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(mess) banctec: gfx layout for the R6545 character generator emulation
This commit is contained in:
Felipe Corrêa da Silva Sanches
parent
f92b65bddb
commit
ec47219e78
@ -1,52 +1,63 @@
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#include "emu.h"
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#include "cpu/m6805/m6805.h"
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#include "includes/banctec.h"
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#include "video/mc6845.h"
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static ADDRESS_MAP_START( banctec_mem , AS_PROGRAM, 8, banctec_state )
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AM_RANGE(0x0000, 0x1fff) AM_ROM
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AM_RANGE(0x2000, 0x7fff) AM_RAM /* Probably wrong. Must be verified on pcb! */
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AM_RANGE(0x8000, 0xffff) AM_RAM AM_SHARE("videoram") /* Probably wrong. Must be verified on pcb! */
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ADDRESS_MAP_END
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#if 0
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static const gfx_layout banctec_charlayout =
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{
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8,8,
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256*8, /* 256 characters */
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1, /* 1 bits per pixel */
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{ 0 }, /* no bitplanes; 1 bit per pixel */
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/* x offsets */
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{
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0,
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1,
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2,
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3,
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4,
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5,
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6,
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7,
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},
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/* y offsets */
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{
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0,
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8,
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16,
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24,
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32,
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40,
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48,
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56,
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},
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8*8
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};
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static GFXDECODE_START( banctec )
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GFXDECODE_ENTRY( "gfx1", 0x0000, banctec_charlayout, 0, 2 )
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GFXDECODE_END
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#endif
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void banctec_state::machine_reset()
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{
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}
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/****************************
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* Video/Character functions *
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****************************/
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TILE_GET_INFO_MEMBER(banctec_state::get_bg_tile_info)
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{
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UINT8 *videoram = m_videoram;
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int code = videoram[tile_index];
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int color = 1;
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SET_TILE_INFO_MEMBER(0, code, color, 0);
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}
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void banctec_state::video_start()
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{
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m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(banctec_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 40, 25);
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}
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UINT32 banctec_state::screen_update_banctec(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
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return 0;
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}
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/******************************
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* Graphics Decode Information *
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******************************/
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const gfx_layout banctec_gfx_layout =
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{
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8, 8, /* 8x8 characters */
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256, /* 256 characters */
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1, /* 1 bits per pixel */
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{0}, /* no bitplanes; 1 bit per pixel */
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{0, 1, 2, 3, 4, 5, 6, 7},
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{0 * 256*8, 1 * 256*8, 2 * 256*8, 3 * 256*8, 4 * 256*8, 5 * 256*8, 6 * 256*8, 7 * 256*8},
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8 /* size of one char */
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};
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static GFXDECODE_START( banctec )
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GFXDECODE_ENTRY( "gfx", 0x00000, banctec_gfx_layout, 0, 2 )
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GFXDECODE_END
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static MACHINE_CONFIG_START( banctec, banctec_state )
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/* basic machine hardware */
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MCFG_CPU_ADD("maincpu", M6805, 4000000) /* 4000000? */
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@ -55,19 +66,21 @@ static MACHINE_CONFIG_START( banctec, banctec_state )
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// The video signal is generated by a R6545EAP character generator chip
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// The U20 EPROM holds the image data for the character set.
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#if 0
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/* video hardware */
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MCFG_SCREEN_ADD("screen", LCD)
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MCFG_SCREEN_REFRESH_RATE(LCD_FRAMES_PER_SECOND)
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MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
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MCFG_SCREEN_SIZE(64*4, 128) /* 160 x 102 */
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MCFG_SCREEN_VISIBLE_AREA(0, 64*4-1, 0, 128-1)
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// video hardware
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MCFG_SCREEN_ADD("screen", RASTER)
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MCFG_SCREEN_REFRESH_RATE(60)
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MCFG_SCREEN_SIZE((52+1)*8, (31+1)*8)
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MCFG_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 0*8, 25*8-1)
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MCFG_SCREEN_UPDATE_DRIVER(banctec_state, screen_update_banctec)
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MCFG_SCREEN_PALETTE("palette")
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MCFG_GFXDECODE_ADD("gfxdecode", "palette", banctec )
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MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
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#endif
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MCFG_GFXDECODE_ADD("gfxdecode", "palette", banctec)
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MCFG_PALETTE_ADD("palette", 2)
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// MCFG_PALETTE_INIT_OWNER(banctec_state, banctec)
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MCFG_MC6845_ADD("crtc", R6545_1, "screen", XTAL_20MHz) /* (?) */
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MCFG_MC6845_SHOW_BORDER_AREA(false)
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MCFG_MC6845_CHAR_WIDTH(8)
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MACHINE_CONFIG_END
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@ -86,4 +99,4 @@ ROM_END
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***************************************************************************/
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/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT MONITOR COMPANY FULLNAME */
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CONS( 1993, banctec, 0, 0, banctec, 0, driver_device, 0, "BancTec", "ESeries Panel", GAME_NOT_WORKING | GAME_NO_SOUND)
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CONS( 1989, banctec, 0, 0, banctec, 0, driver_device, 0, "DALE Electronics", "BancTec ESeries Panel", GAME_NOT_WORKING | GAME_NO_SOUND)
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@ -13,14 +13,22 @@ class banctec_state : public driver_device
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public:
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banctec_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu") { }
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m_maincpu(*this, "maincpu"),
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m_gfxdecode(*this, "gfxdecode"),
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m_videoram(*this, "videoram") { }
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DECLARE_READ8_MEMBER(banctec_read);
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DECLARE_WRITE8_MEMBER(banctec_write);
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TILE_GET_INFO_MEMBER(get_bg_tile_info);
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virtual void machine_reset();
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// virtual void video_start();
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// UINT32 screen_update_banctec(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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virtual void video_start();
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UINT32 screen_update_banctec(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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required_device<cpu_device> m_maincpu;
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required_device<gfxdecode_device> m_gfxdecode;
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required_shared_ptr<UINT8> m_videoram;
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tilemap_t *m_bg_tilemap;
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};
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#endif /* BANCTEC_H_ */
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