| 6,59 → 6,34 |
|---|
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| align 4 |
| pic_delay: |
| |
| jmp pdl1 |
| pdl1: ret |
| |
| align 4 |
| rerouteirqs: |
| |
| cli |
| |
| mov al,0x11 ; icw4, edge triggered |
| out 0x20,al |
| call pic_delay |
| out 0xA0,al |
| call pic_delay |
| |
| mov al,0x20 ; generate 0x20 + |
| out 0x21,al |
| call pic_delay |
| mov al,0x28 ; generate 0x28 + |
| out 0xA1,al |
| call pic_delay |
| |
| mov al,0x04 ; slave at irq2 |
| out 0x21,al |
| call pic_delay |
| mov al,0x02 ; at irq9 |
| out 0xA1,al |
| call pic_delay |
| |
| mov al,0x01 ; 8086 mode |
| out 0x21,al |
| call pic_delay |
| out 0xA1,al |
| call pic_delay |
| |
| mov al,255 ; mask all irq's |
| out 0xA1,al |
| call pic_delay |
| out 0x21,al |
| call pic_delay |
| |
| mov ecx,0x1000 |
| cld |
| picl1: call pic_delay |
| loop picl1 |
| |
| mov al,255 ; mask all irq's |
| out 0xA1,al |
| call pic_delay |
| out 0x21,al |
| call pic_delay |
| |
| ret |
| |
| |