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-rw-r--r--5/seat_id.asm48
1 files changed, 48 insertions, 0 deletions
diff --git a/5/seat_id.asm b/5/seat_id.asm
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--- /dev/null
+++ b/5/seat_id.asm
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+global seat_id
+
+section .data
+
+section .text
+
+seat_id:
+ xor eax, eax ; set up return value
+ cmp BYTE [rdi], 66 ; B
+ sete al
+ shl eax, 1
+ xor ecx, ecx
+ cmp BYTE [rdi + 1], 66
+ sete cl
+ or eax, ecx
+ shl eax, 1
+ cmp BYTE [rdi + 2], 66
+ sete cl
+ or eax, ecx
+ shl eax, 1
+ cmp BYTE [rdi + 3], 66
+ sete cl
+ or eax, ecx
+ shl eax, 1
+ cmp BYTE [rdi + 4], 66
+ sete cl
+ or eax, ecx
+ shl eax, 1
+ cmp BYTE [rdi + 5], 66
+ sete cl
+ or eax, ecx
+ shl eax, 1
+ cmp BYTE [rdi + 6], 66
+ sete cl
+ or eax, ecx
+ shl eax, 1
+ cmp BYTE [rdi + 7], 82 ; R
+ sete cl
+ or eax, ecx
+ shl eax, 1
+ cmp BYTE [rdi + 8], 82
+ sete cl
+ or eax, ecx
+ shl eax, 1
+ cmp BYTE [rdi + 9], 82
+ sete cl
+ or eax, ecx
+ ret