42 lines
1.2 KiB
C#
42 lines
1.2 KiB
C#
namespace BizHawk.Emulation.Cores.Computers.Commodore64.MOS
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{
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// vic pal
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public static class Chip6569
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{
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private static readonly int Cycles = 63;
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private static readonly int ScanWidth = Cycles * 8;
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private static readonly int Lines = 312;
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private static readonly int VblankStart = 0x120 % Lines;
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private static readonly int VblankEnd = 0x00F % Lines;
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private static readonly int HblankOffset = 24;
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private static readonly int HblankStart = (0x178 + HblankOffset) % ScanWidth;
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private static readonly int HblankEnd = (0x1F0 + HblankOffset) % ScanWidth;
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private static readonly int[] Timing = Vic.TimingBuilder_XRaster(0x194, 0x1F8, ScanWidth, -1, -1);
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private static readonly int[] Fetch = Vic.TimingBuilder_Fetch(Timing, 0x164);
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private static readonly int[] Ba = Vic.TimingBuilder_BA(Fetch);
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private static readonly int[] Act = Vic.TimingBuilder_Act(Timing, 0x004, 0x14C, 0x164);
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private static readonly int[][] Pipeline =
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{
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Timing,
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Fetch,
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Ba,
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Act
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};
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public static Vic Create(C64.BorderType borderType)
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{
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return new Vic(
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Cycles, Lines,
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Pipeline,
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17734472 / 18,
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HblankStart, HblankEnd,
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VblankStart, VblankEnd,
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borderType,
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7375,
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7882);
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}
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}
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}
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