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| author | turret <turret@duck.com> | 2023-09-12 11:06:36 -0500 |
|---|---|---|
| committer | turret <turret@duck.com> | 2023-09-12 11:06:36 -0500 |
| commit | 593c9b4918c70d2d356c297120a3d77239dee41a (patch) | |
| tree | fc3305721b5bef991681c5a33e8785ab3349d0a2 | |
| parent | cacdc486f78940215c2b57092894777ac88e18a9 (diff) | |
| download | cat-593c9b4918c70d2d356c297120a3d77239dee41a.tar.gz cat-593c9b4918c70d2d356c297120a3d77239dee41a.tar.bz2 cat-593c9b4918c70d2d356c297120a3d77239dee41a.zip | |
cat: still unfinish impl + optimizations
| -rw-r--r-- | cat.s | 26 |
1 files changed, 13 insertions, 13 deletions
@@ -34,6 +34,7 @@ process_fd: mov [smallbuf], rcx mov rax, smallbuf call outpstring + jmp .skipnonprinting .skipshowends: ; SHOWNONPRINTING mov r11, r13 @@ -44,25 +45,24 @@ process_fd: and rcx, 0xff cmp rcx, 127 jge .showendsm - mov rcx, [r10] - and rcx, 0xff cmp rcx, 0x20 jge .skipnonprinting - ; carrot notation - cmp rcx, 10 - je .skipnonprinting -.showendsm: - ; M- notation - je .eq127 - xor rcx, rcx - mov rcx, "M-" + ; carrot notation (less than 0x20) + or rcx, 0x40 + ror rcx, 8 + or rcx, "^" + and rcx, 0xffff mov [smallbuf], rcx mov rax, smallbuf call outpstring - xor rcx, rcx - mov rcx, [r10] - and rcx, 0xff + jmp .skipnonprinting +.showendsm: + ; M- notation + je .eq127 sub rcx, 128 + ror rcx, 16 + or rcx, "M-" + and rcx, 0xffffff mov [smallbuf], rcx mov rax, smallbuf call outpstring |