Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-06-06 12:53:46 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

(MESS) mackbd: dumped correct ROM, prep for actual emulation [Lord Nightmare, R. Belmont]

Browse Source
This commit is contained in:
R. Belmont 2012-12-16 03:35:50 +00:00
parent fb31a90efb
commit dac144a74b
2 changed files with 57 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
src/mess/machine/mackbd.c
View File

@ -44,6 +44,8 @@
---x Data to Mac
The T1 line is "Option".
There is a later M0110 keyboard version which uses a GI PIC1657; we do not have a dump of that version.
*/
@ -63,10 +65,12 @@
const device_type MACKBD = &device_creator<mackbd_device>;
// typed in from the listing in the above-cited "IM Underground", but the PDF on Bitsavers is missing a page :(
ROM_START( mackbd )
ROM_REGION(0x400, MACKBD_CPU_TAG, 0)
ROM_LOAD( "mackbd.bin", 0x0000, 0x0400, BAD_DUMP CRC(c9af25a5) SHA1(4a6f81da036b071d2ea090cbde78e11c43a3b3b3) )
ROM_REGION(0x800, MACKBD_CPU_TAG, 0)
// original Mac keyboard and optional external keypad
ROM_LOAD( "ip8021h_2173.bin", 0x000000, 0x000400, CRC(5fbd9a94) SHA1(32a3b58afb445a8675b12a4de3aec2fa00c99222) )
// Mac Plus all-in-one keyboard (not yet supported)
ROM_LOAD( "341-0332-a.bin", 0x000400, 0x000400, CRC(6554f5b6) SHA1(a80404a122d74721cda13b285c412057c2c78bd7) )
ROM_END
//-------------------------------------------------
@ -74,7 +78,15 @@ ROM_END
//-------------------------------------------------
static ADDRESS_MAP_START( mackbd_map, AS_PROGRAM, 8, mackbd_device )
// AM_RANGE(0x0000, 0x03ff) AM_ROM AM_REGION(MACKBD_CPU_TAG, 0)
AM_RANGE(0x0000, 0x03ff) AM_ROM AM_REGION(MACKBD_CPU_TAG, 0)
ADDRESS_MAP_END
static ADDRESS_MAP_START( mackbd_io_map, AS_IO, 8, mackbd_device )
AM_RANGE(MCS48_PORT_BUS, MCS48_PORT_BUS) AM_READ(p0_r)
AM_RANGE(0x2f, 0x2f) AM_WRITE(p0_w)
AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READWRITE(p1_r, p1_w)
AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READWRITE(p2_r, p2_w)
AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(t1_r)
ADDRESS_MAP_END
//-------------------------------------------------
@ -84,7 +96,7 @@ ADDRESS_MAP_END
static MACHINE_CONFIG_FRAGMENT( mackbd )
MCFG_CPU_ADD(MACKBD_CPU_TAG, I8021, 100000) // "100,000 operations per second"?
MCFG_CPU_PROGRAM_MAP(mackbd_map)
MCFG_DEVICE_DISABLE()
MCFG_CPU_IO_MAP(mackbd_io_map)
MACHINE_CONFIG_END
@ -140,3 +152,35 @@ void mackbd_device::device_config_complete()
m_shortname = "mackbd";
}
READ8_MEMBER(mackbd_device::p0_r)
{
return 0x20; // 0x20 indicates we're a keyboard rather than the keypad
}
WRITE8_MEMBER(mackbd_device::p0_w)
{
}
READ8_MEMBER(mackbd_device::p1_r)
{
return 0;
}
WRITE8_MEMBER(mackbd_device::p1_w)
{
}
READ8_MEMBER(mackbd_device::p2_r)
{
return 0;
}
WRITE8_MEMBER(mackbd_device::p2_w)
{
}
READ8_MEMBER(mackbd_device::t1_r)
{
return 0;
}

8
src/mess/machine/mackbd.h
View File

@ -38,6 +38,14 @@ public:
// construction/destruction
mackbd_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_READ8_MEMBER(p0_r);
DECLARE_WRITE8_MEMBER(p0_w);
DECLARE_READ8_MEMBER(p1_r);
DECLARE_WRITE8_MEMBER(p1_w);
DECLARE_READ8_MEMBER(p2_r);
DECLARE_WRITE8_MEMBER(p2_w);
DECLARE_READ8_MEMBER(t1_r);
protected:
// device-level overrides
virtual void device_start();