diff options
| author | turret <turret@duck.com> | 2023-09-13 11:06:26 -0500 |
|---|---|---|
| committer | turret <turret@duck.com> | 2023-09-13 11:06:26 -0500 |
| commit | 865f913eb14a358bb44b93eb54a46edad6c1950d (patch) | |
| tree | 59a5a04cabdcd4ae013801fd1e2e01737c1b45f2 | |
| parent | 593c9b4918c70d2d356c297120a3d77239dee41a (diff) | |
| download | cat-865f913eb14a358bb44b93eb54a46edad6c1950d.tar.gz cat-865f913eb14a358bb44b93eb54a46edad6c1950d.tar.bz2 cat-865f913eb14a358bb44b93eb54a46edad6c1950d.zip | |
cat: still unfinsihed impl but some work donw
| -rw-r--r-- | cat.s | 31 |
1 files changed, 20 insertions, 11 deletions
@@ -23,9 +23,9 @@ process_fd: mov r11, r13 and r11, showends cmp r11, 1 - jl .skipshowends mov rcx, [r10] and rcx, 0xff + jl .skipshowends cmp rcx, 0x0a jne .skipshowends call .flushbuf @@ -41,33 +41,42 @@ process_fd: and r11, shownonprinting cmp r11, 1 jl .skipnonprinting - mov rcx, [r10] - and rcx, 0xff + cmp rcx, 0x0a + je .skipnonprinting +.docaret: cmp rcx, 127 jge .showendsm cmp rcx, 0x20 jge .skipnonprinting ; carrot notation (less than 0x20) - or rcx, 0x40 + xor rcx, 0x40 ror rcx, 8 or rcx, "^" and rcx, 0xffff mov [smallbuf], rcx mov rax, smallbuf call outpstring + cmp r9, r10 + je .skipnonprinting + dec r9 + call .flushbuf + inc r10 + inc r9 + dec r8 jmp .skipnonprinting .showendsm: ; M- notation je .eq127 - sub rcx, 128 - ror rcx, 16 - or rcx, "M-" - and rcx, 0xffffff - mov [smallbuf], rcx + xor rdi, rdi + or rdi, "M-" + and rcx, 0xffff + mov [smallbuf], rdi mov rax, smallbuf call outpstring - - jmp .skipnonprinting + mov rcx, [r10] + and rcx, 0xff + sub rcx, 128 + jmp .docaret .eq127: xor rcx, rcx mov rcx, "^?" |