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| author | Kartik Agaram <vc@akkartik.com> | 2018-09-21 16:55:46 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-09-21 16:56:37 -0700 |
| commit | 9372c16c00f032fe72e921723c2dc9ab88486ff6 (patch) | |
| tree | 74f1f3074675e90a2f53f2799c55bd5a9d9618af /subx/examples/ex7.subx | |
| parent | 9ce8fd1cc1770d7e41d214421237ecea7b1efb4e (diff) | |
| download | mu-9372c16c00f032fe72e921723c2dc9ab88486ff6.tar.gz | |
4581
Even more cuddling. We want to keep lines short where the opcode and operands are self-explanatory. If there are any implicit registers, etc., we'll continue to do the table layout. The first two columns look messy now; let's see how this goes. Maybe I'll give up on the tabular layout altogether, just string args with a single space.
Diffstat (limited to 'subx/examples/ex7.subx')
| -rw-r--r-- | subx/examples/ex7.subx | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/subx/examples/ex7.subx b/subx/examples/ex7.subx index dd615920..a1bb19c8 100644 --- a/subx/examples/ex7.subx +++ b/subx/examples/ex7.subx @@ -19,14 +19,14 @@ bb/copy . . . . . . . filename/imm32 # copy to EBX b9/copy . . . . . . . 0x180/imm32/fixed-perms # copy to ECX b8/copy . . . . . . . 8/imm32/creat # copy 8 to EAX - cd/syscall . . . . . . . 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 # stream = open(filename, O_WRONLY, 0) # we can't use 'fd' because it looks like a hex byte bb/copy . . . . . . . filename/imm32 # copy to EBX b9/copy . . . . . . . 1/imm32/wronly # copy 1 to ECX ba/copy . . . . . . . 0x180/imm32/fixed-perms # copy 0 to EDX b8/copy . . . . . . . 5/imm32/open # copy 5 to EAX - cd/syscall . . . . . . . 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 # save stream bb/copy . . . . . . . stream/imm32 # copy to EBX 89/copy 0/mod/indirect 3/rm32/EBX 0/r32/EAX # copy EAX to *EBX @@ -39,7 +39,7 @@ b9/copy . . . . . . . a/imm32 # copy to ECX ba/copy . . . . . . . 1/imm32/size # copy 1 to EDX b8/copy . . . . . . . 4/imm32/write # copy 4 to EAX - cd/syscall . . . . . . . 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 # close(stream) # load stream @@ -47,14 +47,14 @@ 8b/copy 0/mod/indirect 3/rm32/EBX 3/r32/EBX # copy *EBX to EBX # b8/copy . . . . . . . 6/imm32/close # copy 6 to EAX - cd/syscall . . . . . . . 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 # stream = open(filename, O_RDONLY, 0) bb/copy . . . . . . . filename/imm32 # copy to EBX b9/copy . . . . . . . 0/imm32/rdonly # copy 0 to ECX ba/copy . . . . . . . 0x180/imm32/fixed-perms # copy to EDX b8/copy . . . . . . . 5/imm32/open # copy 5 to EAX - cd/syscall . . . . . . . 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 # save stream bb/copy . . . . . . . stream/imm32 # copy to EBX 89/copy 0/mod/indirect 3/rm32/EBX 0/r32/EAX # copy EAX to *EBX @@ -67,7 +67,7 @@ b9/copy . . . . . . . b/imm32 # copy to ECX ba/copy . . . . . . . 1/imm32/size # copy 1 to EDX b8/copy . . . . . . . 3/imm32/read # copy 3 to EAX - cd/syscall . . . . . . . 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 # close(stream) # load stream @@ -75,12 +75,12 @@ 8b/copy 0/mod/indirect 3/rm32/EBX 3/r32/EBX # copy *EBX to EBX # b8/copy . . . . . . . 6/imm32/close # copy 6 to EAX - cd/syscall . . . . . . . 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 # unlink(filename) bb/copy . . . . . . . filename/imm32 # copy to EBX b8/copy . . . . . . . 0xa/imm32/unlink # copy 10 to EAX - cd/syscall . . . . . . . 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 # exit(b) # load b @@ -88,7 +88,7 @@ 8b/copy 0/mod/indirect 3/rm32/EBX 3/r32/EBX # copy *EBX to EBX # b8/copy . . . . . . . 1/imm32/exit # copy 1 to EAX - cd/syscall . . . . . . . 0x80/imm8 # int 80h + cd/syscall 0x80/imm8 == data stream: |