42 lines
1.3 KiB
C#
42 lines
1.3 KiB
C#
namespace BizHawk.Emulation.Cores.Computers.Commodore64.MOS
|
|
{
|
|
// vic ntsc old
|
|
public static class Chip6567R56A
|
|
{
|
|
private static readonly int Cycles = 64;
|
|
private static readonly int ScanWidth = Cycles * 8;
|
|
private static readonly int Lines = 262;
|
|
private static readonly int Vblankstart = 0x00D % Lines;
|
|
private static readonly int VblankEnd = 0x018 % Lines;
|
|
private static readonly int HblankOffset = 24;
|
|
private static readonly int HblankStart = (0x18C + HblankOffset) % ScanWidth;
|
|
private static readonly int HblankEnd = (0x1F0 + HblankOffset) % ScanWidth;
|
|
|
|
private static readonly int[] Timing = Vic.TimingBuilder_XRaster(0x19C, 0x200, ScanWidth, -1, -1);
|
|
private static readonly int[] Fetch = Vic.TimingBuilder_Fetch(Timing, 0x16C);
|
|
private static readonly int[] Ba = Vic.TimingBuilder_BA(Fetch);
|
|
private static readonly int[] Act = Vic.TimingBuilder_Act(Timing, 0x004, 0x154, 0x164);
|
|
|
|
private static readonly int[][] Pipeline =
|
|
{
|
|
Timing,
|
|
Fetch,
|
|
Ba,
|
|
Act
|
|
};
|
|
|
|
public static Vic Create(C64.BorderType borderType)
|
|
{
|
|
return new Vic(
|
|
Cycles, Lines,
|
|
Pipeline,
|
|
14318181 / 14,
|
|
HblankStart, HblankEnd,
|
|
Vblankstart, VblankEnd,
|
|
borderType,
|
|
762,
|
|
1000);
|
|
}
|
|
}
|
|
}
|