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qvt102: Add correct clocks and more devices (nw)

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This commit is contained in:
AJR 2017-12-30 18:48:12 -05:00
parent d3e7be82a8
commit e569c9f7c4
1 changed files with 22 additions and 3 deletions
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25
src/mame/drivers/qvt6800.cpp
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@ -8,7 +8,11 @@ Skeleton driver for M6800-based display terminals by Qume.
#include "emu.h"
#include "cpu/m6800/m6800.h"
#include "cpu/mcs48/mcs48.h"
#include "machine/6850acia.h"
#include "machine/clock.h"
#include "machine/nvram.h"
#include "machine/z80ctc.h"
//#include "video/mc6845.h"
class qvt6800_state : public driver_device
@ -26,7 +30,8 @@ private:
};
static ADDRESS_MAP_START( qvt102_mem_map, AS_PROGRAM, 8, qvt6800_state )
AM_RANGE(0x0000, 0x03ff) AM_RAM
AM_RANGE(0x0000, 0x03ff) AM_RAM AM_SHARE("nvram")
AM_RANGE(0x2800, 0x2803) AM_DEVWRITE("ctc", z80ctc_device, write)
AM_RANGE(0x4000, 0x47ff) AM_RAM
//AM_RANGE(0x8000, 0x8000) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w)
//AM_RANGE(0x8001, 0x8001) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w)
@ -48,10 +53,24 @@ static INPUT_PORTS_START( qvt6800 )
INPUT_PORTS_END
static MACHINE_CONFIG_START( qvt102 )
MCFG_CPU_ADD("maincpu", M6800, 1'000'000)
MCFG_CPU_ADD("maincpu", M6800, XTAL_16_6698MHz / 18)
MCFG_CPU_PROGRAM_MAP(qvt102_mem_map)
MCFG_NVRAM_ADD_0FILL("nvram") // 2x TC5514-APL + 3V battery
//MCFG_DEVICE_ADD("crtc", MC6845, XTAL_16_6698MHz / 9)
MCFG_DEVICE_ADD("acia", ACIA6850, 0)
MCFG_DEVICE_ADD("ctc", Z80CTC, XTAL_16_6698MHz / 9)
MCFG_Z80CTC_ZC0_CB(DEVWRITELINE("acia", acia6850_device, write_txc))
MCFG_Z80CTC_ZC1_CB(DEVWRITELINE("acia", acia6850_device, write_rxc))
MCFG_DEVICE_ADD("ctcclk", CLOCK, XTAL_16_6698MHz / 18) // OR of CRTC CLK and ϕ1
MCFG_CLOCK_SIGNAL_HANDLER(DEVWRITELINE("ctc", z80ctc_device, trg0))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("ctc", z80ctc_device, trg1))
MCFG_CPU_ADD("kbdmcu", I8748, XTAL_6MHz)
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( qvt190 )
@ -81,7 +100,7 @@ ROM_START( qvt102 )
ROM_REGION(0x1000, "chargen", 0)
ROM_LOAD( "c3205m.u32", 0x0000, 0x1000, CRC(f6d86e87) SHA1(c0885e4a35095a730d760bf91a1cf4e8edd6a2bb) )
ROM_REGION(0x0400, "keyboard", 0)
ROM_REGION(0x0400, "kbdmcu", 0)
ROM_LOAD( "k301.u302", 0x0000, 0x0400, CRC(67564b20) SHA1(5897ff920f8fae4aa498d3a4dfd45b58183c041d) )
ROM_END