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| author | Arne <78976058+4rneee@users.noreply.github.com> | 2024-11-24 17:58:19 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-24 17:58:19 +0100 |
| commit | cf09c58448023a44dcb452dc331efeadd8b1f27e (patch) | |
| tree | a644d20118c873aa850a9d23aaf29101bf1070fb /src/main.asm | |
| parent | 5100ff9dd79f0131064de0a5f2e777e7cd485ea5 (diff) | |
| download | x86_64-Snake-cf09c58448023a44dcb452dc331efeadd8b1f27e.tar.gz x86_64-Snake-cf09c58448023a44dcb452dc331efeadd8b1f27e.zip | |
Diffstat (limited to 'src/main.asm')
| -rw-r--r-- | src/main.asm | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/main.asm b/src/main.asm index ff509ed..548aaac 100644 --- a/src/main.asm +++ b/src/main.asm @@ -18,6 +18,11 @@ section .data timespec dq 0 dq 250000000 + sigaction dq 0 ; sa_handler + dq 0 ; sa_flags + dq 0 ; sa_restorer + dq 0 ; sa_mask + section .rodata ; width and height of the playable area ; (without the borders) @@ -227,8 +232,24 @@ _loop_through_snake: _loop_return: ret +_set_interrupt_handler: + ; set sa_handler and sa_flags + lea rax, [exit] + mov [sigaction], rax + mov qword [sigaction + 8], 0x04000000 ; SA_RESTORER + + mov rax, 0xD ; rt_sigaction + mov rdi, 2 ; SIGINT + lea rsi, [sigaction] + xor rdx, rdx + mov r10, 8 ; sizeof(sigset_t) + syscall + + ret + _start: call set_terminal_options + call _set_interrupt_handler call clear_screen call draw_border call hide_cursor |