Tuned M0 for much better performance (down to 9/32 previous)
This commit is contained in:
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deac93c6f2
commit
8396dc15df
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@ -32,6 +32,7 @@ Corrected behavior when using the web IDE and attempting to set registers that d
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Fixed regression in hex.c caused by refactoring
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Fixed output of large negative numbers in hex
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Updated checksums to reflect changed made in performance tuning
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Fixed M0 performance by a factor of 4
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** Removed
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Removed stage1_assembler-0's need for Memory and reduced size of program while at it
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@ -116,7 +116,7 @@ To build our line macro assembler:
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Now with our new line macro assembler, which with our definition file High_level_prototypes/defs means we can write straight assembly from here on out.
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roms/M0 should have the sha256sum of 2b9727381aec15a504c0898189fbc2344209d8e04451e3fa5d743e08e38f64cf
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roms/M0 should have the sha256sum of 47bc5a29e37bbe4cac31ba612f5e452210b0c4364e529116b9a1c4976912c29d
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* Step 5b Saving a bunch of duplicate work
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Assuming that you have been doing all of the above the hard way on physical hardware with real paper tapes, this step is for you.
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@ -1,7 +1,7 @@
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## Copyright (C) 2016 Jeremiah Orians
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## This file is part of stage0.
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##
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## stage0 is free software: you an redistribute it and/or modify
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## stage0 is free software: you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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@ -16,130 +16,108 @@
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:start
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# ;; We will be using R13 for storage of Head
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# ;; We will be using R14 for our condition codes
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2D2F $stack # LOADUI R15 $stack ; Put stack at end of progra
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2D2E 4000 # LOADUI R14 0x4000 ; Our malloc pointer (Initialized)
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2D2F $stack # LOADUI R15 $stack ; Put stack at end of program
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# ;; Main program
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# ;; Reads contents of Tape_01 and applies all Definitions
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# ;; Writes results to Tape_02
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# ;; Accepts no arguments and HALTS when done
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:main
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# ;; Prep TAPE_01
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2D201100 # LOADUI R0 0x1100
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42100000 # FOPEN_READ
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0D00002D # FALSE R13 ; Head is NULL
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09000510 # MOVE R1 R0 ; Read Tape_01
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0D00002E # FALSE R14 ; We haven't yet reached EOF
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:main_0
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2D0F @Tokenize_Line # CALLI R15 @Tokenize_Line ; Call Tokenize_Line
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2C9E @main_0 # JUMP.Z R14 @main_0 ; Until we reach EOF
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# ;; Done reading File
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2D201100 # LOADUI R0 0x1100 ; Close TAPE_01
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42100002 # FCLOSE
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0900040D # COPY R0 R13 ; Prepare for function
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2D0F @reverse_list # CALLI R15 @reverse_list ; Reverse the list of tokens
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2D0F @Identify_Macros # CALLI R15 @Identify_Macros ; Tag all nodes that are macros
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2D0F @Line_Macro # CALLI R15 @Line_Macro ; Apply macros down nodes
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2D0F @Process_String # CALLI R15 @Process_String ; Convert string values to Hex16
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2D0F @Eval_Immediates # CALLI R15 @Eval_Immediates ; Convert numbers to hex
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2D0F @Preserve_Other # CALLI R15 @Preserve_Other ; Ensure labels/Pointers aren't lost
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# ;; Prep TAPE_02
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2D201101 # LOADUI R0 0x1101
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42100001 # FOPEN_WRITE
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2D0F @Print_Hex # CALLI R15 @Print_Hex ; Write Nodes to Tape_02
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# ;; Done writing File
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2D201101 # LOADUI R0 0x1101 ; Close TAPE_01
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42100002 # FCLOSE
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FFFFFFFF # HALT ; We are Done
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# ;; Primative malloc function
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# ;; Recieves number of bytes to allocate in R0
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# ;; Returns pointer to block of that size in R0
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# ;; Returns to whatever called it
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:malloc
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# ;; Preserve registers
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0902001F # PUSHR R1 R15
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# ;; Get current malloc pointer
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2E01 @malloc_pointer # LOADR R1 @malloc_pointer
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# ;; Deal with special case
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A0310000 # CMPSKIPI.NE R1 0 ; If Zero set to our start of heap space
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2D214000 # LOADUI R1 0x4000
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# ;; update malloc pointer
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09000301 # SWAP R0 R1
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05000101 # ADD R1 R0 R1
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2F01 @malloc_pointer # STORER R1 @malloc_pointer
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# ;; Done
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# ;; Restore registers
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0902801F # POPR R1 R15
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0D01001F # RET R15
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# ;; Our static value for malloc pointer
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:malloc_pointer
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00000000 # NOP
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# ;; Tokenize_Line function
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# ;; Recieves pointer to Head in R0 and desired input in R1
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# ;; Alters R14 when EOF Reached
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# ;; Opens tape_01 and reads into a backwards linked list in R13
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# ;; Returns to whatever called it
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:Tokenize_Line
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# ;; Preserve registers
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0902000F # PUSHR R0 R15
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0902001F # PUSHR R1 R15
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0902002F # PUSHR R2 R15
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0902003F # PUSHR R3 R15
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0902004F # PUSHR R4 R15
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# ;; Initialize
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0900044D # COPY R4 R13 ; Get Head pointer out of the way
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# ;; Prep TAPE_01
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2D201100 # LOADUI R0 0x1100
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42100000 # FOPEN_READ
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0D00002D # FALSE R13 ; Head is NULL
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09000510 # MOVE R1 R0 ; Read Tape_01
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:Tokenize_Line_0
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42100100 # FGETC ; Get a Char
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# ;; Deal with lines comments starting with #
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A0300023 # CMPSKIPI.NE R0 35
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3C00 @Purge_Line_Comment # JUMP @Purge_Line_Comment
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# ;; Deal with Line comments starting with ;
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A030003b # CMPSKIPI.NE R0 59
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3C00 @Purge_Line_Comment # JUMP @Purge_Line_Comment
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# ;; Deal with Tab
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A0300009 # CMPSKIPI.NE R0 9
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3C00 @Tokenize_Line_0 # JUMP @Tokenize_Line_0 ; Throw away byte and try again
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# ;; Deal with New line
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A030000a # CMPSKIPI.NE R0 10
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3C00 @Tokenize_Line_0 # JUMP @Tokenize_Line_0 ; Throw away byte and try again
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# ;; Deal with space characters
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A0300020 # CMPSKIPI.NE R0 32
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3C00 @Tokenize_Line_0 # JUMP @Tokenize_Line_0 ; Throw away byte and try again
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# ;; Flag if reached EOF
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A0100000 # CMPSKIPI.GE R0 0
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0D00003E # TRUE R14
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# ;; Stop if EOF
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A0100000 # CMPSKIPI.GE R0 0
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3C00 @Tokenize_Line_Done # JUMP @Tokenize_Line_Done
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# ;; Allocate a new Node
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09000520 # MOVE R2 R0 ; Get Char out the way
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2D200010 # LOADUI R0 16 ; Allocate 16 Bytes
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2D0F @malloc # CALLI R15 @malloc ; Get address of new Node
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09000320 # SWAP R2 R0 ; Store Pointer in R2
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# ;; Deal with Strings wrapped in ""
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0900042E # COPY R2 R14 ; Get address of new Node
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0FEE0010 # ADDUI R14 R14 16 ; Allocate 16 Bytes
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23E20008 # STORE32 R14 R2 8 ; Set Text pointer
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# ;; Deal with Strings wrapped in \"
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A0300022 # CMPSKIPI.NE R0 34
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3C00 @Store_String # JUMP @Store_String
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# ;; Deal with Strings wrapped in '
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A0300027 # CMPSKIPI.NE R0 39
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3C00 @Store_String # JUMP @Store_String
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# ;; Everything else is an atom store it
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2D0F @Store_Atom # CALLI R15 @Store_Atom
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:Tokenize_Line_1
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23D20000 # STORE32 R13 R2 0 ; Set p->next to head
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090005D2 # MOVE R13 R2 ; Set head to p
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3C00 @Tokenize_Line_0 # JUMP @Tokenize_Line_0 ; Keep getting tokens
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:Tokenize_Line_Done
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09000512 # MOVE R1 R2 ; Put Node pointer we are working on into R1
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0900040D # COPY R0 R13 ; Get current HEAD
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2D0F @Add_Token # CALLI R15 @Add_Token ; Append new token to Head
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# ;; Restore registers
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0902804F # POPR R4 R15
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0902803F # POPR R3 R15
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0902802F # POPR R2 R15
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0902801F # POPR R1 R15
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0902800F # POPR R0 R15
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# ;; Return since we are done
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# ;; Done reading File
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2D201100 # LOADUI R0 0x1100 ; Close TAPE_01
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42100002 # FCLOSE
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0D01001F # RET R15
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# ;; reverse_list Function
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# ;; Reverses the list given in R13
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:reverse_list
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# ;; Initialize
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0900040D # COPY R0 R13 ; Using R0 as head
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0D000021 # FALSE R1 ; Using R1 as root
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# ; Using R2 as next
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:reverse_list_0
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2C90 @reverse_list_done # JUMP.Z R0 @reverse_list_done ; Stop if NULL == head
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13200000 # LOAD R2 R0 0 ; next = head->next
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20100000 # STORE R1 R0 0 ; head->next = root
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09000510 # MOVE R1 R0 ; root = head
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09000502 # MOVE R0 R2 ; head = next
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3C00 @reverse_list_0 # JUMP @reverse_list_0 ; Keep looping
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:reverse_list_done
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# ;; Clean up
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090005D1 # MOVE R13 R1 ; Set token_list to root
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0D01001F # RET R15
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# ;; Modifies node Text to point to string and sets
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# ;; Type to string.
