kopunch has 4 ppi chips
This commit is contained in:
Michaël Banaan Ananas
parent
ce0e645b4a
commit
abdfcb16a4
@ -4,6 +4,7 @@
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XTAL: ?
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CPU: 8085 (proof: it uses SIM opcode)
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Other: 4 x i8255 for all I/O
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TODO:
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- discrete sound?
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@ -30,66 +31,22 @@
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#include "emu.h"
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#include "cpu/i8085/i8085.h"
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#include "machine/i8255.h"
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#include "includes/kopunch.h"
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INTERRUPT_GEN_MEMBER(kopunch_state::kopunch_interrupt)
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/********************************************************
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Interrupts
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********************************************************/
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INTERRUPT_GEN_MEMBER(kopunch_state::vblank_interrupt)
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{
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device.execute().set_input_line(I8085_RST75_LINE, ASSERT_LINE);
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device.execute().set_input_line(I8085_RST75_LINE, CLEAR_LINE);
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}
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READ8_MEMBER(kopunch_state::kopunch_in_r)
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{
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/* port 31 + low 3 bits of port 32 contain the punch strength */
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if (offset == 0)
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return machine().rand();
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else
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return (machine().rand() & 0x07) | ioport("SYSTEM")->read();
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}
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WRITE8_MEMBER(kopunch_state::kopunch_lamp_w)
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{
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set_led_status(machine(), 0, ~data & 0x80);
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}
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WRITE8_MEMBER(kopunch_state::kopunch_coin_w)
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{
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coin_counter_w(machine(), 0, ~data & 0x80);
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coin_counter_w(machine(), 1, ~data & 0x40);
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// if ((data & 0x3f) != 0x3e)
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// printf("port 34 = %02x ",data);
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}
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static ADDRESS_MAP_START( kopunch_map, AS_PROGRAM, 8, kopunch_state )
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AM_RANGE(0x0000, 0x1fff) AM_ROM
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AM_RANGE(0x2000, 0x23ff) AM_RAM
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AM_RANGE(0x6000, 0x63ff) AM_RAM_WRITE(kopunch_fg_w) AM_SHARE("vram_fg")
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AM_RANGE(0x7000, 0x70ff) AM_RAM_WRITE(kopunch_bg_w) AM_SHARE("vram_bg")
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AM_RANGE(0x7100, 0x73ff) AM_RAM // unused vram
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( kopunch_io_map, AS_IO, 8, kopunch_state )
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AM_RANGE(0x30, 0x30) AM_READ_PORT("P1")
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AM_RANGE(0x31, 0x32) AM_READ(kopunch_in_r)
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AM_RANGE(0x33, 0x33) AM_WRITENOP
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AM_RANGE(0x34, 0x34) AM_WRITE(kopunch_coin_w)
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AM_RANGE(0x35, 0x35) AM_WRITENOP
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AM_RANGE(0x36, 0x36) AM_WRITENOP
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AM_RANGE(0x37, 0x37) AM_WRITENOP
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AM_RANGE(0x38, 0x38) AM_WRITE(kopunch_lamp_w)
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AM_RANGE(0x39, 0x39) AM_WRITENOP
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AM_RANGE(0x3a, 0x3a) AM_READ_PORT("DSW")
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AM_RANGE(0x3b, 0x3b) AM_WRITENOP
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AM_RANGE(0x3c, 0x3c) AM_WRITE(kopunch_scroll_x_w)
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AM_RANGE(0x3d, 0x3d) AM_WRITE(kopunch_scroll_y_w)
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AM_RANGE(0x3e, 0x3e) AM_READ_PORT("P2") AM_WRITE(kopunch_gfxbank_w)
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AM_RANGE(0x3f, 0x3f) AM_WRITENOP
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ADDRESS_MAP_END
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INPUT_CHANGED_MEMBER(kopunch_state::left_coin_inserted)
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{
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// left coin insertion causes a rst6.5 (vector 0x34)
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@ -104,6 +61,122 @@ INPUT_CHANGED_MEMBER(kopunch_state::right_coin_inserted)
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m_maincpu->set_input_line(I8085_RST55_LINE, HOLD_LINE);
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}
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/********************************************************
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Memory Maps
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********************************************************/
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static ADDRESS_MAP_START( kopunch_map, AS_PROGRAM, 8, kopunch_state )
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AM_RANGE(0x0000, 0x1fff) AM_ROM
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AM_RANGE(0x2000, 0x23ff) AM_RAM
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AM_RANGE(0x6000, 0x63ff) AM_RAM_WRITE(vram_fg_w) AM_SHARE("vram_fg")
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AM_RANGE(0x7000, 0x70ff) AM_RAM_WRITE(vram_bg_w) AM_SHARE("vram_bg")
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AM_RANGE(0x7100, 0x73ff) AM_RAM // unused vram
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AM_RANGE(0x7400, 0x7bff) AM_RAM // more unused vram? or accidental writes?
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( kopunch_io_map, AS_IO, 8, kopunch_state )
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AM_RANGE(0x30, 0x33) AM_DEVREADWRITE("ppi8255_0", i8255_device, read, write)
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AM_RANGE(0x34, 0x37) AM_DEVREADWRITE("ppi8255_1", i8255_device, read, write)
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AM_RANGE(0x38, 0x3b) AM_DEVREADWRITE("ppi8255_2", i8255_device, read, write)
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AM_RANGE(0x3c, 0x3f) AM_DEVREADWRITE("ppi8255_3", i8255_device, read, write)
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ADDRESS_MAP_END
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/********************************************************
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PPI I/O
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********************************************************/
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READ8_MEMBER(kopunch_state::sensors1_r)
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{
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// punch strength low bits
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return machine().rand();
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}
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READ8_MEMBER(kopunch_state::sensors2_r)
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{
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// d0-d2: punch strength high bits
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// d3: coin 2
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// d4: unknown sensor
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// d5: unknown sensor
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// d6: unknown sensor
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// d7: coin 1
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return (machine().rand() & 0x07) | ioport("SYSTEM")->read();
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}
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WRITE8_MEMBER(kopunch_state::lamp_w)
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{
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set_led_status(machine(), 0, ~data & 0x80);
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}
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WRITE8_MEMBER(kopunch_state::coin_w)
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{
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coin_counter_w(machine(), 0, ~data & 0x80);
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coin_counter_w(machine(), 1, ~data & 0x40);
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// if ((data & 0x3f) != 0x3e)
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// printf("port 34 = %02x ",data);
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}
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/*******************************************************/
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static I8255A_INTERFACE( ppi8255_0_intf )
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{
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// $30 - always $9b (PPI mode 0, ports A & B & C as input)
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DEVCB_INPUT_PORT("P1"),
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DEVCB_NULL,
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DEVCB_DRIVER_MEMBER(kopunch_state, sensors1_r),
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DEVCB_NULL,
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DEVCB_DRIVER_MEMBER(kopunch_state, sensors2_r),
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DEVCB_NULL
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};
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static I8255A_INTERFACE( ppi8255_1_intf )
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{
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// $34 - always $80 (PPI mode 0, ports A & B & C as output)
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DEVCB_NULL,
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DEVCB_DRIVER_MEMBER(kopunch_state, coin_w),
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DEVCB_NULL,
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DEVCB_UNMAPPED,
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DEVCB_NULL,
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DEVCB_UNMAPPED
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};
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static I8255A_INTERFACE( ppi8255_2_intf )
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{
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// $38 - always $89 (PPI mode 0, ports A & B as output, port C as input)
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DEVCB_NULL,
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DEVCB_DRIVER_MEMBER(kopunch_state, lamp_w),
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DEVCB_NULL,
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DEVCB_UNMAPPED,
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DEVCB_INPUT_PORT("DSW"),
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DEVCB_NULL
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};
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static I8255A_INTERFACE( ppi8255_3_intf )
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{
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// $3c - always $88 (PPI mode 0, ports A & B & lower C as output, upper C as input)
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DEVCB_NULL,
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DEVCB_DRIVER_MEMBER(kopunch_state, scroll_x_w),
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DEVCB_NULL,
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DEVCB_DRIVER_MEMBER(kopunch_state, scroll_y_w),
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DEVCB_INPUT_PORT("P2"),
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DEVCB_DRIVER_MEMBER(kopunch_state, gfxbank_w)
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};
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/********************************************************
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Inputs
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********************************************************/
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static INPUT_PORTS_START( kopunch )
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PORT_START("P1")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
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@ -158,7 +231,10 @@ static INPUT_PORTS_START( kopunch )
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INPUT_PORTS_END
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static const gfx_layout charlayout =
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/*******************************************************/
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static const gfx_layout fg_layout =
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{
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8,8,
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RGN_FRAC(1,3),
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@ -169,7 +245,7 @@ static const gfx_layout charlayout =
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8*8
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};
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static const gfx_layout charlayoutbig =
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static const gfx_layout bg_layout =
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{
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16,16,
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RGN_FRAC(1,3),
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@ -181,8 +257,8 @@ static const gfx_layout charlayoutbig =
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};
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static GFXDECODE_START( kopunch )
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GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 1 )
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GFXDECODE_ENTRY( "gfx2", 0, charlayoutbig, 0, 1 )
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GFXDECODE_ENTRY( "gfx1", 0, fg_layout, 0, 1 )
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GFXDECODE_ENTRY( "gfx2", 0, bg_layout, 0, 1 )
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GFXDECODE_END
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@ -203,14 +279,19 @@ static MACHINE_CONFIG_START( kopunch, kopunch_state )
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MCFG_CPU_ADD("maincpu", I8085A, 4000000) // 4 MHz?
