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Added an EXECUTE command primitive to stage2 forth

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Jeremiah Orians 2017-06-16 16:36:03 -04:00
parent 77795c669c
commit 8b0384b370
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GPG Key ID: 7457821534D2ACCD
4 changed files with 16 additions and 3 deletions
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1
CHANGELOG.org
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@ -19,6 +19,7 @@
Incorporated High level prototypes into makefile Incorporated High level prototypes into makefile
Added logic to catch non-existent input files and report a useful error message Added logic to catch non-existent input files and report a useful error message
Added DP! to stage2 forth Added DP! to stage2 forth
Added EXECUTE to stage2 forth
Added string print and address to output of High level prototype disassembler Added string print and address to output of High level prototype disassembler
** Changed ** Changed

2
bootstrapping Steps.org
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@ -174,7 +174,7 @@ Then we use our M0 Line macro assembler to convert our assembly into hex2 format
Then we need to assemble that hex into our desired program: Then we need to assemble that hex into our desired program:
./bin/vm --rom roms/stage1_assembler-2 --tape_01 temp2 --tape_02 roms/forth --memory 48K ./bin/vm --rom roms/stage1_assembler-2 --tape_01 temp2 --tape_02 roms/forth --memory 48K
roms/forth should with the sha256sum of 82e88791a784d9633a457e5cabbed5383e6c4f54d0711428c034c4ae2424fc21 roms/forth should with the sha256sum of bfa6723d360439c9893951f1101e343b03369bf2267a820b8a1c80543595bf33
Our forth will first attempt to evaluate any code in tape_01 and then evaluate any code that the user types in Our forth will first attempt to evaluate any code in tape_01 and then evaluate any code that the user types in
(Otherwise there is no way for a forth fan to have a chance against the lisp in terms of being able to bootstrap something cool) (Otherwise there is no way for a forth fan to have a chance against the lisp in terms of being able to bootstrap something cool)

14
stage2/forth.s
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@ -1221,13 +1221,25 @@
ADD R13 R13 R0 ; Set NEXT to NEXT plus the offset ADD R13 R13 R0 ; Set NEXT to NEXT plus the offset
JSR_COROUTINE R11 ; NEXT JSR_COROUTINE R11 ; NEXT
;; EXECUTE
:Execute_Text
"EXECUTE"
:Execute_Entry
&0Branch_Entry ; Pointer to 0Branch
&Execute_Text ; Pointer to Name
NOP ; Flags
&Execute_Code ; Where assembly is Stored
:Execute_Code
POPR R0 R14 ; Get value off parameter stack
JSR_COROUTINE R0 ; Jump to that address
;; Interaction Commands ;; Interaction Commands
;; QUIT ;; QUIT
:Quit_Text :Quit_Text
"QUIT" "QUIT"
:Quit_Entry :Quit_Entry
&0Branch_Entry ; Pointer to 0Branch &Execute_Entry ; Pointer to Execute
&Quit_Text ; Pointer to Name &Quit_Text ; Pointer to Name
NOP ; Flags NOP ; Flags
:Quit_Code :Quit_Code

2
test/SHA256SUMS
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@ -1,6 +1,6 @@
8f465d3ec1cba00a7d024a1964e74bb6d241f86a73c77d95d8ceb10d09c8f7b9 roms/CAT 8f465d3ec1cba00a7d024a1964e74bb6d241f86a73c77d95d8ceb10d09c8f7b9 roms/CAT
59f0502748af32e3096e026a95e77216179cccfe803a05803317414643e2fcec roms/DEHEX 59f0502748af32e3096e026a95e77216179cccfe803a05803317414643e2fcec roms/DEHEX
82e88791a784d9633a457e5cabbed5383e6c4f54d0711428c034c4ae2424fc21 roms/forth bfa6723d360439c9893951f1101e343b03369bf2267a820b8a1c80543595bf33 roms/forth
4c146297da8c672955698a82207295b28feb389c9856a2c6ea6a60ce7e84260a roms/lisp 4c146297da8c672955698a82207295b28feb389c9856a2c6ea6a60ce7e84260a roms/lisp
2b9727381aec15a504c0898189fbc2344209d8e04451e3fa5d743e08e38f64cf roms/M0 2b9727381aec15a504c0898189fbc2344209d8e04451e3fa5d743e08e38f64cf roms/M0
24a4d74eb2eb7a82e68335643855658b27b5a6c3b13db473539f3e08d6f26ceb roms/SET 24a4d74eb2eb7a82e68335643855658b27b5a6c3b13db473539f3e08d6f26ceb roms/SET