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:Store_String
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# ;; Preserve registers
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0902004F # PUSHR R4 R15
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0902005F # PUSHR R5 R15
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0902006F # PUSHR R6 R15
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# ;; Initialize
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09000560 # MOVE R6 R0 ; Get R0 out of the way
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2D0F @malloc # CALLI R15 @malloc ; Get where space is free
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09000540 # MOVE R4 R0 ; Put pointer someplace safe
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0D000025 # FALSE R5 ; Start at index 0
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09000406 # COPY R0 R6 ; Copy Char back into R0
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# ;; Primary Loop
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09000430 # COPY R3 R0 ; Copy Char for comparison
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:Store_String_0
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05049045 # STOREX8 R0 R4 R5 ; Store the Byte
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210E0000 # STORE8 R0 R14 0 ; Store the Byte
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42100100 # FGETC ; Get next Byte
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0F550001 # ADDUI R5 R5 1 ; Prep for next loop
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C306 @Store_String_0 # CMPJUMPI.NE R0 R6 @Store_String_0 ; Loop if matching not found
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0FEE0001 # ADDUI R14 R14 1 ; Prep for next loop
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C303 @Store_String_0 # CMPJUMPI.NE R0 R3 @Store_String_0 ; Loop if matching not found
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# ;; Clean up
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23420008 # STORE32 R4 R2 8 ; Set Text pointer
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0F050004 # ADDUI R0 R5 4 ; Correct Malloc
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2D0F @malloc # CALLI R15 @malloc ; To the amount of space used
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0FEE0004 # ADDUI R14 R14 4 ; Correct Malloc
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2D200002 # LOADUI R0 2 ; Using type string
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23020004 # STORE32 R0 R2 4 ; Set node type
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# ;; Restore Registers
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0902806F # POPR R6 R15
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0902805F # POPR R5 R15
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0902804F # POPR R4 R15
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3C00 @Tokenize_Line_Done # JUMP @Tokenize_Line_Done
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3C00 @Tokenize_Line_1 # JUMP @Tokenize_Line_1
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# ;; Store_Atom function
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@ -195,74 +160,22 @@ C306 @Store_String_0 # CMPJUMPI.NE R0 R6 @Store_String_0 ; Loop if matching not
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# ;; And node pointer in R2
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# ;; Modifies node Text to point to string
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:Store_Atom
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# ;; Preserve registers
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0902004F # PUSHR R4 R15
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0902005F # PUSHR R5 R15
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# ;; Initialize
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09000550 # MOVE R5 R0 ; Get R0 out of the way
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2D0F @malloc # CALLI R15 @malloc ; Get where space is free
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09000540 # MOVE R4 R0 ; Put pointer someplace safe
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09000505 # MOVE R0 R5 ; Copy Char back and Set index to 0
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# ;; Primary Loop
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:Store_Atom_0
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05049045 # STOREX8 R0 R4 R5 ; Store the Byte
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210E0000 # STORE8 R0 R14 0 ; Store the Byte
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42100100 # FGETC ; Get next Byte
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0F550001 # ADDUI R5 R5 1 ; Prep for next loop
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0FEE0001 # ADDUI R14 R14 1 ; Prep for next loop
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A0300009 # CMPSKIPI.NE R0 9 ; If char is Tab
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3C00 @Store_Atom_Done # JUMP @Store_Atom_Done ; Be done
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A030000a # CMPSKIPI.NE R0 10 ; If char is LF
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3C00 @Store_Atom_Done # JUMP @Store_Atom_Done ; Be done
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A0300020 # CMPSKIPI.NE R0 32 ; If char is Space
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3C00 @Store_Atom_Done # JUMP @Store_Atom_Done ; Be done
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# ;; Otherwise loop
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3C00 @Store_Atom_0 # JUMP @Store_Atom_0
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3C00 @Store_Atom # JUMP @Store_Atom
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:Store_Atom_Done
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# ;; Cleanup
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23420008 # STORE32 R4 R2 8 ; Set Text pointer
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0F050001 # ADDUI R0 R5 1 ; Correct Malloc
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2D0F @malloc # CALLI R15 @malloc ; To the amount of space used
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# ;; Restore Registers
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0902805F # POPR R5 R15
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0902804F # POPR R4 R15
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0D01001F # RET R15
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# ;; Add_Token Function
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# ;; Recieves pointers in R0 R1
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# ;; Alters R13 if R) is NULL
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# ;; Appends nodes together
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# ;; Returns to whatever called it
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:Add_Token
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# ;; Preserve Registers
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0902002F # PUSHR R2 R15
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0902001F # PUSHR R1 R15
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0902000F # PUSHR R0 R15
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# ;; Handle if Head is NULL
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2CA0 @Add_Token_0 # JUMP.NZ R0 @Add_Token_0
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090004D1 # COPY R13 R1 ; Fix head
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0902800F # POPR R0 R15 ; Clean up register
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0902001F # PUSHR R1 R15 ; And act like we passed the reverse
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3C00 @Add_Token_2 # JUMP @Add_Token_2
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:Add_Token_0
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# ;; Handle if Head->next is NULL
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18200000 # LOAD32 R2 R0 0
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2CA2 @Add_Token_1 # JUMP.NZ R2 @Add_Token_1
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# ;; Set head->next = p
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23100000 # STORE32 R1 R0 0
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3C00 @Add_Token_2 # JUMP @Add_Token_2
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:Add_Token_1
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# ;; Handle case of Head->next not being NULL
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18000000 # LOAD32 R0 R0 0 ; Move to next node
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18200000 # LOAD32 R2 R0 0 ; Get node->next
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A0220000 # CMPSKIPI.E R2 0 ; If it is not null
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3C00 @Add_Token_1 # JUMP @Add_Token_1 ; Move to the next node and try again
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3C00 @Add_Token_0 # JUMP @Add_Token_0 ; Else simply act as if we got this node
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# ; in the first place
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:Add_Token_2
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# ;; Restore registers
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0902800F # POPR R0 R15
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0902801F # POPR R1 R15
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0902802F # POPR R2 R15
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0FEE0001 # ADDUI R14 R14 1 ; Correct Malloc
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0D01001F # RET R15
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@ -273,94 +186,87 @@ A0220000 # CMPSKIPI.E R2 0 ; If it is not null
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# ;; Returns to whatever called it
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:strcmp
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# ;; Preserve registers
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0902001F # PUSHR R1 R15
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0902002F # PUSHR R2 R15
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0902003F # PUSHR R3 R15
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0902004F # PUSHR R4 R15
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# ;; Setup registers
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09000520 # MOVE R2 R0 ; Put R0 in a safe place
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09000531 # MOVE R3 R1 ; Put R1 in a safe place
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2D240000 # LOADUI R4 0 ; Starting at index 0
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0D000024 # FALSE R4 ; Starting at index 0
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:cmpbyte
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0503A024 # LOADXU8 R0 R2 R4 ; Get a byte of our first string
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0503A134 # LOADXU8 R1 R3 R4 ; Get a byte of our second string
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0F440001 # ADDUI R4 R4 1 ; Prep for next loop
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05004101 # CMP R1 R0 R1 ; Compare the bytes
