diff options
Diffstat (limited to 'subx/ex9.subx')
| -rw-r--r-- | subx/ex9.subx | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/subx/ex9.subx b/subx/ex9.subx index b8482c43..9ea547f1 100644 --- a/subx/ex9.subx +++ b/subx/ex9.subx @@ -2,16 +2,15 @@ # # To run: # $ subx translate ex9.subx ex9 -# $ subx run ex9 abc d e f g h +# $ subx run ex9 abc de fghi # Expected result: # $ echo $? # 3 # length of 'abc' # # At the start of a SubX program: # argc: *ESP -# argv: *(ESP+4) -# argv[0]: *argv ("ex9" in this case) -# argv[1]: *(argv+4) +# argv[0]: *(ESP+4) +# argv[1]: *(ESP+8) # ... # Locals start from ESP-4 downwards. @@ -20,10 +19,7 @@ # op subop mod rm32 base index scale r32 # 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes # var s = argv[1] (EBX) - # var s = argv - 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none 3/r32/EBX 4/disp8 . # copy *(ESP+4) to EBX - # s = *(s+4) - 8b/copy 1/mod/*+disp8 3/rm32/EBX . . . 3/r32/EBX 4/disp8 . # copy *(EBX+4) to EBX + 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none 3/r32/EBX 8/disp8 . # copy *(ESP+8) to EBX # call ascii_length(EBX) # prepare call 55/push . . . . . . . . # push EBP |