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8155 skeleton copypasted from tourvis.c

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This commit is contained in:
Michaël Banaan Ananas 2012-04-02 22:09:53 +00:00
parent 6f0793d62c
commit 0410b92358
1 changed files with 38 additions and 15 deletions
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53
src/mame/drivers/paranoia.c
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@ -36,6 +36,7 @@ HuC6280A (Hudson)
#include "emu.h"
#include "cpu/z80/z80.h"
#include "cpu/i8085/i8085.h"
#include "machine/i8155.h"
#include "machine/pcecommn.h"
#include "video/vdc.h"
#include "cpu/h6280/h6280.h"
@ -83,23 +84,10 @@ static WRITE8_HANDLER( paranoia_8085_d000_w )
//logerror( "D000 (8085) write %02x\n", data );
}
static WRITE8_HANDLER( paranoia_8085_8155_w )
{
switch( offset )
{
case 0: logerror( "8155 Command register write %x, timer command = %x, interrupt enable = %x, ports = %x\n", data, (data >> 6) & 3, (data >> 4) & 3, data & 0xf ); break;
case 1: logerror( "8155 I/O Port A write %x\n", data ); break;
case 2: logerror( "8155 I/O Port B write %x\n", data ); break;
case 3: logerror( "8155 I/O Port C (or control) write %x\n", data ); break;
case 4: logerror( "8155 Timer low 8 bits write %x\n", data ); break;
case 5: logerror( "8155 Timer high 6 bits write %x, timer mode %x\n", data & 0x3f, (data >> 6) & 3); break;
}
}
static ADDRESS_MAP_START(paranoia_8085_map, AS_PROGRAM, 8, paranoia_state )
AM_RANGE( 0x0000, 0x7fff) AM_ROM
AM_RANGE( 0x8000, 0x80ff) AM_RAM
AM_RANGE( 0x8100, 0x8105) AM_WRITE_LEGACY(paranoia_8085_8155_w )
AM_RANGE( 0x8000, 0x80ff) AM_DEVREADWRITE("i8155", i8155_device, memory_r, memory_w)
AM_RANGE( 0x8100, 0x8107) AM_DEVREADWRITE("i8155", i8155_device, io_r, io_w)
AM_RANGE( 0xd000, 0xd000) AM_WRITE_LEGACY(paranoia_8085_d000_w )
AM_RANGE( 0xe000, 0xe1ff) AM_RAM
ADDRESS_MAP_END
@ -139,6 +127,39 @@ static ADDRESS_MAP_START(paranoia_z80_io_map, AS_IO, 8, paranoia_state )
AM_RANGE( 0x37, 0x37 ) AM_WRITE_LEGACY(paranoia_z80_io_37_w )
ADDRESS_MAP_END
static WRITE8_DEVICE_HANDLER(paranoia_i8155_a_w)
{
//logerror("i8155 Port A: %02X\n", data);
}
static WRITE8_DEVICE_HANDLER(paranoia_i8155_b_w)
{
//logerror("i8155 Port B: %02X\n", data);
}
static WRITE8_DEVICE_HANDLER(paranoia_i8155_c_w)
{
//logerror("i8155 Port C: %02X\n", data);
}
static WRITE_LINE_DEVICE_HANDLER(paranoia_i8155_timer_out)
{
//cputag_set_input_line(device->machine(), "sub", I8085_RST55_LINE, state ? CLEAR_LINE : ASSERT_LINE );
//logerror("Timer out %d\n", state);
}
static I8155_INTERFACE(i8155_intf)
{
// all ports set to output
DEVCB_NULL,
DEVCB_HANDLER(paranoia_i8155_a_w),
DEVCB_NULL,
DEVCB_HANDLER(paranoia_i8155_b_w),
DEVCB_NULL,
DEVCB_HANDLER(paranoia_i8155_c_w),
DEVCB_LINE(paranoia_i8155_timer_out)
};
static const c6280_interface c6280_config =
{
"maincpu"
@ -161,6 +182,8 @@ static MACHINE_CONFIG_START( paranoia, paranoia_state )
MCFG_CPU_PROGRAM_MAP(paranoia_z80_map)
MCFG_CPU_IO_MAP(paranoia_z80_io_map)
MCFG_I8155_ADD("i8155", 1000000 /*?*/, i8155_intf)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)