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apple2: properly handle ProDOS-order Microsoft CP/M boot disk [R. Belmont]

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This commit is contained in:
arbee 2015-01-31 22:26:30 -05:00
parent 4a18ab8682
commit 0d5783fd85
1 changed files with 5 additions and 0 deletions
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5
src/lib/formats/ap2_dsk.c
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@ -615,6 +615,7 @@ bool a2_16sect_format::load(io_generic *io, UINT32 form_factor, floppy_image *im
static const unsigned char dos33_block1[4] = { 0xa2, 0x02, 0x8e, 0x52 };
static const unsigned char sos_block1[4] = { 0xc9, 0x20, 0xf0, 0x3e };
static const unsigned char a3a2emul_block1[6] = { 0x8d, 0xd0, 0x03, 0x4c, 0xc7, 0xa4 };
static const unsigned char cpm22_block1[8] = { 0xa2, 0x55, 0xa9, 0x00, 0x9d, 0x00, 0x0d, 0xca };
io_generic_read(io, sector_data, fpos, 256*16);
@ -656,6 +657,10 @@ bool a2_16sect_format::load(io_generic *io, UINT32 form_factor, floppy_image *im
m_prodos_order = true;
} // check for a later version of the Pascal boot block
else if (!memcmp(pascal2_block1, &sector_data[0x100], 4))
{
m_prodos_order = true;
} // check for CP/M disks in ProDOS order
else if (!memcmp(cpm22_block1, &sector_data[0x100], 8))
{
m_prodos_order = true;
}