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hp2622a: Add screen parameters (nw)

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This commit is contained in:
AJR 2017-12-18 13:53:06 -05:00
parent a727c415e8
commit d0e04b4e69
1 changed files with 12 additions and 0 deletions
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12
src/mame/drivers/hp2620.cpp
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@ -11,6 +11,7 @@ Skeleton driver for HP-2620 series display terminals.
#include "machine/mos6551.h"
#include "machine/nvram.h"
//#include "video/dp8350.h"
#include "screen.h"
class hp2620_state : public driver_device
{
@ -24,6 +25,7 @@ public:
DECLARE_READ8_MEMBER(nvram_r);
DECLARE_WRITE8_MEMBER(nvram_w);
u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
private:
required_device<cpu_device> m_maincpu;
@ -32,6 +34,11 @@ private:
};
u32 hp2620_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
return 0;
}
READ8_MEMBER(hp2620_state::nvram_r)
{
return 0xf0 | m_nvram[offset];
@ -49,6 +56,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, AS_PROGRAM, 8, hp2620_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x7f) AM_READWRITE(nvram_r, nvram_w) AM_SHARE("nvram")
AM_RANGE(0x80, 0x80) AM_READNOP
AM_RANGE(0xa8, 0xab) AM_DEVWRITE("acia", mos6551_device, write)
AM_RANGE(0xac, 0xaf) AM_DEVREAD("acia", mos6551_device, read)
ADDRESS_MAP_END
@ -63,6 +71,10 @@ static MACHINE_CONFIG_START( hp2622 )
MCFG_NVRAM_ADD_0FILL("nvram") // 5101 (A7 tied to GND) + battery (+ wait states)
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_RAW_PARAMS(XTAL_25_7715MHz, 1035, 0, 720, 415, 0, 390) // 498 total lines in 50 Hz mode
MCFG_SCREEN_UPDATE_DRIVER(hp2620_state, screen_update)
//MCFG_DEVICE_ADD("crtc", DP8367, XTAL_25_7715MHz)
MCFG_DEVICE_ADD("acia", MOS6551, 0) // SY6551