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https://github.com/holub/mame
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Arrow Bingo: Fixed clocks to be more accurate, hooked principal inputs
to make the game playable, added technical notes and cleaned-up a bit the driver. [Roberto Fresca]
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RobertoFresca
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c6c6fb8cc0
commit
22afdaeeff
@ -405,9 +405,9 @@
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************************************************************************************************/
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#define MASTER_CLOCK XTAL_10MHz /* unknown */
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#define MASTER_CLOCK XTAL_16MHz /* unknown */
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#define CPU_CLOCK MASTER_CLOCK/4 /* guess... seems accurate */
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#define CRTC_CLOCK MASTER_CLOCK/16 /* it gives 59.410646 fps with current settings */
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#define CRTC_CLOCK MASTER_CLOCK/24 /* it gives 63.371293 Hz. with current settings */
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#include "emu.h"
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#include "cpu/z80/z80.h"
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@ -519,14 +519,14 @@ uint32_t avt_state::screen_update_avt(screen_device &screen, bitmap_ind16 &bitma
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count = 0;
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for(y=0;y<mc6845_v_display;y++)
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for(y = 0; y < mc6845_v_display; y++)
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{
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for(x=0;x<mc6845_h_display;x++)
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for(x = 0; x < mc6845_h_display; x++)
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{
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uint16_t tile = m_videoram[count] | ((m_colorram[count] & 1) << 8);
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uint8_t color = (m_colorram[count] & 0xf0) >> 4;
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gfx->opaque(bitmap,cliprect,tile,color,0,0,x*8,(y*8));
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gfx->opaque(bitmap, cliprect, tile,color, 0, 0, x * 8, y * 8);
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count++;
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}
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@ -597,6 +597,8 @@ PALETTE_INIT_MEMBER(avt_state, avt)
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// popmessage("written : %02X", data);
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//}
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// [:crtc] M6845: Mode Control 10 is not supported!!!
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WRITE8_MEMBER( avt_state::avt_6845_address_w )
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{
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m_crtc_index = data;
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@ -631,9 +633,9 @@ ADDRESS_MAP_END
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static ADDRESS_MAP_START( avt_portmap, AS_IO, 8, avt_state )
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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// AM_RANGE(0x00, 0x03) unk, maybe IO
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// AM_RANGE(0x00, 0x00) AM_READ_PORT("IN0")
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// AM_RANGE(0x00, 0x00) AM_READ_PORT("DSW1")
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// AM_RANGE(0x01, 0x01) AM_READ_PORT("IN1")
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AM_RANGE(0x02, 0x02) AM_READ_PORT("DSW1")
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AM_RANGE(0x02, 0x02) AM_READ_PORT("IN0")
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// AM_RANGE(0x08, 0x0b) unk, maybe IO
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// AM_RANGE(0x08, 0x08) AM_READ_PORT("IN2")
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// AM_RANGE(0x09, 0x09) AM_READ_PORT("IN3")
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@ -644,13 +646,63 @@ static ADDRESS_MAP_START( avt_portmap, AS_IO, 8, avt_state )
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ADDRESS_MAP_END
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/* I/O byte R/W
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(from avtbingo)
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inputs are throusg port 02h, masked with 0x3F & 0x40.
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02C3: DB 02 in a,($02)
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02C5: 2F cpl
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02C6: E6 3F and $3F
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02C8: C9 ret
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02D1: DB 02 in a,($02)
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02D3: 2F cpl
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02D4: E6 3F and $3F
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02D6: CD B2 02 call $02B2
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02D9: C9 ret
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0338: DB 02 in a,($02)
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033A: E6 40 and $40
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033C: 28 02 jr z,$0340
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033E: AF xor a
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033F: C9 ret
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poll the port 00h and compare with 0x03
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1379: 0E 00 ld c,$00
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137B: ED 78 in a,(c)
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137D: FE 03 cp $03
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137F: 20 04 jr nz,$1385
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...code continues...
