void memorymap_registers_write(uint32 Addr, uint8 Value)
{
#ifdef DEBUG
printf("Addr 0x%.2x, Value 0x%.2x\n", Addr, Value);
#endif
memorymap_regs[Addr&0x1fff] = Value;
switch (Addr&0x1fff)
{
case 0x00:
case 0x01:
case 0x02:
case 0x03: gpu_write(Addr, Value);
break;
case 0x22: io_write(Addr, Value);
break;
case 0x23:
case 0x24: timer_write(Addr, Value);
break;
case 0x26:
//fprintf(log_get(), "memorymap: writing 0x%.2x to rom bank register\n", Value);
memorymap_lowerRomBank = memorymap_programRom + ((((uint32)Value) & 0x60) << 9);
memorymap_upperRomBank = memorymap_programRom + (memorymap_programRomSize==0x10000?0xc000:0x4000);
return;
case 0x27: //fprintf(log_get(), "regs: writing 0x%.2x from 0x%.4x\n", Value, Addr);
break;
case 0x10:
case 0x11:
case 0x12:
case 0x13: // ALEK
case 0x14:
case 0x15:
case 0x16:
case 0x17: // ALEK
#ifndef NOAUDIO
soundport_w(((Addr&0x4)>>2), Addr&3, Value); break;
#endif
//sound_write(Addr&7, Value); break;
case 0x28:
case 0x29:
case 0x2a:
#ifndef NOAUDIO
svision_noise_w(Addr&0x07, Value); break;
#endif
//sound_noise_write(Addr&0x07, Value); break;
case 0x18:
case 0x19:
case 0x1a:
case 0x1b:
case 0x1c:
#ifdef GP2X
if(currentConfig.enable_sound) sound_audio_dma(Addr&0x07, Value); break;
#else
svision_sounddma_w(Addr&0x07, Value); break;
#endif
break;
}
}
static WRITE8_HANDLER(svision_w)
{
int value;
int delay;
svision_reg[offset] = data;
switch (offset)
{
case 2:
case 3:
break;
case 0x26: /* bits 5,6 memory management for a000? */
logerror("%.6f svision write %04x %02x\n",timer_get_time(),offset,data);
memory_set_bankptr(1, memory_region(REGION_USER1) + ((svision_reg[0x26] & 0xe0) << 9));
svision_irq();
break;
case 0x23: /* delta hero irq routine write */
value = data;
if (!data)
value = 0x100;
if (BANK & 0x10)
delay = 16384;
else
delay = 256;
timer_enable(svision.timer1, TRUE);
timer_reset(svision.timer1, TIME_IN_CYCLES(value * delay, 0));
break;
case 0x10: case 0x11: case 0x12: case 0x13:
svision_soundport_w(svision_channel + 0, offset & 3, data);
break;
case 0x14: case 0x15: case 0x16: case 0x17:
svision_soundport_w(svision_channel + 1, offset & 3, data);
break;
case 0x18: case 0x19: case 0x1a: case 0x1b: case 0x1c:
svision_sounddma_w(offset - 0x18, data);
break;
case 0x28: case 0x29: case 0x2a:
svision_noise_w(offset - 0x28, data);
break;
default:
logerror("%.6f svision write %04x %02x\n", timer_get_time(), offset, data);
break;
}
}