Created
January 6, 2012 16:02
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16 bit 486 escape key detect
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| kb_chk_esc: | |
| xor ax, ax | |
| mov ah, 1 ; get keystroke status | |
| int 0x16 | |
| jz kb_chk_end ; no key | |
| mov ah, 0 ; get key | |
| int 0x16 | |
| cmp al, 27 ; is it esc? | |
| jne kb_chk_end ; nope | |
| call exit ; yup | |
| kb_chk_end: | |
| ret |
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