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fidel68k: accurate irq handling (nw)

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hap 2017-01-14 17:56:54 +01:00
parent 19529fe768
commit 912859f6ba
2 changed files with 8 additions and 8 deletions
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8
src/mame/drivers/fidel68k.cpp
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@ -576,7 +576,9 @@ static MACHINE_CONFIG_START( eag, fidel68k_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz)
MCFG_CPU_PROGRAM_MAP(eag_map)
MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, XTAL_4_9152MHz/0x2000) // 600hz
MCFG_TIMER_DRIVER_ADD_PERIODIC("irq_on", fidel68k_state, irq_on, attotime::from_hz(XTAL_4_9152MHz/0x2000))
MCFG_TIMER_START_DELAY(attotime::from_hz(XTAL_4_9152MHz/0x2000) - attotime::from_nsec(8250)) // active for 8.25us
MCFG_TIMER_DRIVER_ADD_PERIODIC("irq_off", fidel68k_state, irq_off, attotime::from_hz(XTAL_4_9152MHz/0x2000))
MCFG_NVRAM_ADD_1FILL("nvram")
@ -605,7 +607,6 @@ static MACHINE_CONFIG_DERIVED( eagv7, eag )
/* basic machine hardware */
MCFG_CPU_REPLACE("maincpu", M68020, XTAL_20MHz)
MCFG_CPU_PROGRAM_MAP(eagv7_map)
MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, XTAL_4_9152MHz/0x2000) // 600hz
MCFG_RAM_REMOVE("ram")
MACHINE_CONFIG_END
@ -615,7 +616,6 @@ static MACHINE_CONFIG_DERIVED( eagv9, eagv7 )
/* basic machine hardware */
MCFG_CPU_REPLACE("maincpu", M68030, XTAL_32MHz)
MCFG_CPU_PROGRAM_MAP(eagv7_map)
MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, XTAL_4_9152MHz/0x2000) // 600hz
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( eagv10, eagv7 )
@ -623,7 +623,6 @@ static MACHINE_CONFIG_DERIVED( eagv10, eagv7 )
/* basic machine hardware */
MCFG_CPU_REPLACE("maincpu", M68040, XTAL_25MHz)
MCFG_CPU_PROGRAM_MAP(eagv11_map)
MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, XTAL_4_9152MHz/0x2000) // 600hz
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( eagv11, eagv7 )
@ -631,7 +630,6 @@ static MACHINE_CONFIG_DERIVED( eagv11, eagv7 )
/* basic machine hardware */
MCFG_CPU_REPLACE("maincpu", M68EC040, XTAL_36MHz*2*2) // wrong! should be M68EC060 @ 72MHz
MCFG_CPU_PROGRAM_MAP(eagv11_map)
MCFG_CPU_PERIODIC_INT_DRIVER(fidel68k_state, irq2_line_hold, XTAL_4_9152MHz/0x2000) // 600hz
MACHINE_CONFIG_END

8
src/mame/drivers/novag6502.cpp
View File

@ -17,7 +17,7 @@
- sforte/sexpert optional ACIA (only works in version C?)
- printer port
-------------------------------------------------------------------------------
******************************************************************************
Super Constellation Chess Computer (model 844):
- UMC UM6502C @ 4 MHz (8MHz XTAL), 600Hz? IRQ(source unknown?)
@ -25,12 +25,14 @@ Super Constellation Chess Computer (model 844):
- TTL, buzzer, 24 LEDs, 8*8 chessboard buttons
- external ports for clock and printer, not emulated here
-------------------------------------------------------------------------------
******************************************************************************
Constellation Forte:
- x
-------------------------------------------------------------------------------
******************************************************************************
Super Expert (model 878/887/902):
- 65C02 @ 5MHz or 6MHz (10MHz or 12MHz XTAL)