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Fixings remaining stack offset bugs

This commit is contained in:
Jeremiah Orians 2017-06-14 21:25:41 -04:00
parent 02b2d231a6
commit 2a12799d82
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4 changed files with 7 additions and 5 deletions
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2
CHANGELOG.org
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@ -20,9 +20,11 @@ Incorporated High level prototypes into makefile
** Changed
Extended VPATH in makefile to shorten dependency names
Updated checksum for stage2 forth
** Fixed
Stack offset bug in stage2 forth was found and fixed by reepca in record time
Fixed 2DUP and ?DUP in stage2 forth
** Removed

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:
./bin/vm --rom roms/stage1_assembler-2 --tape_01 temp2 --tape_02 roms/forth --memory 48K
roms/forth should with the sha256sum of 7f2645eada56a748f209dabbca39f72c4594017a78e6fcc8aed77a51a73093f7
roms/forth should with the sha256sum of 2328f09db939a69cbd244293d6131060c95e253ffe1212aae43890fdfd263a42
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)

6
stage2/forth.s
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@ -227,8 +227,8 @@
NOP ; Flags
&2Dup_Code ; Where assembly is Stored
:2Dup_Code
LOAD R0 R14 0 ; Get top of stack
LOAD R1 R14 -4 ; Get second on stack
LOAD R0 R14 -4 ; Get top of stack
LOAD R1 R14 -8 ; Get second on stack
PUSHR R1 R14
PUSHR R0 R14
JSR_COROUTINE R11 ; NEXT
@ -262,7 +262,7 @@
NOP ; Flags
&QDup_Code ; Where assembly is Stored
:QDup_Code
LOAD R0 R14 0 ; Get Top of stack
LOAD R0 R14 -4 ; Get Top of stack
CMPSKIPI.E R0 0 ; Skip if Zero
PUSHR R0 R14 ; Duplicate value
JSR_COROUTINE R11 ; NEXT

2
test/SHA256SUMS
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@ -1,6 +1,6 @@
8f465d3ec1cba00a7d024a1964e74bb6d241f86a73c77d95d8ceb10d09c8f7b9 roms/CAT
59f0502748af32e3096e026a95e77216179cccfe803a05803317414643e2fcec roms/DEHEX
7f2645eada56a748f209dabbca39f72c4594017a78e6fcc8aed77a51a73093f7 roms/forth
2328f09db939a69cbd244293d6131060c95e253ffe1212aae43890fdfd263a42 roms/forth
4c146297da8c672955698a82207295b28feb389c9856a2c6ea6a60ce7e84260a roms/lisp
2b9727381aec15a504c0898189fbc2344209d8e04451e3fa5d743e08e38f64cf roms/M0
24a4d74eb2eb7a82e68335643855658b27b5a6c3b13db473539f3e08d6f26ceb roms/SET