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A0200000 # CMPSKIPI.E R0 0 ; Stop if byte is NULL
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2C51 @cmpbyte # JUMP.E R1 @cmpbyte ; Loop if bytes are equal
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05004001 # CMP R0 R0 R1 ; Compare the bytes
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A0210000 # CMPSKIPI.E R1 0 ; Stop if byte is NULL
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2C50 @cmpbyte # JUMP.E R0 @cmpbyte ; Loop if bytes are equal
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# ;; Done
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09000501 # MOVE R0 R1 ; Prepare for return
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# ;; Restore registers
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0902804F # POPR R4 R15
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0902803F # POPR R3 R15
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0902802F # POPR R2 R15
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0902801F # POPR R1 R15
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0D01001F # RET R15
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# ;; Identify_Macros Function
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# ;; Recieves a pointer to a node in R0
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# ;; If the text stored in its Text segment matches
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# ;; DEFINE, flag it and Collapse it down to a single Node
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# ;; Loop until all nodes are checked
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# ;; Return to whatever called it
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:Identify_Macros
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# ;; Preserve Registers
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0902000F # PUSHR R0 R15
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0902001F # PUSHR R1 R15
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0902002F # PUSHR R2 R15
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0902003F # PUSHR R3 R15
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# ;; Initializ
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2D2101d0 # LOADUI R1 $Identify_Macros_string
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0900042D # COPY R2 R13 ; i = head
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# ;; Main Loop
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:Identify_Macros_0
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09000520 # MOVE R2 R0
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18120008 # LOAD32 R1 R2 8 ; Get Pointer to Text
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2D20 $Identify_Macros_string # LOADUI R0 $Identify_Macros_string
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18020008 # LOAD32 R0 R2 8 ; Get Pointer to Text
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2D0F @strcmp # CALLI R15 @strcmp
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09000512 # MOVE R1 R2
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2C60 @Identify_Macros_1 # JUMP.NE R0 @Identify_Macros_1
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# ;; It is a definition
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# ;; Set p->Type = macro
|
||||
# ;; Set i->Type = macro
|
||||
2D200001 # LOADUI R0 1 ; The Enum value for macro
|
||||
23010004 # STORE32 R0 R1 4 ; Set node type
|
||||
# ;; Set p->Text = p->Next->Text
|
||||
18210000 # LOAD32 R2 R1 0 ; Get Next
|
||||
18020008 # LOAD32 R0 R2 8 ; Get Next->Text
|
||||
23010008 # STORE32 R0 R1 8 ; Set Text = Next->Text
|
||||
# ;; Set p->Expression = p->next->next->Text
|
||||
18220000 # LOAD32 R2 R2 0 ; Get Next->Next
|
||||
18020008 # LOAD32 R0 R2 8 ; Get Next->Next->Text
|
||||
18320004 # LOAD32 R3 R2 4 ; Get Next->Next->type
|
||||
23020004 # STORE32 R0 R2 4 ; Set node type
|
||||
|
||||
# ;; Set i->Text = i->Next->Text
|
||||
18420000 # LOAD32 R4 R2 0 ; Get Next
|
||||
18040008 # LOAD32 R0 R4 8 ; Get Next->Text
|
||||
23020008 # STORE32 R0 R2 8 ; Set i->Text = Next->Text
|
||||
|
||||
# ;; Set i->Expression = i->next->next->Text
|
||||
18440000 # LOAD32 R4 R4 0 ; Get Next->Next
|
||||
18040008 # LOAD32 R0 R4 8 ; Get Next->Next->Text
|
||||
18340004 # LOAD32 R3 R4 4 ; Get Next->Next->type
|
||||
A0330002 # CMPSKIPI.NE R3 2 ; If node is a string
|
||||
0F000001 # ADDUI R0 R0 1 ; Skip first char
|
||||
2301000c # STORE32 R0 R1 12 ; Set Expression = Next->Next->Text
|
||||
# ;; Set p->Next = p->Next->Next->Next
|
||||
18020000 # LOAD32 R0 R2 0 ; Get Next->Next->Next
|
||||
23010000 # STORE32 R0 R1 0 ; Set Next = Next->Next->Next
|
||||
2302000c # STORE32 R0 R2 12 ; Set Expression = Next->Next->Text
|
||||
|
||||
# ;; Set i->Next = i->Next->Next->Next
|
||||
18440000 # LOAD32 R4 R4 0 ; Get Next->Next->Next
|
||||
23420000 # STORE32 R4 R2 0 ; Set i->Next = Next->Next->Next
|
||||
|
||||
:Identify_Macros_1
|
||||
18010000 # LOAD32 R0 R1 0 ; Get node->next
|
||||
A0300000 # CMPSKIPI.NE R0 0 ; If node->next is NULL
|
||||
3C00 @Identify_Macros_Done # JUMP @Identify_Macros_Done ; Be done
|
||||
# ;; Otherwise keep looping
|
||||
3C00 @Identify_Macros_0 # JUMP @Identify_Macros_0
|
||||
:Identify_Macros_Done
|
||||
# ;; Restore registers
|
||||
0902803F # POPR R3 R15
|
||||
0902802F # POPR R2 R15
|
||||
0902801F # POPR R1 R15
|
||||
0902800F # POPR R0 R15
|
||||
18220000 # LOAD32 R2 R2 0 ; Get node->next
|
||||
2CA2 @Identify_Macros_0 # JUMP.NZ R2 @Identify_Macros_0 ; Loop if i not NULL
|
||||
0D01001F # RET R15
|
||||
|
||||
:Identify_Macros_string
|
||||
444546494E450000 # "DEFINE"
|
||||
444546494E450000 # "DEFINE" ;; Line_Macro Function
|
||||
|
||||
|
||||
# ;; Line_Macro Function
|
||||
# ;; Recieves a node pointer in R0
|
||||
# ;; Causes macros to be applied
|
||||
# ;; Returns to whatever called it
|
||||
:Line_Macro
|
||||
# ;; Preserve Registers
|
||||
0902000F # PUSHR R0 R15
|
||||
0902001F # PUSHR R1 R15
|
||||
0902002F # PUSHR R2 R15
|
||||
0902003F # PUSHR R3 R15
|
||||
# ;; Initialize
|
||||
0900040D # COPY R0 R13 ; Start with Head
|
||||
|
||||
# ;; Main loop
|
||||
:Line_Macro_0
|
||||
18300004 # LOAD32 R3 R0 4 ; Load Node type
|
||||
|
@ -369,13 +275,7 @@ A0300000 # CMPSKIPI.NE R0 0 ; If node->next is NULL
|
|||
18000000 # LOAD32 R0 R0 0 ; Load Next pointer
|
||||
A0330001 # CMPSKIPI.NE R3 1 ; If a macro
|
||||
2D0F @setExpression # CALLI R15 @setExpression ; Apply to other nodes
|
||||
A0200000 # CMPSKIPI.E R0 0 ; If Next is Null
|
||||
3C00 @Line_Macro_0 # JUMP @Line_Macro_0 ; Don't loop
|
||||
# ;; Clean up
|
||||
0902803F # POPR R3 R15
|
||||
0902802F # POPR R2 R15
|
||||
0902801F # POPR R1 R15
|
||||
0902800F # POPR R0 R15
|
||||
2CA0 @Line_Macro_0 # JUMP.NZ R0 @Line_Macro_0 ; If Next is Null Don't loop
|
||||
0D01001F # RET R15
|
||||
|
||||
|
||||
|
@ -388,29 +288,25 @@ A0200000 # CMPSKIPI.E R0 0 ; If Next is Null
|
|||
:setExpression
|
||||
# ;; Preserve registers
|
||||
0902000F # PUSHR R0 R15
|
||||
0902003F # PUSHR R3 R15
|
||||
0902004F # PUSHR R4 R15
|
||||
0902005F # PUSHR R5 R15
|
||||
|
||||
# ;; Initialize
|
||||
09000541 # MOVE R4 R1 ; Put Macro Text in a safe place
|
||||
09000450 # COPY R5 R0 ; Use R5 for Node pointer
|
||||
09000440 # COPY R4 R0 ; Use R4 for Node pointer
|
||||
|
||||
:setExpression_0
|
||||
18350004 # LOAD32 R3 R5 4 ; Load type into R3
|
||||
18340004 # LOAD32 R3 R4 4 ; Load type into R3
|
||||
A0330001 # CMPSKIPI.NE R3 1 ; Check if Macro
|
||||
3C00 @setExpression_1 # JUMP @setExpression_1 ; Move to next if Macro
|
||||
18050008 # LOAD32 R0 R5 8 ; Load Text pointer into R0 for Comparision
|
||||
09000414 # COPY R1 R4 ; Put Macro Text for comparision
|
||||
18040008 # LOAD32 R0 R4 8 ; Load Text pointer into R0 for Comparision
|
||||
2D0F @strcmp # CALLI R15 @strcmp ; compare Text and Macro Text
|
||||
2C60 @setExpression_1 # JUMP.NE R0 @setExpression_1 ; Move to next if not Match
|
||||
2325000c # STORE32 R2 R5 12 ; Set node->Expression = Exp
|
||||
2324000c # STORE32 R2 R4 12 ; Set node->Expression = Exp
|
||||
|
||||
:setExpression_1
|
||||
18550000 # LOAD32 R5 R5 0 ; Load Next
|
||||
2CA5 @setExpression_0 # JUMP.NZ R5 @setExpression_0 ; Loop if next isn't NULL
|
||||
18440000 # LOAD32 R4 R4 0 ; Load Next
|
||||
2CA4 @setExpression_0 # JUMP.NZ R4 @setExpression_0 ; Loop if next isn't NULL
|
||||
|
||||
:setExpression_Done
|
||||
# ;; Restore registers
|
||||
0902805F # POPR R5 R15
|
||||
0902804F # POPR R4 R15
|
||||
0902803F # POPR R3 R15
|
||||
0902800F # POPR R0 R15
|
||||
0D01001F # RET R15
|
||||
|
||||
|
@ -420,36 +316,35 @@ A0330001 # CMPSKIPI.NE R3 1 ; Check if Macro
|
|||
# ;; Doesn't modify registers
|
||||
# ;; Returns back to whatever called it
|
||||
:Process_String
|
||||
# ;; Preserve Registers
|
||||
0902000F # PUSHR R0 R15
|
||||
0902001F # PUSHR R1 R15
|
||||
0902002F # PUSHR R2 R15
|
||||
# ;; Initialize
|
||||
0900040D # COPY R0 R13 ; Start with Head
|
||||
|
||||
:Process_String_0
|
||||
# ;; Get node type
|
||||
18100004 # LOAD32 R1 R0 4 ; Load Type
|
||||
A0210002 # CMPSKIPI.E R1 2 ; If not a string
|
||||
3C00 @Process_String_Done # JUMP @Process_String_Done ; Just go to next
|
||||
|
||||
# ;; Its a string
|
||||
18100008 # LOAD32 R1 R0 8 ; Get Text pointer
|
||||
14210000 # LOAD8 R2 R1 0 ; Get first char of Text
|
||||
|
||||
# ;; Deal with '
|
||||
A0220027 # CMPSKIPI.E R2 39 ; If char is not '
|
||||
3C00 @Process_String_1 # JUMP @Process_String_1 ; Move to next label
|
||||
|
||||
# ;; Simply use Hex strings as is
|
||||
0F110001 # ADDUI R1 R1 1 ; Move Text pointer by 1
|
||||
2310000c # STORE32 R1 R0 12 ; Set expression to Text + 1
|
||||
3C00 @Process_String_Done # JUMP @Process_String_Done ; And move on
|
||||
|
||||
:Process_String_1
|
||||
# ;; Deal with ""
|
||||
# ;; Deal with \"
|
||||
2D0F @Hexify_String # CALLI R15 @Hexify_String
|
||||
|
||||
:Process_String_Done
|
||||
18000000 # LOAD32 R0 R0 0 ; Load Next
|
||||
A0200000 # CMPSKIPI.E R0 0 ; If Next isn't NULL
|
||||
3C00 @Process_String_0 # JUMP @Process_String_0 ; Recurse down list
|
||||
# ;; Restore registers
|
||||
0902802F # POPR R2 R15
|
||||
0902801F # POPR R1 R15
|
||||
0902800F # POPR R0 R15
|
||||
2CA0 @Process_String_0 # JUMP.NZ R0 @Process_String_0 ; If Next isn't NULL Recurse down list
|
||||
0D01001F # RET R15
|
||||
|
||||
|
||||
|
@ -462,43 +357,31 @@ A0200000 # CMPSKIPI.E R0 0 ; If Next isn't NULL
|
|||
:Hexify_String
|
||||
# ;; Preserve Registers
|
||||
0902000F # PUSHR R0 R15
|
||||
0902001F # PUSHR R1 R15
|
||||
0902002F # PUSHR R2 R15
|
||||
0902003F # PUSHR R3 R15
|
||||
0902004F # PUSHR R4 R15
|
||||
|
||||
# ;; Initialize
|
||||
09000520 # MOVE R2 R0 ; Move R0 out of the way
|
||||
2D0F @malloc # CALLI R15 @malloc ; Get address of new Node
|
||||
09000510 # MOVE R1 R0 ; Prep For Hex32
|
||||
2312000c # STORE32 R1 R2 12 ; Set node expression pointer
|
||||
18220008 # LOAD32 R2 R2 8 ; Load Text pointer into R2
|
||||
0F220001 # ADDUI R2 R2 1 ; SKip leading ""
|
||||
0D000024 # FALSE R4 ; Set counter for malloc to Zero
|
||||
09000510 # MOVE R1 R0 ; Move R0 out of the way
|
||||
23E1000c # STORE32 R14 R1 12 ; Set node expression pointer
|
||||
18110008 # LOAD32 R1 R1 8 ; Load Text pointer into R2
|
||||
0F110001 # ADDUI R1 R1 1 ; SKip leading \"
