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t10mmc: add missing header bytes to mode sense, fixes audio playing with common dos cdrom drivers (nw)

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cracyc 2018-06-03 20:08:13 -05:00
parent 1c9092981c
commit 0dc611e2a9
1 changed files with 29 additions and 27 deletions
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56
src/devices/machine/t10mmc.cpp
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@ -713,39 +713,41 @@ void t10mmc::ReadData( uint8_t *data, int dataLength )
switch (command[2] & 0x3f)
{
case 0xe: // CD Audio control page
data[0] = 0x8e; // page E, parameter is savable
data[1] = 0x0e; // page length
data[2] = (1 << 2) | (m_sotc << 1); // IMMED = 1
data[3] = data[4] = data[5] = data[6] = data[7] = 0; // reserved
data[1] = 0x0e + 8;
data[0+8] = 0x8e; // page E, parameter is savable
data[1+8] = 0x0e; // page length
data[2+8] = (1 << 2) | (m_sotc << 1); // IMMED = 1
data[3+8] = data[4+8] = data[5+8] = data[6+8] = data[7+8] = 0; // reserved
// connect each audio channel to 1 output port
data[8] = 1;
data[10] = 2;
data[12] = 4;
data[14] = 8;
data[8+8] = 1;
data[10+8] = 2;
data[12+8] = 4;
data[14+8] = 8;
// indicate max volume
data[9] = data[11] = data[13] = data[15] = 0xff;
data[9+8] = data[11+8] = data[13+8] = data[15+8] = 0xff;
break;
case 0x2a: // Page capabilities
data[0] = 0x2a;
data[1] = 0x14; // page length
data[2] = 0x00; data[3] = 0x00; // CD-R only
data[4] = 0x01; // can play audio
data[5] = 0;
data[6] = 0;
data[7] = 0;
data[8] = 0x02; data[9] = 0xc0; // 4x speed
data[10] = 0;
data[11] = 2; // two volumen levels
data[12] = 0x00; data[13] = 0x00; // buffer
data[14] = 0x02; data[15] = 0xc0; // 4x read speed
data[16] = 0;
data[17] = 0;
data[18] = 0;
data[19] = 0;
data[20] = 0;
data[21] = 0;
data[1] = 0x14 + 8;
data[0+8] = 0x2a;
data[1+8] = 0x14; // page length
data[2+8] = 0x00; data[3+8] = 0x00; // CD-R only
data[4+8] = 0x01; // can play audio
data[5+8] = 0;
data[6+8] = 0;
data[7+8] = 0;
data[8+8] = 0x02; data[9+8] = 0xc0; // 4x speed
data[10+8] = 0;
data[11+8] = 2; // two volumen levels
data[12+8] = 0x00; data[13+8] = 0x00; // buffer
data[14+8] = 0x02; data[15+8] = 0xc0; // 4x read speed
data[16+8] = 0;
data[17+8] = 0;
data[18+8] = 0;
data[19+8] = 0;
data[20+8] = 0;
data[21+8] = 0;
break;
default: