static void write_tandy_reg(Bit8u val) {
switch (vga.tandy.reg_index) {
case 0x0:
if (machine==MCH_PCJR) {
vga.tandy.mode_control=val;
VGA_SetBlinking(val & 0x20);
PCJr_FindMode();
} else LOG(LOG_VGAMISC,LOG_NORMAL)("Unhandled Write %2X to tandy reg %X",val,vga.tandy.reg_index);
case 0x2: /* Border color */
vga.tandy.border_color=val;
break;
case 0x3: /* More control */
vga.tandy.gfx_control=val;
if (machine==MCH_TANDY) TANDY_FindMode();
else PCJr_FindMode();
break;
/* palette colors */
case 0x10: case 0x11: case 0x12: case 0x13:
case 0x14: case 0x15: case 0x16: case 0x17:
case 0x18: case 0x19: case 0x1a: case 0x1b:
case 0x1c: case 0x1d: case 0x1e: case 0x1f:
VGA_ATTR_SetPalette(vga.tandy.reg_index-0x10,val & 0xf);
break;
default:
LOG(LOG_VGAMISC,LOG_NORMAL)("Unhandled Write %2X to tandy reg %X",val,vga.tandy.reg_index);
}
}
static void write_tandy_reg(Bit8u val) {
switch (vga.tandy.reg_index) {
case 0x0:
if (machine==MCH_PCJR) {
vga.tandy.mode_control=val;
VGA_SetBlinking(val & 0x20);
PCJr_FindMode();
} else {
LOG(LOG_VGAMISC,LOG_NORMAL)("Unhandled Write %2X to tandy reg %X",val,vga.tandy.reg_index);
}
break;
case 0x2: /* Border color */
vga.tandy.border_color=val;
break;
case 0x3: /* More control */
vga.tandy.gfx_control=val;
if (machine==MCH_TANDY) TANDY_FindMode();
else PCJr_FindMode();
break;
case 0x5: /* Extended ram page register */
// Bit 0 enables extended ram
// Bit 7 Switches clock, 0 -> cga 28.6 , 1 -> mono 32.5
vga.tandy.extended_ram = val;
//This is a bit of a hack to enable mapping video memory differently for highres mode
TandyCheckLineMask();
VGA_SetupHandlers();
break;
case 0x8: /* Monitor mode seletion */
//Bit 1 select mode e, for 640x200x16, some double clocking thing?
//Bit 4 select 350 line mode for hercules emulation
LOG(LOG_VGAMISC,LOG_NORMAL)("Write %2X to tandy monitor mode",val );
break;
/* palette colors */
case 0x10: case 0x11: case 0x12: case 0x13:
case 0x14: case 0x15: case 0x16: case 0x17:
case 0x18: case 0x19: case 0x1a: case 0x1b:
case 0x1c: case 0x1d: case 0x1e: case 0x1f:
VGA_ATTR_SetPalette(vga.tandy.reg_index-0x10,val & 0xf);
break;
default:
LOG(LOG_VGAMISC,LOG_NORMAL)("Unhandled Write %2X to tandy reg %X",val,vga.tandy.reg_index);
}
}