|
||||
|
||||
# ;; Main Loop
|
||||
:Hexify_String_0
|
||||
18020000 # LOAD32 R0 R2 0 ; Load 4 bytes into R0 from Text
|
||||
B03000ff # ANDI R3 R0 0xFF ; Preserve byte to check for NULL
|
||||
18010000 # LOAD32 R0 R1 0 ; Load 4 bytes into R0 from Text
|
||||
B02000ff # ANDI R2 R0 0xFF ; Preserve byte to check for NULL
|
||||
2D0F @hex32 # CALLI R15 @hex32 ; Convert to hex and store in Expression
|
||||
0F220004 # ADDUI R2 R2 4 ; Pointer Text pointer to next 4 bytes
|
||||
0F440008 # ADDUI R4 R4 8 ; Increment storage space required
|
||||
A0230000 # CMPSKIPI.E R3 0 ; If byte was NULL
|
||||
3C00 @Hexify_String_0 # JUMP @Hexify_String_0
|
||||
0F110004 # ADDUI R1 R1 4 ; Pointer Text pointer to next 4 bytes
|
||||
2CA2 @Hexify_String_0 # JUMP.NZ R2 @Hexify_String_0
|
||||
|
||||
# ;; Done
|
||||
0F040001 # ADDUI R0 R4 1 ; Lead space for NULL terminator
|
||||
2D0F @malloc # CALLI R15 @malloc ; Correct malloc value
|
||||
# ;; Restore Registers
|
||||
0902804F # POPR R4 R15
|
||||
0902803F # POPR R3 R15
|
||||
0902802F # POPR R2 R15
|
||||
0902801F # POPR R1 R15
|
||||
0FEE0001 # ADDUI R14 R14 1 ; Correct malloc value
|
||||
0902800F # POPR R0 R15
|
||||
0D01001F # RET R15
|
||||
|
||||
|
||||
# ;; hex32 functionality
|
||||
# ;; Accepts 32bit value in R0
|
||||
# ;; Require R1 to be a pointer to place to store hex16
|
||||
# ;; WILL ALTER R1 !
|
||||
# ;; Require R14 to be the heap pointer
|
||||
# ;; WILL ALTER R14 !
|
||||
# ;; Returns to whatever called it
|
||||
:hex32
|
||||
0902000F # PUSHR R0 R15
|
||||
|
@ -516,12 +399,12 @@ A0230000 # CMPSKIPI.E R3 0 ; If byte was NULL
|
|||
2D0F @hex4 # CALLI R15 @hex4
|
||||
0902800F # POPR R0 R15
|
||||
:hex4
|
||||
B000000f # ANDI R0 R0 0x000F ; isolate nybble
|
||||
B000000f # ANDI R0 R0 0xF ; isolate nybble
|
||||
0F000030 # ADDUI R0 R0 48 ; convert to ascii
|
||||
A0400039 # CMPSKIPI.LE R0 57 ; If nybble was greater than '9'
|
||||
0F000007 # ADDUI R0 R0 7 ; Shift it into 'A' range of ascii
|
||||
21010000 # STORE8 R0 R1 0 ; Store Hex Char
|
||||
0F110001 # ADDUI R1 R1 1 ; Increment address pointer
|
||||
210E0000 # STORE8 R0 R14 0 ; Store Hex Char
|
||||
0FEE0001 # ADDUI R14 R14 1 ; Increment address pointer
|
||||
0D01001F # RET R15 ; Get next nybble or return if done
|
||||
|
||||
|
||||
|
@ -530,52 +413,29 @@ A0400039 # CMPSKIPI.LE R0 57 ; If nybble was greater than '9'
|
|||
# ;; Converts number into Hex
|
||||
# ;; And write into Memory and fix pointer
|
||||
:Eval_Immediates
|
||||
# ;; Preserve Registers
|
||||
0902000F # PUSHR R0 R15
|
||||
0902001F # PUSHR R1 R15
|
||||
0902002F # PUSHR R2 R15
|
||||
0902003F # PUSHR R3 R15
|
||||
0902004F # PUSHR R4 R15
|
||||
0902005F # PUSHR R5 R15
|
||||
0902006F # PUSHR R6 R15
|
||||
# ;; Initialize
|
||||
0900040D # COPY R0 R13 ; Start with Head
|
||||
0D000025 # FALSE R5 ; Zero for checking return of numerate_string
|
||||
0900043D # COPY R3 R13 ; Start with Head
|
||||
|
||||
# ;; Process Text
|
||||
:Eval_Immediates_0
|
||||
09000460 # COPY R6 R0 ; Safely preserve pointer to node
|
||||
18400000 # LOAD32 R4 R0 0 ; Load Node->Next
|
||||
18300004 # LOAD32 R3 R0 4 ; Load Node type
|
||||
1820000c # LOAD32 R2 R0 12 ; Load Expression pointer
|
||||
18100008 # LOAD32 R1 R0 8 ; Load Text pointer
|
||||
2CA2 @Eval_Immediates_1 # JUMP.NZ R2 @Eval_Immediates_1 ; Don't do anything if Expression is set
|
||||
2CA3 @Eval_Immediates_1 # JUMP.NZ R3 @Eval_Immediates_1 ; Don't do anything if Typed
|
||||
09000401 # COPY R0 R1 ; Put Text pointer into R0
|
||||
18230000 # LOAD32 R2 R3 0 ; Load Node->Next
|
||||
1803000c # LOAD32 R0 R3 12 ; Load Expression pointer
|
||||
2CA0 @Eval_Immediates_1 # JUMP.NZ R0 @Eval_Immediates_1 ; Don't do anything if Expression is set
|
||||
18030004 # LOAD32 R0 R3 4 ; Load Node type
|
||||
2CA0 @Eval_Immediates_1 # JUMP.NZ R0 @Eval_Immediates_1 ; Don't do anything if Typed
|
||||
18030008 # LOAD32 R0 R3 8 ; Load Text pointer
|
||||
14100000 # LOAD8 R1 R0 0 ; Get first char of Text
|
||||
2D0F @numerate_string # CALLI R15 @numerate_string ; Convert to number in R0
|
||||
14110000 # LOAD8 R1 R1 0 ; Get first char of Text
|
||||
A0210030 # CMPSKIPI.E R1 48 ; Skip next comparision if '0'
|
||||
C205 @Eval_Immediates_1 # CMPJUMPI.E R0 R5 @Eval_Immediates_1 ; Don't do anything if string isn't a number
|
||||
09000510 # MOVE R1 R0 ; Preserve number
|
||||
2D200005 # LOADUI R0 5 ; Allocate enough space for 4 hex and a null
|
||||
2D0F @malloc # CALLI R15 @malloc ; Obtain the pointer the newly allocated Expression
|
||||
2006000c # STORE R0 R6 12 ; Preserve pointer to expression
|
||||
09000301 # SWAP R0 R1 ; Fix order for call to hex16
|
||||
2C90 @Eval_Immediates_1 # JUMP.Z R0 @Eval_Immediates_1 ; Don't do anything if string isn't a number
|
||||
20E3000c # STORE R14 R3 12 ; Preserve pointer to expression
|
||||
2D0F @hex16 # CALLI R15 @hex16 ; Shove our number into expression
|
||||
0FEE0001 # ADDUI R14 R14 1 ; Allocate enough space for a null
|
||||
|
||||
# ;; Handle looping
|
||||
:Eval_Immediates_1
|
||||
C245 @Eval_Immediates_2 # CMPJUMPI.E R4 R5 @Eval_Immediates_2 ; If null be done
|
||||
09000504 # MOVE R0 R4 ; Prepare for next loop
|
||||
3C00 @Eval_Immediates_0 # JUMP @Eval_Immediates_0 ; And loop
|
||||
# ;; Clean up
|
||||
:Eval_Immediates_2
|
||||
# ;; Restore Registers
|
||||
0902806F # POPR R6 R15
|
||||
0902805F # POPR R5 R15
|
||||
0902804F # POPR R4 R15
|
||||
0902803F # POPR R3 R15
|
||||
0902802F # POPR R2 R15
|
||||
0902801F # POPR R1 R15
|
||||
0902800F # POPR R0 R15
|
||||
09000532 # MOVE R3 R2 ; Prepare for next loop
|
||||
2CA3 @Eval_Immediates_0 # JUMP.NZ R3 @Eval_Immediates_0 ; And loop
|
||||
0D01001F # RET R15
|
||||
|
||||
|
||||
|
@ -589,6 +449,7 @@ C245 @Eval_Immediates_2 # CMPJUMPI.E R4 R5 @Eval_Immediates_2 ; If null be done
|
|||
0902002F # PUSHR R2 R15
|
||||
0902003F # PUSHR R3 R15
|
||||
0902004F # PUSHR R4 R15
|
||||
|
||||
# ;; Initialize
|
||||
09000510 # MOVE R1 R0 ; Get Text pointer out of the way
|
||||
0D000022 # FALSE R2 ; Set Negative flag to false
|
||||
|
@ -596,6 +457,7 @@ C245 @Eval_Immediates_2 # CMPJUMPI.E R4 R5 @Eval_Immediates_2 ; If null be done
|
|||
14010001 # LOAD8 R0 R1 1 ; Get second byte
|
||||
A0300078 # CMPSKIPI.NE R0 120 ; If the second byte is x
|
||||
3C00 @numerate_string_hex # JUMP @numerate_string_hex ; treat string like hex
|
||||
|
||||
# ;; Deal with Decimal input
|
||||
2D24000a # LOADUI R4 10 ; Multiply by 10
|
||||
14010000 # LOAD8 R0 R1 0 ; Get a byte
|
||||
|
@ -603,6 +465,7 @@ A030002d # CMPSKIPI.NE R0 45 ; If - toggle flag
|
|||
0D000032 # TRUE R2 ; So that we know to negate
|
||||
A0220000 # CMPSKIPI.E R2 0 ; If toggled
|
||||
0F110001 # ADDUI R1 R1 1 ; Move to next
|
||||
|
||||
:numerate_string_dec
|
||||
14010000 # LOAD8 R0 R1 0 ; Get a byte
|
||||
A0300000 # CMPSKIPI.NE R0 0 ; If NULL
|
||||
|
@ -616,16 +479,17 @@ A050000a # CMPSKIPI.L R0 10 ; If more than a number
|
|||
05001330 # ADDU R3 R3 R0 ; Don't add to the count
|
||||
0F110001 # ADDUI R1 R1 1 ; Move onto next byte
|
||||
3C00 @numerate_string_dec # JUMP @numerate_string_dec
|
||||
|
||||
# ;; Deal with Hex input
|
||||
:numerate_string_hex
|
||||
14010000 # LOAD8 R0 R1 0 ; Get a byte
|
||||
A0200030 # CMPSKIPI.E R0 48 ; All hex strings start with 0x
|
||||
3C00 @numerate_string_done # JUMP @numerate_string_done ; Be done if not a match
|
||||
0F110002 # ADDUI R1 R1 2 ; Move to after leading 0x
|
||||
|
||||
:numerate_string_hex_0
|
||||
14010000 # LOAD8 R0 R1 0 ; Get a byte
|
||||
A0300000 # CMPSKIPI.NE R0 0 ; If NULL
|
||||
3C00 @numerate_string_done # JUMP @numerate_string_done ; Be done
|
||||
2C90 @numerate_string_done # JUMP.Z R0 @numerate_string_done ; If NULL Be done
|
||||
2D530004 # SL0I R3 4 ; Shift counter by 16
|
||||
10000030 # SUBI R0 R0 48 ; Convert ascii number to number
|
||||
A050000a # CMPSKIPI.L R0 10 ; If A-F
|
||||
|
@ -635,11 +499,13 @@ A0500010 # CMPSKIPI.L R0 16 ; If a-f
|
|||
05001330 # ADDU R3 R3 R0 ; Add to the count
|
||||
0F110001 # ADDUI R1 R1 1 ; Get next Hex
|
||||
3C00 @numerate_string_hex_0 # JUMP @numerate_string_hex_0
|
||||
|
||||
# ;; Clean up
|
||||
:numerate_string_done
|
||||
A0220000 # CMPSKIPI.E R2 0 ; If Negate flag has been set
|
||||
09000033 # NEG R3 R3 ; Make the number negative
|
||||
09000503 # MOVE R0 R3 ; Put number in R0
|
||||
|
||||
# ;; Restore Registers
|
||||
0902804F # POPR R4 R15
|
||||
0902803F # POPR R3 R15
|
||||
|
@ -652,35 +518,23 @@ A0220000 # CMPSKIPI.E R2 0 ; If Negate flag has been set
|
|||
# ;; Sets Expression pointer to Text pointer value
|
||||
# ;; For all unset nodes
|
||||
:Preserve_Other
|
||||
# ;; Preserve Registers
|
||||
0902000F # PUSHR R0 R15
|
||||
0902001F # PUSHR R1 R15
|
||||
0902002F # PUSHR R2 R15
|
||||
0902003F # PUSHR R3 R15
|
||||
0902004F # PUSHR R4 R15
|
||||
# ;; Initialize
|
||||
0900040D # COPY R0 R13 ; Start with HEAD
|
||||
|
||||
# ;; Process Node
|
||||
:Preserve_Other_0
|
||||
18400000 # LOAD32 R4 R0 0 ; Load Node->Next
|
||||
18300004 # LOAD32 R3 R0 4 ; Load Node type
|
||||
1820000c # LOAD32 R2 R0 12 ; Load Expression pointer
|
||||
18200000 # LOAD32 R2 R0 0 ; Load Node->Next
|
||||
18100004 # LOAD32 R1 R0 4 ; Load Node type
|
||||
2CA1 @Preserve_Other_1 # JUMP.NZ R1 @Preserve_Other_1 ; Don't do anything if Typed
|
||||
1810000c # LOAD32 R1 R0 12 ; Load Expression pointer
|
||||
2CA1 @Preserve_Other_1 # JUMP.NZ R1 @Preserve_Other_1 ; Don't do anything if Expression is set
|
||||
