Mercurial > hg > index.fcgi > lj > lj046
annotate src/gbaisr.iwram.c @ 3:17286938e22a
change DS alt. rotate key to rotate twice
| author | paulo@localhost |
|---|---|
| date | Wed, 08 Apr 2009 21:50:13 -0700 |
| parents | |
| children |
| rev | line source |
|---|---|
| paulo@0 | 1 #include "ljgba.h" |
| paulo@0 | 2 #define BIOS_IF (*(volatile unsigned short *)0x03FFFFF8) |
| paulo@0 | 3 |
| paulo@0 | 4 volatile int curTime = 0; |
| paulo@0 | 5 |
| paulo@0 | 6 void isr(void) { |
| paulo@0 | 7 unsigned int interrupts = REG_IF; |
| paulo@0 | 8 |
| paulo@0 | 9 if (interrupts & IRQ_VBLANK) { |
| paulo@0 | 10 ++curTime; |
| paulo@0 | 11 } |
| paulo@0 | 12 |
| paulo@0 | 13 BIOS_IF |= interrupts; |
| paulo@0 | 14 REG_IF = interrupts; |
| paulo@0 | 15 } |