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d6809: Add some devices (nw)

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This commit is contained in:
AJR 2017-10-17 11:31:17 -04:00
parent 52d9affff1
commit 77aca96af7
1 changed files with 10 additions and 5 deletions
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15
src/mame/drivers/d6809.cpp
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@ -11,15 +11,15 @@ Chips used:
- 6809E CPU
- 6845 CRTC
- 6840 CTC
- 6551 UART Console
- 6551 UART Aux
- 6850 UART Unknown purpose
- 6551 ACIA Console
- 6551 ACIA Aux
- 6850 ACIA Unknown purpose
- uPD765 FDC
- 2764 8K ROM for CPU
- 2732 4K ROM for Chargen (not dumped)
- 6x 6264 RAM
- 3x 5516 RAM
- XTAL: 16MHz
- XTALs: 14.745MHz, 16MHz
So much for the official documentation.
@ -84,6 +84,7 @@ devices.
#include "emu.h"
#include "cpu/m6809/m6809.h"
#include "machine/mos6551.h"
#include "machine/terminal.h"
#define TERMINAL_TAG "terminal"
@ -123,6 +124,8 @@ WRITE8_MEMBER( d6809_state::term_w )
static ADDRESS_MAP_START( d6809_mem, AS_PROGRAM, 8, d6809_state )
ADDRESS_MAP_UNMAP_HIGH
// 00-FF is for various devices.
AM_RANGE(0x0000, 0x0003) AM_DEVREADWRITE("acia1", mos6551_device, read, write)
AM_RANGE(0x0004, 0x0007) AM_DEVREADWRITE("acia2", mos6551_device, read, write)
AM_RANGE(0x00ff, 0x00ff) AM_READWRITE(term_r,term_w)
AM_RANGE(0x1000, 0xdfff) AM_RAM
AM_RANGE(0xe000, 0xffff) AM_ROM
@ -146,9 +149,11 @@ void d6809_state::machine_reset()
static MACHINE_CONFIG_START( d6809 )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",M6809E, XTAL_4MHz)
MCFG_CPU_ADD("maincpu", M6809, XTAL_14_7456MHz / 8) // MC68B09EP
MCFG_CPU_PROGRAM_MAP(d6809_mem)
MCFG_DEVICE_ADD("acia1", MOS6551, XTAL_14_7456MHz / 8) // uses Q clock
MCFG_DEVICE_ADD("acia2", MOS6551, XTAL_14_7456MHz / 8) // uses Q clock
/* video hardware */
MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0)