18100008 # LOAD32 R1 R0 8 ; Load Text pointer
|
||||
2CA2 @Preserve_Other_1 # JUMP.NZ R2 @Preserve_Other_1 ; Don't do anything if Expression is set
|
||||
2CA3 @Preserve_Other_1 # JUMP.NZ R3 @Preserve_Other_1 ; Don't do anything if Typed
|
||||
2310000c # STORE32 R1 R0 12 ; Set Expression pointer to Text pointer
|
||||
|
||||
# ;; Loop through nodes
|
||||
:Preserve_Other_1
|
||||
09000504 # MOVE R0 R4 ; Prepare for next loop
|
||||
09000502 # MOVE R0 R2 ; Prepare for next loop
|
||||
2CA0 @Preserve_Other_0 # JUMP.NZ R0 @Preserve_Other_0
|
||||
# ;; Clean up
|
||||
:Preserve_Other_Done
|
||||
# ;; Restore Registers
|
||||
0902804F # POPR R4 R15
|
||||
0902803F # POPR R3 R15
|
||||
0902802F # POPR R2 R15
|
||||
0902801F # POPR R1 R15
|
||||
0902800F # POPR R0 R15
|
||||
0D01001F # RET R15
|
||||
|
||||
|
||||
|
@ -688,34 +542,30 @@ A0220000 # CMPSKIPI.E R2 0 ; If Negate flag has been set
|
|||
# ;; Print all of the expressions
|
||||
# ;; Starting with HEAD
|
||||
:Print_Hex
|
||||
# ;; Preserve Registers
|
||||
0902000F # PUSHR R0 R15
|
||||
0902001F # PUSHR R1 R15
|
||||
0902002F # PUSHR R2 R15
|
||||
0902003F # PUSHR R3 R15
|
||||
0902004F # PUSHR R4 R15
|
||||
# ;; Prep TAPE_02
|
||||
2D201101 # LOADUI R0 0x1101
|
||||
42100001 # FOPEN_WRITE
|
||||
|
||||
# ;; Initialize
|
||||
0900040D # COPY R0 R13 ; Start with HEAD
|
||||
2D211101 # LOADUI R1 0x1101 ; Write to Tape_02
|
||||
|
||||
:Print_Hex_0
|
||||
18200000 # LOAD32 R2 R0 0 ; Load Node->Next
|
||||
18100004 # LOAD32 R1 R0 4 ; Load Node type
|
||||
18300004 # LOAD32 R3 R0 4 ; Load Node type
|
||||
1800000c # LOAD32 R0 R0 12 ; Load Expression pointer
|
||||
10110001 # SUBI R1 R1 1 ; Check for Macros
|
||||
2C91 @Print_Hex_1 # JUMP.Z R1 @Print_Hex_1 ; Don't print Macros
|
||||
2D211101 # LOADUI R1 0x1101 ; Write to Tape_02
|
||||
10330001 # SUBI R3 R3 1 ; Check for Macros
|
||||
2C93 @Print_Hex_1 # JUMP.Z R3 @Print_Hex_1 ; Don't print Macros
|
||||
2D0F @Print_Line # CALLI R15 @Print_Line ; Print the Expression
|
||||
|
||||
# ;; Loop down the nodes
|
||||
:Print_Hex_1
|
||||
09000502 # MOVE R0 R2 ; Prepare for next loop
|
||||
2CA0 @Print_Hex_0 # JUMP.NZ R0 @Print_Hex_0 ; Keep looping if not NULL
|
||||
# ;; Clean up
|
||||
:Print_Hex_Done
|
||||
# ;; Restore Registers
|
||||
0902804F # POPR R4 R15
|
||||
0902803F # POPR R3 R15
|
||||
0902802F # POPR R2 R15
|
||||
0902801F # POPR R1 R15
|
||||
0902800F # POPR R0 R15
|
||||
|
||||
# ;; Done writing File
|
||||
2D201101 # LOADUI R0 0x1101 ; Close TAPE_01
|
||||
42100002 # FCLOSE
|
||||
0D01001F # RET R15
|
||||
|
||||
|
||||
|
@ -725,32 +575,21 @@ A0220000 # CMPSKIPI.E R2 0 ; If Negate flag has been set
|
|||
# ;; Writes all Chars in string
|
||||
# ;; Then writes a New line character to interface
|
||||
:Print_Line
|
||||
# ;; Preserve Registers
|
||||
0902000F # PUSHR R0 R15
|
||||
0902001F # PUSHR R1 R15
|
||||
0902002F # PUSHR R2 R15
|
||||
0902003F # PUSHR R3 R15
|
||||
0902004F # PUSHR R4 R15
|
||||
# ;; Initialize
|
||||
09000530 # MOVE R3 R0 ; Get Pointer safely out of the way
|
||||
0D000024 # FALSE R4 ; Start index at 0
|
||||
|
||||
:Print_Line_0
|
||||
0503A034 # LOADXU8 R0 R3 R4 ; Get our first byte
|
||||
15030000 # LOADU8 R0 R3 0 ; Get our first byte
|
||||
A0300000 # CMPSKIPI.NE R0 0 ; If the loaded byte is NULL
|
||||
3C00 @Print_Line_Done # JUMP @Print_Line_Done ; Be done
|
||||
42100200 # FPUTC ; Otherwise print
|
||||
0F440001 # ADDUI R4 R4 1 ; Increment for next loop
|
||||
0F330001 # ADDUI R3 R3 1 ; Increment for next loop
|
||||
3C00 @Print_Line_0 # JUMP @Print_Line_0 ; And Loop
|
||||
|
||||
# ;; Clean up
|
||||
:Print_Line_Done
|
||||
2D20000a # LOADUI R0 10 ; Put in Newline char
|
||||
42100200 # FPUTC ; Write it out
|
||||
# ;; Restore Registers
|
||||
0902804F # POPR R4 R15
|
||||
0902803F # POPR R3 R15
|
||||
0902802F # POPR R2 R15
|
||||
0902801F # POPR R1 R15
|
||||
0902800F # POPR R0 R15
|
||||
0D01001F # RET R15
|
||||
|
||||
# ;; Where we are putting the start of our stack
|
||||
|
|
|
@ -16,7 +16,7 @@
|
|||
|
||||
:start
|
||||
;; We will be using R13 for storage of Head
|
||||
;; We will be using R14 for our condition codes
|
||||
LOADUI R14 0x4000 ; Our malloc pointer (Initialized)
|
||||
LOADUI R15 $stack ; Put stack at end of program
|
||||
|
||||
;; Main program
|
||||
|
@ -24,81 +24,28 @@
|
|||
;; Writes results to Tape_02
|
||||
;; Accepts no arguments and HALTS when done
|
||||
:main
|
||||
CALLI R15 @Tokenize_Line ; Call Tokenize_Line
|
||||
CALLI R15 @reverse_list ; Reverse the list of tokens
|
||||
CALLI R15 @Identify_Macros ; Tag all nodes that are macros
|
||||
CALLI R15 @Line_Macro ; Apply macros down nodes
|
||||
CALLI R15 @Process_String ; Convert string values to Hex16
|
||||
CALLI R15 @Eval_Immediates ; Convert numbers to hex
|
||||
CALLI R15 @Preserve_Other ; Ensure labels/Pointers aren't lost
|
||||
CALLI R15 @Print_Hex ; Write Nodes to Tape_02
|
||||
HALT ; We are Done
|
||||
|
||||
|
||||
;; Tokenize_Line function
|
||||
;; Opens tape_01 and reads into a backwards linked list in R13
|
||||
;; Returns to whatever called it
|
||||
:Tokenize_Line
|
||||
;; Prep TAPE_01
|
||||
LOADUI R0 0x1100
|
||||
FOPEN_READ
|
||||
|
||||
FALSE R13 ; Head is NULL
|
||||
MOVE R1 R0 ; Read Tape_01
|
||||
FALSE R14 ; We haven't yet reached EOF
|
||||
:main_0
|
||||
CALLI R15 @Tokenize_Line ; Call Tokenize_Line
|
||||
JUMP.Z R14 @main_0 ; Until we reach EOF
|
||||
|
||||
;; Done reading File
|
||||
LOADUI R0 0x1100 ; Close TAPE_01
|
||||
FCLOSE
|
||||
|
||||
COPY R0 R13 ; Prepare for function
|
||||
CALLI R15 @Identify_Macros ; Tag all nodes that are macros
|
||||
CALLI R15 @Line_Macro ; Apply macros down nodes
|
||||
CALLI R15 @Process_String ; Convert string values to Hex16
|
||||
CALLI R15 @Eval_Immediates ; Convert numbers to hex
|
||||
CALLI R15 @Preserve_Other ; Ensure labels/Pointers aren't lost
|
||||
|
||||
;; Prep TAPE_02
|
||||
LOADUI R0 0x1101
|
||||
FOPEN_WRITE
|
||||
|
||||
CALLI R15 @Print_Hex ; Write Nodes to Tape_02
|
||||
|
||||
;; Done writing File
|
||||
LOADUI R0 0x1101 ; Close TAPE_01
|
||||
FCLOSE
|
||||
HALT ; We are Done
|
||||
|
||||
|
||||
;; Primative malloc function
|
||||
;; Recieves number of bytes to allocate in R0
|
||||
;; Returns pointer to block of that size in R0
|
||||
;; Returns to whatever called it
|
||||
:malloc
|
||||
;; Preserve registers
|
||||
PUSHR R1 R15
|
||||
;; Get current malloc pointer
|
||||
LOADR R1 @malloc_pointer
|
||||
;; Deal with special case
|
||||
CMPSKIPI.NE R1 0 ; If Zero set to our start of heap space
|
||||
LOADUI R1 0x4000
|
||||
|
||||
;; update malloc pointer
|
||||
SWAP R0 R1
|
||||
ADD R1 R0 R1
|
||||
STORER R1 @malloc_pointer
|
||||
|
||||
;; Done
|
||||
;; Restore registers
|
||||
POPR R1 R15
|
||||
RET R15
|
||||
;; Our static value for malloc pointer
|
||||
:malloc_pointer
|
||||
NOP
|
||||
|
||||
|
||||
;; Tokenize_Line function
|
||||
;; Recieves pointer to Head in R0 and desired input in R1
|
||||
;; Alters R14 when EOF Reached
|
||||
;; Returns to whatever called it
|
||||
:Tokenize_Line
|
||||
;; Preserve registers
|
||||
PUSHR R0 R15
|
||||
PUSHR R1 R15
|
||||
PUSHR R2 R15
|
||||
PUSHR R3 R15
|
||||
PUSHR R4 R15
|
||||
|
||||
;; Initialize
|
||||
COPY R4 R13 ; Get Head pointer out of the way
|
||||
:Tokenize_Line_0
|
||||
FGETC ; Get a Char
|
||||
|
||||
|
@ -122,19 +69,14 @@
|
|||
CMPSKIPI.NE R0 32
|
||||
JUMP @Tokenize_Line_0 ; Throw away byte and try again
|
||||
|
||||
;; Flag if reached EOF
|
||||
CMPSKIPI.GE R0 0
|
||||
TRUE R14
|
||||
|
||||
;; Stop if EOF
|
||||
CMPSKIPI.GE R0 0
|
||||
JUMP @Tokenize_Line_Done
|
||||
|
||||
;; Allocate a new Node
|
||||
MOVE R2 R0 ; Get Char out the way
|
||||
LOADUI R0 16 ; Allocate 16 Bytes
|
||||
CALLI R15 @malloc ; Get address of new Node
|
||||
SWAP R2 R0 ; Store Pointer in R2
|
||||
COPY R2 R14 ; Get address of new Node
|
||||
ADDUI R14 R14 16 ; Allocate 16 Bytes
|
||||
STORE32 R14 R2 8 ; Set Text pointer
|
||||
|
||||
;; Deal with Strings wrapped in "
|
||||
CMPSKIPI.NE R0 34
|
||||
|
@ -146,20 +88,35 @@
|
|||
|
||||
;; Everything else is an atom store it
|
||||
CALLI R15 @Store_Atom
|
||||
:Tokenize_Line_1
|
||||
STORE32 R13 R2 0 ; Set p->next to head
|
||||
MOVE R13 R2 ; Set head to p
|
||||
JUMP @Tokenize_Line_0 ; Keep getting tokens
|
||||
|
||||
:Tokenize_Line_Done
|
||||
MOVE R1 R2 ; Put Node pointer we are working on into R1
|
||||
COPY R0 R13 ; Get current HEAD
|
||||
CALLI R15 @Add_Token ; Append new token to Head
|
||||
;; Done reading File
|
||||
LOADUI R0 0x1100 ; Close TAPE_01
|
||||
FCLOSE
|
||||
RET R15
|
||||
|
||||
;; Restore registers
|
||||
POPR R4 R15
|
||||
POPR R3 R15
|
||||
POPR R2 R15
|
||||
POPR R1 R15
|
||||
POPR R0 R15
|
||||
|
||||
;; Return since we are done
|
||||
;; reverse_list Function
|
||||
;; Reverses the list given in R13
|
||||
:reverse_list
|
||||
;; Initialize
|
||||
COPY R0 R13 ; Using R0 as head
|
||||
FALSE R1 ; Using R1 as root
|
||||
; Using R2 as next
|
||||
:reverse_list_0
|
||||
JUMP.Z R0 @reverse_list_done ; Stop if NULL == head
|
||||
LOAD R2 R0 0 ; next = head->next
|
||||
STORE R1 R0 0 ; head->next = root
|
||||
MOVE R1 R0 ; root = head
|
||||
MOVE R0 R2 ; head = next
|
||||
JUMP @reverse_list_0 ; Keep looping
|
||||
:reverse_list_done
|
||||
;; Clean up
|
||||
MOVE R13 R1 ; Set token_list to root
|
||||
RET R15
|
||||
|
||||
|
||||
|
@ -181,37 +138,20 @@
|
|||
;; Modifies node Text to point to string and sets
|
||||
;; Type to string.
