diff options
Diffstat (limited to 'subx/examples/ex5.subx')
| -rw-r--r-- | subx/examples/ex5.subx | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/subx/examples/ex5.subx b/subx/examples/ex5.subx index 4dad3043..cdc009bf 100644 --- a/subx/examples/ex5.subx +++ b/subx/examples/ex5.subx @@ -13,29 +13,29 @@ # allocate x on the stack 81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # subtract from ESP - # read(stdin, x, 1) + # syscall(read, stdin, x, 1) # fd = 0 (stdin) bb/copy-to-EBX 0/imm32 # initialize x (location to write result to) 8d/copy-address 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none 1/r32/ECX 4/disp8 . # copy ESP+4 to ECX # size = 1 character ba/copy-to-EDX 1/imm32 - # read(fd, x, size) + # syscall b8/copy-to-EAX 3/imm32/read cd/syscall 0x80/imm8 - # write(stdout, x, 1) + # syscall(write, stdout, x, 1) # fd = 1 (stdout) bb/copy-to-EBX 1/imm32 # initialize x (location to read from) 8d/copy-address 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none 1/r32/ECX 4/disp8 . # copy ESP+4 to ECX # size = 1 character ba/copy-to-EDX 1/imm32 - # write(fd, x, size) + # syscall b8/copy-to-EAX 4/imm32/write cd/syscall 0x80/imm8 - # exit(EBX) + # syscall(exit, EBX) b8/copy-to-EAX 1/imm32/exit cd/syscall 0x80/imm8 |