static void mira(void)
{
if((tkcom[0]&0x20&&is209)||is211)
{
int x;
if(tkcom[0]&0x40) // Name tables are ROM-only
{
for(x=0;x<4;x++)
setntamem(CHRptr[0]+(((names[x])&CHRmask1[0])<<10),0,x);
}
else // Name tables can be RAM or ROM.
{
for(x=0;x<4;x++)
{
if((tkcom[1]&0x80)==(names[x]&0x80)) // RAM selected.
setntamem(NTARAM+((names[x]&0x1)<<10),1,x);
else
setntamem(CHRptr[0]+(((names[x])&CHRmask1[0])<<10),0,x);
}
}
}
else
{
switch(tkcom[1]&3)
{
case 0: setmirror(MI_V); break;
case 1: setmirror(MI_H); break;
case 2: setmirror(MI_0); break;
case 3: setmirror(MI_1); break;
}
}
}
static void FASTAPASS(2) DoNTARAMROM(int w, uint8 V)
{
NTAPage[w]=V;
if(V>=0xE0)
setntamem(NTARAM+((V&1)<<10), 1, w);
else
{
V&=CHRmask1[0];
setntamem(CHRptr[0]+(V<<10), 0, w);
}
}
static void FASTAPASS(2) DoNTARAMROM(int w, uint8 V)
{
NTAPage[w]=V;
//if(V>=0xE0)
// setntamem(NTARAM+((V&1)<<10), 1, w);
//printf("%d, %02x\n",w,V);
//printf("%02x, %02x\n",((gorko>>(6+(w>>1)))&1),V);
if(V>=0xE0)
setntamem(NTARAM+((V&1)<<10), 1, w);
else
{
V&=CHRmask1[0];
setntamem(CHRptr[0]+(V<<10), 0, w);
}
}
static void Sync(void) {
// bit 7 controls green LED
// bit 6 controls red LED
int nt = (reg & 0x20) ? 8192 : 0; // bit 5 controls 8k nametable page
int chr = (reg & 0x10) ? 1 : 0; // bit 4 selects 8k CHR page
int prg = (reg & 0x0F); // bits 0-3 select 32k PRG page
nt += (16 * 1024);
for (int n=0; n<4; ++n)
{
setntamem(CHRRAM + nt + (1024 * n),1,n);
}
setchr8r(0x10, chr);
uint32 prg_chip = flash ? 0x10 : 0;
setprg32r(prg_chip,0x8000,prg);
}