|
||||
:Store_String
|
||||
;; Preserve registers
|
||||
PUSHR R4 R15
|
||||
PUSHR R5 R15
|
||||
PUSHR R6 R15
|
||||
|
||||
;; Initialize
|
||||
MOVE R6 R0 ; Get R0 out of the way
|
||||
CALLI R15 @malloc ; Get where space is free
|
||||
MOVE R4 R0 ; Put pointer someplace safe
|
||||
FALSE R5 ; Start at index 0
|
||||
COPY R0 R6 ; Copy Char back into R0
|
||||
COPY R3 R0 ; Copy Char for comparison
|
||||
|
||||
;; Primary Loop
|
||||
:Store_String_0
|
||||
STOREX8 R0 R4 R5 ; Store the Byte
|
||||
STORE8 R0 R14 0 ; Store the Byte
|
||||
FGETC ; Get next Byte
|
||||
ADDUI R5 R5 1 ; Prep for next loop
|
||||
CMPJUMPI.NE R0 R6 @Store_String_0 ; Loop if matching not found
|
||||
ADDUI R14 R14 1 ; Prep for next loop
|
||||
CMPJUMPI.NE R0 R3 @Store_String_0 ; Loop if matching not found
|
||||
|
||||
;; Clean up
|
||||
STORE32 R4 R2 8 ; Set Text pointer
|
||||
ADDUI R0 R5 4 ; Correct Malloc
|
||||
CALLI R15 @malloc ; To the amount of space used
|
||||
ADDUI R14 R14 4 ; Correct Malloc
|
||||
LOADUI R0 2 ; Using type string
|
||||
STORE32 R0 R2 4 ; Set node type
|
||||
|
||||
;; Restore Registers
|
||||
POPR R6 R15
|
||||
POPR R5 R15
|
||||
POPR R4 R15
|
||||
JUMP @Tokenize_Line_Done
|
||||
JUMP @Tokenize_Line_1
|
||||
|
||||
|
||||
;; Store_Atom function
|
||||
|
@ -219,21 +159,9 @@
|
|||
;; And node pointer in R2
|
||||
;; Modifies node Text to point to string
|
||||
:Store_Atom
|
||||
;; Preserve registers
|
||||
PUSHR R4 R15
|
||||
PUSHR R5 R15
|
||||
|
||||
;; Initialize
|
||||
MOVE R5 R0 ; Get R0 out of the way
|
||||
CALLI R15 @malloc ; Get where space is free
|
||||
MOVE R4 R0 ; Put pointer someplace safe
|
||||
MOVE R0 R5 ; Copy Char back and Set index to 0
|
||||
|
||||
;; Primary Loop
|
||||
:Store_Atom_0
|
||||
STOREX8 R0 R4 R5 ; Store the Byte
|
||||
STORE8 R0 R14 0 ; Store the Byte
|
||||
FGETC ; Get next Byte
|
||||
ADDUI R5 R5 1 ; Prep for next loop
|
||||
ADDUI R14 R14 1 ; Prep for next loop
|
||||
|
||||
CMPSKIPI.NE R0 9 ; If char is Tab
|
||||
JUMP @Store_Atom_Done ; Be done
|
||||
|
@ -245,60 +173,11 @@
|
|||
JUMP @Store_Atom_Done ; Be done
|
||||
|
||||
;; Otherwise loop
|
||||
JUMP @Store_Atom_0
|
||||
JUMP @Store_Atom
|
||||
|
||||
:Store_Atom_Done
|
||||
;; Cleanup
|
||||
STORE32 R4 R2 8 ; Set Text pointer
|
||||
ADDUI R0 R5 1 ; Correct Malloc
|
||||
CALLI R15 @malloc ; To the amount of space used
|
||||
|
||||
;; Restore Registers
|
||||
POPR R5 R15
|
||||
POPR R4 R15
|
||||
RET R15
|
||||
|
||||
|
||||
;; Add_Token Function
|
||||
;; Recieves pointers in R0 R1
|
||||
;; Alters R13 if R) is NULL
|
||||
;; Appends nodes together
|
||||
;; Returns to whatever called it
|
||||
:Add_Token
|
||||
;; Preserve Registers
|
||||
PUSHR R2 R15
|
||||
PUSHR R1 R15
|
||||
PUSHR R0 R15
|
||||
|
||||
;; Handle if Head is NULL
|
||||
JUMP.NZ R0 @Add_Token_0
|
||||
COPY R13 R1 ; Fix head
|
||||
POPR R0 R15 ; Clean up register
|
||||
PUSHR R1 R15 ; And act like we passed the reverse
|
||||
JUMP @Add_Token_2
|
||||
|
||||
:Add_Token_0
|
||||
;; Handle if Head->next is NULL
|
||||
LOAD32 R2 R0 0
|
||||
JUMP.NZ R2 @Add_Token_1
|
||||
;; Set head->next = p
|
||||
STORE32 R1 R0 0
|
||||
JUMP @Add_Token_2
|
||||
|
||||
:Add_Token_1
|
||||
;; Handle case of Head->next not being NULL
|
||||
LOAD32 R0 R0 0 ; Move to next node
|
||||
LOAD32 R2 R0 0 ; Get node->next
|
||||
CMPSKIPI.E R2 0 ; If it is not null
|
||||
JUMP @Add_Token_1 ; Move to the next node and try again
|
||||
JUMP @Add_Token_0 ; Else simply act as if we got this node
|
||||
; in the first place
|
||||
|
||||
:Add_Token_2
|
||||
;; Restore registers
|
||||
POPR R0 R15
|
||||
POPR R1 R15
|
||||
POPR R2 R15
|
||||
ADDUI R14 R14 1 ; Correct Malloc
|
||||
RET R15
|
||||
|
||||
|
||||
|
@ -309,87 +188,71 @@
|
|||
;; Returns to whatever called it
|
||||
:strcmp
|
||||
;; Preserve registers
|
||||
PUSHR R1 R15
|
||||
PUSHR R2 R15
|
||||
PUSHR R3 R15
|
||||
PUSHR R4 R15
|
||||
;; Setup registers
|
||||
MOVE R2 R0 ; Put R0 in a safe place
|
||||
MOVE R3 R1 ; Put R1 in a safe place
|
||||
LOADUI R4 0 ; Starting at index 0
|
||||
FALSE R4 ; Starting at index 0
|
||||
:cmpbyte
|
||||
LOADXU8 R0 R2 R4 ; Get a byte of our first string
|
||||
LOADXU8 R1 R3 R4 ; Get a byte of our second string
|
||||
ADDUI R4 R4 1 ; Prep for next loop
|
||||
CMP R1 R0 R1 ; Compare the bytes
|
||||
CMPSKIPI.E R0 0 ; Stop if byte is NULL
|
||||
JUMP.E R1 @cmpbyte ; Loop if bytes are equal
|
||||
CMP R0 R0 R1 ; Compare the bytes
|
||||
CMPSKIPI.E R1 0 ; Stop if byte is NULL
|
||||
JUMP.E R0 @cmpbyte ; Loop if bytes are equal
|
||||
;; Done
|
||||
MOVE R0 R1 ; Prepare for return
|
||||
;; Restore registers
|
||||
POPR R4 R15
|
||||
POPR R3 R15
|
||||
POPR R2 R15
|
||||
POPR R1 R15
|
||||
RET R15
|
||||
|
||||
|
||||
;; Identify_Macros Function
|
||||
;; Recieves a pointer to a node in R0
|
||||
;; If the text stored in its Text segment matches
|
||||
;; DEFINE, flag it and Collapse it down to a single Node
|
||||
;; Loop until all nodes are checked
|
||||
;; Return to whatever called it
|
||||
:Identify_Macros
|
||||
;; Preserve Registers
|
||||
PUSHR R0 R15
|
||||
PUSHR R1 R15
|
||||
PUSHR R2 R15
|
||||
PUSHR R3 R15
|
||||
;; Initializ
|
||||
LOADUI R1 $Identify_Macros_string
|
||||
COPY R2 R13 ; i = head
|
||||
|
||||
;; Main Loop
|
||||
:Identify_Macros_0
|
||||
MOVE R2 R0
|
||||
LOAD32 R1 R2 8 ; Get Pointer to Text
|
||||
LOADUI R0 $Identify_Macros_string
|
||||
LOAD32 R0 R2 8 ; Get Pointer to Text
|
||||
CALLI R15 @strcmp
|
||||
MOVE R1 R2
|
||||
JUMP.NE R0 @Identify_Macros_1
|
||||
|
||||
;; It is a definition
|
||||
;; Set p->Type = macro
|
||||
;; Set i->Type = macro
|
||||
LOADUI R0 1 ; The Enum value for macro
|
||||
STORE32 R0 R1 4 ; Set node type
|
||||
STORE32 R0 R2 4 ; Set node type
|
||||
|
||||
;; Set p->Text = p->Next->Text
|
||||
LOAD32 R2 R1 0 ; Get Next
|
||||
LOAD32 R0 R2 8 ; Get Next->Text
|
||||
STORE32 R0 R1 8 ; Set Text = Next->Text
|
||||
;; Set i->Text = i->Next->Text
|
||||
LOAD32 R4 R2 0 ; Get Next
|
||||
LOAD32 R0 R4 8 ; Get Next->Text
|
||||
STORE32 R0 R2 8 ; Set i->Text = Next->Text
|
||||
|
||||
