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C64: Format D64 sector headers with directory ID instead of A0/A0.

This commit is contained in:
SaxxonPike 2019-07-04 00:03:50 -05:00
parent ceb1338459
commit 0cdb28fc8f
1 changed files with 6 additions and 1 deletions
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7
BizHawk.Emulation.Cores/Computers/Commodore64/Media/D64.cs
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@ -7,6 +7,8 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Media
{ {
public static class D64 public static class D64
{ {
const int D64_DISK_ID_OFFSET = 0x165A2; // track 18, sector 0, 0xA2
private static readonly int[] DensityTable = private static readonly int[] DensityTable =
{ {
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
@ -154,6 +156,9 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Media
public static Disk Read(byte[] source) public static Disk Read(byte[] source)
{ {
var formatB = source[D64_DISK_ID_OFFSET + 0x00];
var formatA = source[D64_DISK_ID_OFFSET + 0x01];
using (var mem = new MemoryStream(source)) using (var mem = new MemoryStream(source))
{ {
var reader = new BinaryReader(mem); var reader = new BinaryReader(mem);
@ -191,7 +196,7 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Media
{ {
int bitsWritten; int bitsWritten;
var sectorData = reader.ReadBytes(256); var sectorData = reader.ReadBytes(256);
var diskData = ConvertSectorToGcr(sectorData, (byte)j, (byte)(i + 1), 0xA0, 0xA0, StandardSectorGapLength[DensityTable[i]], out bitsWritten); var diskData = ConvertSectorToGcr(sectorData, (byte)j, (byte)(i + 1), formatA, formatB, StandardSectorGapLength[DensityTable[i]], out bitsWritten);
trackMem.Write(diskData, 0, diskData.Length); trackMem.Write(diskData, 0, diskData.Length);
trackLengthBits += bitsWritten; trackLengthBits += bitsWritten;
} }