diff options
Diffstat (limited to 'subx/ex5.subx')
| -rw-r--r-- | subx/ex5.subx | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/subx/ex5.subx b/subx/ex5.subx index 65ca4807..540d0315 100644 --- a/subx/ex5.subx +++ b/subx/ex5.subx @@ -11,37 +11,37 @@ ## function main # prolog - 55 # push EBP - 89 3/mod/direct 5/rm32/EBP 4/r32/ESP # copy ESP to EBP + 55/push # push EBP + 89/copy 3/mod/direct 5/rm32/EBP 4/r32/ESP # copy ESP to EBP # allocate x on the stack - 81 5/subop/subtract 3/mod/direct 4/rm32/ESP 4/imm32 # subtract 4 bytes from ESP + 81 5/subop/subtract 3/mod/direct 4/rm32/ESP 4/imm32 # subtract 4 bytes from ESP ## read(stdin, x, 1) # fd = 0 (stdin) - bb 0/imm32 # copy 0 to EBX + bb/copy 0/imm32 # copy 0 to EBX # set location to read character to - 89 3/mod/direct 1/rm32/ECX 5/r32/EBP # copy EBP to ECX + 89/copy 3/mod/direct 1/rm32/ECX 5/r32/EBP # copy EBP to ECX # size = 1 character - ba 1/imm32 # copy 1 to EDX + ba/copy 1/imm32 # copy 1 to EDX # syscall = read - b8 3/imm32 # copy 3 to EAX + b8/copy 3/imm32 # copy 3 to EAX # call - cd 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 # int 80h ## write(stdout, x, 1) # fd = 1 (stdout) - bb 1/imm32 # copy 1 to EBX + bb/copy 1/imm32 # copy 1 to EBX # set location of character to write out - 89 3/mod/direct 1/rm32/ECX 5/r32/EBP # copy EBP to ECX + 89/copy 3/mod/direct 1/rm32/ECX 5/r32/EBP # copy EBP to ECX # size = 1 character - ba 1/imm32 # copy 1 to EDX + ba/copy 1/imm32 # copy 1 to EDX # syscall = write - b8 4/imm32 # copy 4 to EAX + b8/copy 4/imm32 # copy 4 to EAX # call - cd 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 # int 80h ## exit(EBX) - b8 1/imm32 # copy 1 to EAX - cd 0x80/imm8 # int 80h + b8/copy 1/imm32 # copy 1 to EAX + cd/syscall 0x80/imm8 # int 80h # vim:ft=subx:nowrap |