;; Set p->Expression = p->next->next->Text
|
||||
LOAD32 R2 R2 0 ; Get Next->Next
|
||||
LOAD32 R0 R2 8 ; Get Next->Next->Text
|
||||
LOAD32 R3 R2 4 ; Get Next->Next->type
|
||||
;; Set i->Expression = i->next->next->Text
|
||||
LOAD32 R4 R4 0 ; Get Next->Next
|
||||
LOAD32 R0 R4 8 ; Get Next->Next->Text
|
||||
LOAD32 R3 R4 4 ; Get Next->Next->type
|
||||
CMPSKIPI.NE R3 2 ; If node is a string
|
||||
ADDUI R0 R0 1 ; Skip first char
|
||||
STORE32 R0 R1 12 ; Set Expression = Next->Next->Text
|
||||
STORE32 R0 R2 12 ; Set Expression = Next->Next->Text
|
||||
|
||||
;; Set p->Next = p->Next->Next->Next
|
||||
LOAD32 R0 R2 0 ; Get Next->Next->Next
|
||||
STORE32 R0 R1 0 ; Set Next = Next->Next->Next
|
||||
;; Set i->Next = i->Next->Next->Next
|
||||
LOAD32 R4 R4 0 ; Get Next->Next->Next
|
||||
STORE32 R4 R2 0 ; Set i->Next = Next->Next->Next
|
||||
|
||||
:Identify_Macros_1
|
||||
LOAD32 R0 R1 0 ; Get node->next
|
||||
CMPSKIPI.NE R0 0 ; If node->next is NULL
|
||||
JUMP @Identify_Macros_Done ; Be done
|
||||
|
||||
;; Otherwise keep looping
|
||||
JUMP @Identify_Macros_0
|
||||
|
||||
:Identify_Macros_Done
|
||||
;; Restore registers
|
||||
POPR R3 R15
|
||||
POPR R2 R15
|
||||
POPR R1 R15
|
||||
POPR R0 R15
|
||||
LOAD32 R2 R2 0 ; Get node->next
|
||||
JUMP.NZ R2 @Identify_Macros_0 ; Loop if i not NULL
|
||||
RET R15
|
||||
|
||||
:Identify_Macros_string
|
||||
|
@ -401,11 +264,8 @@
|
|||
;; Causes macros to be applied
|
||||
;; Returns to whatever called it
|
||||
:Line_Macro
|
||||
;; Preserve Registers
|
||||
PUSHR R0 R15
|
||||
PUSHR R1 R15
|
||||
PUSHR R2 R15
|
||||
PUSHR R3 R15
|
||||
;; Initialize
|
||||
COPY R0 R13 ; Start with Head
|
||||
|
||||
;; Main loop
|
||||
:Line_Macro_0
|
||||
|
@ -415,14 +275,7 @@
|
|||
LOAD32 R0 R0 0 ; Load Next pointer
|
||||
CMPSKIPI.NE R3 1 ; If a macro
|
||||
CALLI R15 @setExpression ; Apply to other nodes
|
||||
CMPSKIPI.E R0 0 ; If Next is Null
|
||||
JUMP @Line_Macro_0 ; Don't loop
|
||||
|
||||
;; Clean up
|
||||
POPR R3 R15
|
||||
POPR R2 R15
|
||||
POPR R1 R15
|
||||
POPR R0 R15
|
||||
JUMP.NZ R0 @Line_Macro_0 ; If Next is Null Don't loop
|
||||
RET R15
|
||||
|
||||
|
||||
|
@ -435,33 +288,25 @@
|
|||
:setExpression
|
||||
;; Preserve registers
|
||||
PUSHR R0 R15
|
||||
PUSHR R3 R15
|
||||
PUSHR R4 R15
|
||||
PUSHR R5 R15
|
||||
|
||||
;; Initialize
|
||||
MOVE R4 R1 ; Put Macro Text in a safe place
|
||||
COPY R5 R0 ; Use R5 for Node pointer
|
||||
COPY R4 R0 ; Use R4 for Node pointer
|
||||
|
||||
:setExpression_0
|
||||
LOAD32 R3 R5 4 ; Load type into R3
|
||||
LOAD32 R3 R4 4 ; Load type into R3
|
||||
CMPSKIPI.NE R3 1 ; Check if Macro
|
||||
JUMP @setExpression_1 ; Move to next if Macro
|
||||
LOAD32 R0 R5 8 ; Load Text pointer into R0 for Comparision
|
||||
COPY R1 R4 ; Put Macro Text for comparision
|
||||
LOAD32 R0 R4 8 ; Load Text pointer into R0 for Comparision
|
||||
CALLI R15 @strcmp ; compare Text and Macro Text
|
||||
JUMP.NE R0 @setExpression_1 ; Move to next if not Match
|
||||
STORE32 R2 R5 12 ; Set node->Expression = Exp
|
||||
STORE32 R2 R4 12 ; Set node->Expression = Exp
|
||||
|
||||
:setExpression_1
|
||||
LOAD32 R5 R5 0 ; Load Next
|
||||
JUMP.NZ R5 @setExpression_0 ; Loop if next isn't NULL
|
||||
LOAD32 R4 R4 0 ; Load Next
|
||||
JUMP.NZ R4 @setExpression_0 ; Loop if next isn't NULL
|
||||
|
||||
:setExpression_Done
|
||||
;; Restore registers
|
||||
POPR R5 R15
|
||||
POPR R4 R15
|
||||
POPR R3 R15
|
||||
POPR R0 R15
|
||||
RET R15
|
||||
|
||||
|
@ -471,10 +316,8 @@
|
|||
;; Doesn't modify registers
|
||||
;; Returns back to whatever called it
|
||||
:Process_String
|
||||
;; Preserve Registers
|
||||
PUSHR R0 R15
|
||||
PUSHR R1 R15
|
||||
PUSHR R2 R15
|
||||
;; Initialize
|
||||
COPY R0 R13 ; Start with Head
|
||||
|
||||
:Process_String_0
|
||||
;; Get node type
|
||||
|
@ -501,13 +344,7 @@
|
|||
|
||||
:Process_String_Done
|
||||
LOAD32 R0 R0 0 ; Load Next
|
||||
CMPSKIPI.E R0 0 ; If Next isn't NULL
|
||||
JUMP @Process_String_0 ; Recurse down list
|
||||
|
||||
;; Restore registers
|
||||
POPR R2 R15
|
||||
POPR R1 R15
|
||||
POPR R0 R15
|
||||
JUMP.NZ R0 @Process_String_0 ; If Next isn't NULL Recurse down list
|
||||
RET R15
|
||||
|
||||
|
||||
|
@ -520,47 +357,31 @@
|
|||
:Hexify_String
|
||||
;; Preserve Registers
|
||||
PUSHR R0 R15
|
||||
PUSHR R1 R15
|
||||
PUSHR R2 R15
|
||||
PUSHR R3 R15
|
||||
PUSHR R4 R15
|
||||
|
||||
;; Initialize
|
||||
MOVE R2 R0 ; Move R0 out of the way
|
||||
CALLI R15 @malloc ; Get address of new Node
|
||||
MOVE R1 R0 ; Prep For Hex32
|
||||
STORE32 R1 R2 12 ; Set node expression pointer
|
||||
LOAD32 R2 R2 8 ; Load Text pointer into R2
|
||||
ADDUI R2 R2 1 ; SKip leading "
|
||||
FALSE R4 ; Set counter for malloc to Zero
|
||||
MOVE R1 R0 ; Move R0 out of the way
|
||||
STORE32 R14 R1 12 ; Set node expression pointer
|
||||
LOAD32 R1 R1 8 ; Load Text pointer into R2
|
||||
ADDUI R1 R1 1 ; SKip leading "
|
||||
|
||||
;; Main Loop
|
||||
:Hexify_String_0
|
||||
LOAD32 R0 R2 0 ; Load 4 bytes into R0 from Text
|
||||
ANDI R3 R0 0xFF ; Preserve byte to check for NULL
|
||||
LOAD32 R0 R1 0 ; Load 4 bytes into R0 from Text
|
||||
ANDI R2 R0 0xFF ; Preserve byte to check for NULL
|
||||
CALLI R15 @hex32 ; Convert to hex and store in Expression
|
||||
ADDUI R2 R2 4 ; Pointer Text pointer to next 4 bytes
|
||||
ADDUI R4 R4 8 ; Increment storage space required
|
||||
CMPSKIPI.E R3 0 ; If byte was NULL
|
||||
JUMP @Hexify_String_0
|
||||
ADDUI R1 R1 4 ; Pointer Text pointer to next 4 bytes
|
||||
JUMP.NZ R2 @Hexify_String_0
|
||||
|
||||
;; Done
|
||||
ADDUI R0 R4 1 ; Lead space for NULL terminator
|
||||
CALLI R15 @malloc ; Correct malloc value
|
||||
|
||||
;; Restore Registers
|
||||
POPR R4 R15
|
||||
POPR R3 R15
|
||||
POPR R2 R15
|
||||
POPR R1 R15
|
||||
ADDUI R14 R14 1 ; Correct malloc value
|
||||
POPR R0 R15
|
||||
RET R15
|
||||
|
||||
|
||||
;; hex32 functionality
|
||||
;; Accepts 32bit value in R0
|
||||
;; Require R1 to be a pointer to place to store hex16
|
||||
;; WILL ALTER R1 !
|
||||
;; Require R14 to be the heap pointer
|
||||
;; WILL ALTER R14 !
