(nw) mes : added devices
Robbbert
parent
7af583d188
commit
be0729de3e
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@ -16,7 +16,6 @@ When it says DIAGNOSTIC RAZ P, press enter.
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#include "machine/z80sio.h"
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#include "machine/clock.h"
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#include "bus/rs232/rs232.h"
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#include "machine/keyboard.h"
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#include "screen.h"
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class k8915_state : public driver_device
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@ -2,14 +2,18 @@
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// copyright-holders:Robbbert
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/***************************************************************************
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Schleicher MES
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Schleicher MES
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30/08/2010 Skeleton driver
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2010-08-30 Skeleton driver
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****************************************************************************/
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#include "emu.h"
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#include "cpu/z80/z80.h"
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#include "machine/z80ctc.h"
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#include "machine/z80pio.h"
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#include "machine/z80sio.h"
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#include "machine/keyboard.h"
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#include "screen.h"
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@ -24,8 +28,13 @@ public:
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{ }
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uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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void kbd_put(u8 data);
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DECLARE_READ8_MEMBER(port00_r);
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DECLARE_READ8_MEMBER(port08_r);
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private:
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u8 m_term_data;
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u8 m_port08;
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virtual void machine_reset() override;
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required_device<cpu_device> m_maincpu;
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required_shared_ptr<uint8_t> m_p_videoram;
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@ -33,16 +42,32 @@ private:
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};
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READ8_MEMBER( mes_state::port00_r )
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{
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u8 ret = m_term_data;
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m_term_data = 0;
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return ret;
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}
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static ADDRESS_MAP_START(mes_mem, AS_PROGRAM, 8, mes_state)
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READ8_MEMBER( mes_state::port08_r )
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{
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return m_port08 | (m_term_data ? 0x80 : 0);
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}
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static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8, mes_state )
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x0000, 0x0fff) AM_ROM
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AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION("roms", 0)
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AM_RANGE(0x1000, 0xefff) AM_RAM
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AM_RANGE(0xf000, 0xffff) AM_RAM AM_SHARE("videoram")
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( mes_io, AS_IO, 8, mes_state)
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static ADDRESS_MAP_START( io_map, AS_IO, 8, mes_state )
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE(0x00, 0x00) AM_READ(port00_r)
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AM_RANGE(0x08, 0x08) AM_READ(port08_r)
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AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE("ctc", z80ctc_device, read, write)
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AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("sio", z80sio_device, cd_ba_r, cd_ba_w)
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AM_RANGE(0x18, 0x1b) AM_DEVREADWRITE("pio", z80pio_device, read, write)
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ADDRESS_MAP_END
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/* Input ports */
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@ -51,17 +76,16 @@ INPUT_PORTS_END
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void mes_state::machine_reset()
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{
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m_port08 = 0;
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m_term_data = 0;
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}
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/* This system appears to have 2 screens. Not implemented.
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Also the screen dimensions are a guess. */
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uint32_t mes_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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//static uint8_t framecnt=0;
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uint8_t y,ra,chr,gfx;
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uint16_t sy=0,ma=0,x,xx;
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//framecnt++;
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uint16_t sy=0,ma=0,x;
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for (y = 0; y < 25; y++)
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{
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@ -69,23 +93,15 @@ uint32_t mes_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, c
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{
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uint16_t *p = &bitmap.pix16(sy++);
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xx = ma;
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for (x = ma; x < ma + 80; x++)
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{
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gfx = 0;
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if (ra < 9)
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{
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chr = m_p_videoram[xx++];
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// /* Take care of flashing characters */
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// if ((chr < 0x80) && (framecnt & 0x08))
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// chr |= 0x80;
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if (chr & 0x80) // ignore attribute bytes
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x--;
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else
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gfx = m_p_chargen[(chr<<4) | ra ];
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chr = m_p_videoram[x];
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gfx = m_p_chargen[(chr<<4) | ra ];
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}
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/* Display a scanline of a character */
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*p++ = BIT(gfx, 7);
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*p++ = BIT(gfx, 6);
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@ -102,11 +118,16 @@ uint32_t mes_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, c
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return 0;
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}
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void mes_state::kbd_put(u8 data)
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{
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m_term_data = data;
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}
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static MACHINE_CONFIG_START( mes )
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/* basic machine hardware */
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MCFG_CPU_ADD("maincpu", Z80, XTAL_16MHz / 4)
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MCFG_CPU_PROGRAM_MAP(mes_mem)
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MCFG_CPU_IO_MAP(mes_io)
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MCFG_CPU_PROGRAM_MAP(mem_map)
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MCFG_CPU_IO_MAP(io_map)
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/* video hardware */
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MCFG_SCREEN_ADD("screen", RASTER)
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@ -118,15 +139,22 @@ static MACHINE_CONFIG_START( mes )
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MCFG_SCREEN_PALETTE("palette")
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MCFG_PALETTE_ADD_MONOCHROME("palette")
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MCFG_DEVICE_ADD("ctc", Z80CTC, 0)
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MCFG_DEVICE_ADD("pio", Z80PIO, 0)
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MCFG_DEVICE_ADD("sio", Z80SIO, 0)
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MCFG_DEVICE_ADD("keybd", GENERIC_KEYBOARD, 0)
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MCFG_GENERIC_KEYBOARD_CB(PUT(mes_state, kbd_put))
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MACHINE_CONFIG_END
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/* ROM definition */
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ROM_START( mes )
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ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
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ROM_REGION( 0x1000, "roms", ROMREGION_ERASEFF )
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ROM_LOAD( "mescpu.bin", 0x0000, 0x1000, CRC(b6d90cf4) SHA1(19e608af5bdaabb00a134e1106b151b00e2a0b04))
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ROM_REGION( 0x10000, "xebec", ROMREGION_ERASEFF )
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ROM_REGION( 0x2000, "xebec", ROMREGION_ERASEFF )
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ROM_LOAD( "mesxebec.bin", 0x0000, 0x2000, CRC(061b7212) SHA1(c5d600116fb7563c69ebd909eb9613269b2ada0f))
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/* character generator not dumped, using the one from 'c10' for now */
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