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-----------------
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unknown writes:
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[:maincpu] ':maincpu' (01D4): unmapped io memory write to 0001 = 0F & FF
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[:maincpu] ':maincpu' (01D8): unmapped io memory write to 0009 = 4F & FF
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[:maincpu] ':maincpu' (01DC): unmapped io memory write to 000B = CF & FF
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[:maincpu] ':maincpu' (01E0): unmapped io memory write to 000B = C0 & FF
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[:maincpu] ':maincpu' (01E4): unmapped io memory write to 000A = C0 & FF \
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[:maincpu] ':maincpu' (02CD): unmapped io memory write to 000A = EE & FF \
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[:maincpu] ':maincpu' (030E): unmapped io memory write to 000A = C0 & FF > Alternate these values too often... Mux selector?
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[:maincpu] ':maincpu' (02CD): unmapped io memory write to 000A = EE & FF /
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[:maincpu] ':maincpu' (030E): unmapped io memory write to 000A = C0 & FF /
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[:maincpu] ':maincpu' (0321): unmapped io memory write to 0003 = 06 & FF \
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[:maincpu] ':maincpu' (0325): unmapped io memory write to 0003 = CF & FF \
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[:maincpu] ':maincpu' (0329): unmapped io memory write to 0003 = FF & FF > Unknown commands.
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[:maincpu] ':maincpu' (032D): unmapped io memory write to 0003 = 97 & FF /
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[:maincpu] ':maincpu' (0331): unmapped io memory write to 0003 = F7 & FF /
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[:maincpu] ':maincpu' (0335): unmapped io memory write to 000A = C0 & FF \
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[:maincpu] ':maincpu' (02CD): unmapped io memory write to 000A = EE & FF \
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[:maincpu] ':maincpu' (030E): unmapped io memory write to 000A = C0 & FF > Same as above...
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[:maincpu] ':maincpu' (02CD): unmapped io memory write to 000A = EE & FF /
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[:maincpu] ':maincpu' (030E): unmapped io memory write to 000A = C0 & FF /
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avtnfl and avtbingo have similarities.
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@ -659,7 +711,6 @@ ADDRESS_MAP_END
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all access a000/c000 with an offset of 0x800 for video.
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avtnfl and avtbingo use 28/29 for CRTC.
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*/
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/*********************************************
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@ -823,6 +874,20 @@ static INPUT_PORTS_START( symbols )
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INPUT_PORTS_END
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static INPUT_PORTS_START( avtbingo )
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PORT_START("IN0")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_POKER_HOLD3 ) PORT_NAME("Column 3 UP")
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_POKER_HOLD2 ) PORT_NAME("Column 2 UP")
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_POKER_HOLD1 ) PORT_NAME("Column 1 UP")
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 )
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_POKER_HOLD5 ) PORT_NAME("Column 5 UP")
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_POKER_HOLD4 ) PORT_NAME("Column 4 UP")
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
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INPUT_PORTS_END
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/*********************************************
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* Graphics Layouts *
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*********************************************/
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@ -960,8 +1025,8 @@ ROM_END
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* Game Drivers *
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*********************************************/
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/* YEAR NAME PARENT MACHINE INPUT INIT ROT COMPANY FULLNAME FLAGS */
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/* YEAR NAME PARENT MACHINE INPUT STATE INIT ROT COMPANY FULLNAME FLAGS */
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GAME( 1985, avtsym14, 0, avt, symbols, driver_device, 0, ROT0, "Advanced Video Technology", "Symbols (ver 1.4)", MACHINE_NOT_WORKING )
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GAME( 1985, avtsym25, avtsym14, avt, symbols, driver_device, 0, ROT0, "Advanced Video Technology", "Symbols (ver 2.5)", MACHINE_NOT_WORKING )
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GAME( 1985, avtbingo, 0, avt, symbols, driver_device, 0, ROT0, "Advanced Video Technology", "Arrow Bingo", MACHINE_NOT_WORKING )
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GAME( 1985, avtbingo, 0, avt, avtbingo, driver_device, 0, ROT0, "Advanced Video Technology", "Arrow Bingo", MACHINE_NOT_WORKING )
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GAME( 1989, avtnfl, 0, avt, symbols, driver_device, 0, ROT0, "Advanced Video Technology", "NFL (ver 109)", MACHINE_NOT_WORKING )
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