diff options
Diffstat (limited to '2020/05/seat_id.asm')
| -rw-r--r-- | 2020/05/seat_id.asm | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/2020/05/seat_id.asm b/2020/05/seat_id.asm new file mode 100644 index 0000000..a372a9a --- /dev/null +++ b/2020/05/seat_id.asm @@ -0,0 +1,25 @@ +global seat_id + +section .text + +seat_id: + xor eax, eax ; set up return value + cmp BYTE [rdi], 'B' + sete al + xor ecx, ecx +%assign i 1 +%rep 6 + shl eax, 1 + cmp BYTE [rdi + i], 'B' + sete cl + or eax, ecx +%assign i i+1 +%endrep +%rep 3 + shl eax, 1 + cmp BYTE [rdi + i], 'R' + sete cl + or eax, ecx +%assign i i+1 +%endrep + ret |