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C64: Add sprite crunch table.

This commit is contained in:
SaxxonPike 2019-07-25 14:25:48 -05:00
parent cd7ea15ce5
commit 9f638ec1c2
1 changed files with 25 additions and 0 deletions
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25
BizHawk.Emulation.Cores/Computers/Commodore64/MOS/Vic.Parse.cs
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@ -2,6 +2,31 @@
{
public sealed partial class Vic
{
// source: https://www.linusakesson.net/programming/vic-timing/victiming.pdf
private static readonly byte[] SpriteCrunchTable = {
0x01, 0x05, 0x02,
0x07, 0x05, 0x05,
0x05, 0x07, 0x09,
0x0D, 0x0A, 0x0F,
0x0D, 0x15, 0x15,
0x17, 0x11, 0x15,
0x12, 0x17, 0x15,
0x15, 0x15, 0x17,
0x19, 0x1D, 0x1A,
0x1F, 0x1D, 0x15,
0x15, 0x17, 0x21,
0x25, 0x22, 0x27,
0x25, 0x25, 0x25,
0x27, 0x29, 0x2D,
0x2A, 0x2F, 0x2D,
0x35, 0x35, 0x37,
0x31, 0x35, 0x32,
0x37, 0x35, 0x35,
0x35, 0x37, 0x39,
0x3D, 0x3A, 0x3F,
0x3D, 0x15, 0x15
};
private const int BaResetCounter = 3;
private const int PipelineUpdateVc = 0x00000001; // vc/rc rule 2
private const int PipelineSpriteCrunch = 0x00000002;