From 0b2ad8185999c9d798ffd43a3c5d22a4f32d7a87 Mon Sep 17 00:00:00 2001 From: AJR Date: Fri, 5 Jan 2018 20:14:55 -0500 Subject: dialog80: Add screen and VTAC (nw) --- src/mame/drivers/ampex.cpp | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/src/mame/drivers/ampex.cpp b/src/mame/drivers/ampex.cpp index de32ba7e4b2..e13c238b208 100644 --- a/src/mame/drivers/ampex.cpp +++ b/src/mame/drivers/ampex.cpp @@ -14,6 +14,12 @@ Other: Beeper, 5x 10sw-dips. #include "emu.h" #include "cpu/z80/z80.h" +//#include "machine/ay31015.h" +//#include "machine/com8116.h" +#include "video/tms9927.h" +#include "screen.h" + +#define CHAR_WIDTH 7 class ampex_state : public driver_device { @@ -24,17 +30,25 @@ public: , m_p_chargen(*this, "chargen") { } + u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); + private: required_device m_maincpu; required_region_ptr m_p_chargen; }; +u32 ampex_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + return 0; +} + static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8, ampex_state ) AM_RANGE(0x0000, 0x2fff) AM_ROM AM_REGION("roms", 0) AM_RANGE(0x4000, 0x43ff) AM_RAM // main RAM AM_RANGE(0x4400, 0x57ff) AM_RAM // expansion RAM AM_RANGE(0x5841, 0x5841) AM_WRITENOP // ??? AM_RANGE(0x5842, 0x5842) AM_READNOP // ??? + AM_RANGE(0x5c00, 0x5c0f) AM_DEVREADWRITE("vtac", crt5037_device, read, write) AM_RANGE(0x8000, 0x9fff) AM_RAM AM_RANGE(0xc000, 0xcfff) AM_RAM // video RAM ADDRESS_MAP_END @@ -45,6 +59,15 @@ INPUT_PORTS_END static MACHINE_CONFIG_START( ampex ) MCFG_CPU_ADD("maincpu", Z80, 2'000'000) // no idea of clock. MCFG_CPU_PROGRAM_MAP(mem_map) + + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_RAW_PARAMS(XTAL_23_814MHz / 2, 105 * CHAR_WIDTH, 0, 80 * CHAR_WIDTH, 270, 0, 250) + MCFG_SCREEN_UPDATE_DRIVER(ampex_state, screen_update) + + // FIXME: dot clock should be divided by char width + MCFG_DEVICE_ADD("vtac", CRT5037, XTAL_23_814MHz / 2) + MCFG_TMS9927_CHAR_WIDTH(CHAR_WIDTH) + MCFG_VIDEO_SET_SCREEN("screen") MACHINE_CONFIG_END ROM_START( dialog80 ) -- cgit v1.2.3