|
||||
;; Returns to whatever called it
|
||||
:hex32
|
||||
PUSHR R0 R15
|
||||
|
@ -578,12 +399,12 @@
|
|||
CALLI R15 @hex4
|
||||
POPR R0 R15
|
||||
:hex4
|
||||
ANDI R0 R0 0x000F ; isolate nybble
|
||||
ANDI R0 R0 0xF ; isolate nybble
|
||||
ADDUI R0 R0 48 ; convert to ascii
|
||||
CMPSKIPI.LE R0 57 ; If nybble was greater than '9'
|
||||
ADDUI R0 R0 7 ; Shift it into 'A' range of ascii
|
||||
STORE8 R0 R1 0 ; Store Hex Char
|
||||
ADDUI R1 R1 1 ; Increment address pointer
|
||||
STORE8 R0 R14 0 ; Store Hex Char
|
||||
ADDUI R14 R14 1 ; Increment address pointer
|
||||
RET R15 ; Get next nybble or return if done
|
||||
|
||||
|
||||
|
@ -592,56 +413,29 @@
|
|||
;; Converts number into Hex
|
||||
;; And write into Memory and fix pointer
|
||||
:Eval_Immediates
|
||||
;; Preserve Registers
|
||||
PUSHR R0 R15
|
||||
PUSHR R1 R15
|
||||
PUSHR R2 R15
|
||||
PUSHR R3 R15
|
||||
PUSHR R4 R15
|
||||
PUSHR R5 R15
|
||||
PUSHR R6 R15
|
||||
|
||||
;; Initialize
|
||||
COPY R0 R13 ; Start with Head
|
||||
FALSE R5 ; Zero for checking return of numerate_string
|
||||
COPY R3 R13 ; Start with Head
|
||||
|
||||
;; Process Text
|
||||
:Eval_Immediates_0
|
||||
COPY R6 R0 ; Safely preserve pointer to node
|
||||
LOAD32 R4 R0 0 ; Load Node->Next
|
||||
LOAD32 R3 R0 4 ; Load Node type
|
||||
LOAD32 R2 R0 12 ; Load Expression pointer
|
||||
LOAD32 R1 R0 8 ; Load Text pointer
|
||||
JUMP.NZ R2 @Eval_Immediates_1 ; Don't do anything if Expression is set
|
||||
JUMP.NZ R3 @Eval_Immediates_1 ; Don't do anything if Typed
|
||||
COPY R0 R1 ; Put Text pointer into R0
|
||||
LOAD32 R2 R3 0 ; Load Node->Next
|
||||
LOAD32 R0 R3 12 ; Load Expression pointer
|
||||
JUMP.NZ R0 @Eval_Immediates_1 ; Don't do anything if Expression is set
|
||||
LOAD32 R0 R3 4 ; Load Node type
|
||||
JUMP.NZ R0 @Eval_Immediates_1 ; Don't do anything if Typed
|
||||
LOAD32 R0 R3 8 ; Load Text pointer
|
||||
LOAD8 R1 R0 0 ; Get first char of Text
|
||||
CALLI R15 @numerate_string ; Convert to number in R0
|
||||
LOAD8 R1 R1 0 ; Get first char of Text
|
||||
CMPSKIPI.E R1 48 ; Skip next comparision if '0'
|
||||
CMPJUMPI.E R0 R5 @Eval_Immediates_1 ; Don't do anything if string isn't a number
|
||||
MOVE R1 R0 ; Preserve number
|
||||
LOADUI R0 5 ; Allocate enough space for 4 hex and a null
|
||||
CALLI R15 @malloc ; Obtain the pointer the newly allocated Expression
|
||||
STORE R0 R6 12 ; Preserve pointer to expression
|
||||
SWAP R0 R1 ; Fix order for call to hex16
|
||||
JUMP.Z R0 @Eval_Immediates_1 ; Don't do anything if string isn't a number
|
||||
STORE R14 R3 12 ; Preserve pointer to expression
|
||||
CALLI R15 @hex16 ; Shove our number into expression
|
||||
ADDUI R14 R14 1 ; Allocate enough space for a null
|
||||
|
||||
;; Handle looping
|
||||
:Eval_Immediates_1
|
||||
CMPJUMPI.E R4 R5 @Eval_Immediates_2 ; If null be done
|
||||
MOVE R0 R4 ; Prepare for next loop
|
||||
JUMP @Eval_Immediates_0 ; And loop
|
||||
|
||||
;; Clean up
|
||||
:Eval_Immediates_2
|
||||
;; Restore Registers
|
||||
POPR R6 R15
|
||||
POPR R5 R15
|
||||
POPR R4 R15
|
||||
POPR R3 R15
|
||||
POPR R2 R15
|
||||
POPR R1 R15
|
||||
POPR R0 R15
|
||||
MOVE R3 R2 ; Prepare for next loop
|
||||
JUMP.NZ R3 @Eval_Immediates_0 ; And loop
|
||||
RET R15
|
||||
|
||||
|
||||
|
@ -696,8 +490,7 @@
|
|||
ADDUI R1 R1 2 ; Move to after leading 0x
|
||||
:numerate_string_hex_0
|
||||
LOAD8 R0 R1 0 ; Get a byte
|
||||
CMPSKIPI.NE R0 0 ; If NULL
|
||||
JUMP @numerate_string_done ; Be done
|
||||
JUMP.Z R0 @numerate_string_done ; If NULL Be done
|
||||
|
||||
SL0I R3 4 ; Shift counter by 16
|
||||
SUBI R0 R0 48 ; Convert ascii number to number
|
||||
|
@ -728,63 +521,44 @@
|
|||
;; Sets Expression pointer to Text pointer value
|
||||
;; For all unset nodes
|
||||
:Preserve_Other
|
||||
;; Preserve Registers
|
||||
PUSHR R0 R15
|
||||
PUSHR R1 R15
|
||||
PUSHR R2 R15
|
||||
PUSHR R3 R15
|
||||
PUSHR R4 R15
|
||||
|
||||
;; Initialize
|
||||
COPY R0 R13 ; Start with HEAD
|
||||
|
||||
;; Process Node
|
||||
:Preserve_Other_0
|
||||
LOAD32 R4 R0 0 ; Load Node->Next
|
||||
LOAD32 R3 R0 4 ; Load Node type
|
||||
LOAD32 R2 R0 12 ; Load Expression pointer
|
||||
LOAD32 R2 R0 0 ; Load Node->Next
|
||||
LOAD32 R1 R0 4 ; Load Node type
|
||||
JUMP.NZ R1 @Preserve_Other_1 ; Don't do anything if Typed
|
||||
LOAD32 R1 R0 12 ; Load Expression pointer
|
||||
JUMP.NZ R1 @Preserve_Other_1 ; Don't do anything if Expression is set
|
||||
LOAD32 R1 R0 8 ; Load Text pointer
|
||||
JUMP.NZ R2 @Preserve_Other_1 ; Don't do anything if Expression is set
|
||||
JUMP.NZ R3 @Preserve_Other_1 ; Don't do anything if Typed
|
||||
STORE32 R1 R0 12 ; Set Expression pointer to Text pointer
|
||||
|
||||
;; Loop through nodes
|
||||
:Preserve_Other_1
|
||||
MOVE R0 R4 ; Prepare for next loop
|
||||
MOVE R0 R2 ; Prepare for next loop
|
||||
JUMP.NZ R0 @Preserve_Other_0
|
||||
|
||||
;; Clean up
|
||||
:Preserve_Other_Done
|
||||
;; Restore Registers
|
||||
POPR R4 R15
|
||||
POPR R3 R15
|
||||
POPR R2 R15
|
||||
POPR R1 R15
|
||||
POPR R0 R15
|
||||
RET R15
|
||||
|
||||
;; Print_Hex Function
|
||||
;; Print all of the expressions
|
||||
;; Starting with HEAD
|
||||
:Print_Hex
|
||||
;; Preserve Registers
|
||||
PUSHR R0 R15
|
||||
PUSHR R1 R15
|
||||
PUSHR R2 R15
|
||||
PUSHR R3 R15
|
||||
PUSHR R4 R15
|
||||
;; Prep TAPE_02
|
||||
LOADUI R0 0x1101
|
||||
FOPEN_WRITE
|
||||
|
||||
;; Initialize
|
||||
COPY R0 R13 ; Start with HEAD
|
||||
LOADUI R1 0x1101 ; Write to Tape_02
|
||||
|
||||
:Print_Hex_0
|
||||
LOAD32 R2 R0 0 ; Load Node->Next
|
||||
LOAD32 R1 R0 4 ; Load Node type
|
||||
LOAD32 R3 R0 4 ; Load Node type
|
||||
LOAD32 R0 R0 12 ; Load Expression pointer
|
||||
|
||||
SUBI R1 R1 1 ; Check for Macros
|
||||
JUMP.Z R1 @Print_Hex_1 ; Don't print Macros
|
||||
LOADUI R1 0x1101 ; Write to Tape_02
|
||||
SUBI R3 R3 1 ; Check for Macros
|
||||
JUMP.Z R3 @Print_Hex_1 ; Don't print Macros
|
||||
CALLI R15 @Print_Line ; Print the Expression
|
||||
|
||||
;; Loop down the nodes
|
||||
|
@ -792,14 +566,9 @@
|
|||
MOVE R0 R2 ; Prepare for next loop
|
||||
JUMP.NZ R0 @Print_Hex_0 ; Keep looping if not NULL
|
||||
|
||||
;; Clean up
|
||||
:Print_Hex_Done
|
||||
;; Restore Registers
|
||||
POPR R4 R15
|
||||
POPR R3 R15
|
||||
POPR R2 R15
|
||||
POPR R1 R15
|
||||
POPR R0 R15
|
||||
;; Done writing File
|
||||
LOADUI R0 0x1101 ; Close TAPE_01
|
||||
FCLOSE
|
||||
RET R15
|
||||
|
||||
|
||||
|
@ -809,36 +578,21 @@
|
|||
;; Writes all Chars in string
|
||||
;; Then writes a New line character to interface
|
||||
:Print_Line
|
||||
;; Preserve Registers
|
||||
PUSHR R0 R15
|
||||
PUSHR R1 R15
|
||||
PUSHR R2 R15
|
||||
PUSHR R3 R15
|
||||
PUSHR R4 R15
|
||||
|
||||
;; Initialize
|
||||
MOVE R3 R0 ; Get Pointer safely out of the way
|
||||
FALSE R4 ; Start index at 0
|
||||
|
||||
:Print_Line_0
|
||||
LOADXU8 R0 R3 R4 ; Get our first byte
|
||||
LOADU8 R0 R3 0 ; Get our first byte
|
||||
CMPSKIPI.NE R0 0 ; If the loaded byte is NULL
|
||||
JUMP @Print_Line_Done ; Be done
|
||||
FPUTC ; Otherwise print
|
||||
ADDUI R4 R4 1 ; Increment for next loop
|
||||
ADDUI R3 R3 1 ; Increment for next loop
|
||||
JUMP @Print_Line_0 ; And Loop
|
||||
|
||||
;; Clean up
|
||||
:Print_Line_Done
|
||||
LOADUI R0 10 ; Put in Newline char
|
||||
FPUTC ; Write it out
|
||||
|
||||
;; Restore Registers
|
||||
POPR R4 R15
|
||||
POPR R3 R15
|
||||
POPR R2 R15
|
||||
POPR R1 R15
|
||||
POPR R0 R15
|
||||
RET R15
|
||||
|
||||
|
||||
|
|
|
@ -2,7 +2,7 @@
|
|||
59f0502748af32e3096e026a95e77216179cccfe803a05803317414643e2fcec roms/DEHEX
|
||||
b3a910f18c6bc0ef4aa7a53cb3f0216a9f143319da67ed2a02210fe88b1e1131 roms/forth
|
||||
7c3887f791999aa9c1b8415d8e5be93afcf916b505296d9da7bd7a22531a84b5 roms/lisp
|
||||
2b9727381aec15a504c0898189fbc2344209d8e04451e3fa5d743e08e38f64cf roms/M0
|
||||
47bc5a29e37bbe4cac31ba612f5e452210b0c4364e529116b9a1c4976912c29d roms/M0
|
||||
24a4d74eb2eb7a82e68335643855658b27b5a6c3b13db473539f3e08d6f26ceb roms/SET
|
||||
0a427b14020354d1c785f5f900677e0059fce8f8d4456e9c19e5528cb17101eb roms/stage0_monitor
|
||||
3ea7fed1429400c1d6fc5b85180c4114755dfb1e6b88d69e7ecc465a40523bc8 roms/stage1_assembler-0
|
||||
|
|
Loading…
Reference in New Issue