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MCFG_CPU_PROGRAM_MAP(kopunch_map)
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MCFG_CPU_IO_MAP(kopunch_io_map)
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MCFG_CPU_VBLANK_INT_DRIVER("screen", kopunch_state, kopunch_interrupt)
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MCFG_CPU_VBLANK_INT_DRIVER("screen", kopunch_state, vblank_interrupt)
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MCFG_I8255A_ADD("ppi8255_0", ppi8255_0_intf)
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MCFG_I8255A_ADD("ppi8255_1", ppi8255_1_intf)
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MCFG_I8255A_ADD("ppi8255_2", ppi8255_2_intf)
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MCFG_I8255A_ADD("ppi8255_3", ppi8255_3_intf)
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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_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
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MCFG_SCREEN_SIZE(32*8, 32*8)
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MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
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MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 28*8-1)
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MCFG_SCREEN_UPDATE_DRIVER(kopunch_state, screen_update_kopunch)
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MCFG_SCREEN_PALETTE("palette")
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@ -219,14 +300,16 @@ static MACHINE_CONFIG_START( kopunch, kopunch_state )
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MCFG_PALETTE_INIT_OWNER(kopunch_state, kopunch)
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/* sound hardware */
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// ...
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MACHINE_CONFIG_END
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/***************************************************************************
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/********************************************************
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Game driver(s)
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***************************************************************************/
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********************************************************/
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ROM_START( kopunch )
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ROM_REGION( 0x10000, "maincpu", 0 )
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@ -252,4 +335,5 @@ ROM_START( kopunch )
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ROM_LOAD( "epr1100", 0x0040, 0x0020, CRC(bedb66b1) SHA1(8e78bb205d900075b761e1baa5f5813174ff28ba) ) /* unknown */
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ROM_END
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GAME( 1981, kopunch, 0, kopunch, kopunch, driver_device, 0, ROT270, "Sega", "KO Punch", GAME_NO_SOUND | GAME_NOT_WORKING | GAME_MECHANICAL | GAME_SUPPORTS_SAVE )
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@ -29,17 +29,19 @@ public:
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UINT8 m_gfxbank;
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UINT8 m_scrollx;
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DECLARE_READ8_MEMBER(kopunch_in_r);
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DECLARE_WRITE8_MEMBER(kopunch_lamp_w);
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DECLARE_WRITE8_MEMBER(kopunch_coin_w);
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DECLARE_WRITE8_MEMBER(kopunch_fg_w);
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DECLARE_WRITE8_MEMBER(kopunch_bg_w);
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DECLARE_WRITE8_MEMBER(kopunch_scroll_x_w);
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DECLARE_WRITE8_MEMBER(kopunch_scroll_y_w);
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DECLARE_WRITE8_MEMBER(kopunch_gfxbank_w);
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DECLARE_READ8_MEMBER(sensors1_r);
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DECLARE_READ8_MEMBER(sensors2_r);
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DECLARE_WRITE8_MEMBER(lamp_w);
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DECLARE_WRITE8_MEMBER(coin_w);
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DECLARE_WRITE8_MEMBER(vram_fg_w);
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DECLARE_WRITE8_MEMBER(vram_bg_w);
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DECLARE_WRITE8_MEMBER(scroll_x_w);
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DECLARE_WRITE8_MEMBER(scroll_y_w);
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DECLARE_WRITE8_MEMBER(gfxbank_w);
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DECLARE_INPUT_CHANGED_MEMBER(left_coin_inserted);
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DECLARE_INPUT_CHANGED_MEMBER(right_coin_inserted);
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INTERRUPT_GEN_MEMBER(vblank_interrupt);
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TILE_GET_INFO_MEMBER(get_fg_tile_info);
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TILE_GET_INFO_MEMBER(get_bg_tile_info);
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@ -48,6 +50,4 @@ public:
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virtual void machine_start();
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virtual void video_start();
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INTERRUPT_GEN_MEMBER(kopunch_interrupt);
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};
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@ -41,30 +41,30 @@ PALETTE_INIT_MEMBER(kopunch_state, kopunch)
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}
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}
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WRITE8_MEMBER(kopunch_state::kopunch_fg_w)
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WRITE8_MEMBER(kopunch_state::vram_fg_w)
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{
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m_vram_fg[offset] = data;
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m_fg_tilemap->mark_tile_dirty(offset);
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}
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WRITE8_MEMBER(kopunch_state::kopunch_bg_w)
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WRITE8_MEMBER(kopunch_state::vram_bg_w)
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{
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m_vram_bg[offset] = data;
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m_bg_tilemap->mark_tile_dirty(offset);
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}
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WRITE8_MEMBER(kopunch_state::kopunch_scroll_x_w)
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WRITE8_MEMBER(kopunch_state::scroll_x_w)
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{
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m_scrollx = data;
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m_bg_tilemap->set_scrollx(0, data);
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}
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WRITE8_MEMBER(kopunch_state::kopunch_scroll_y_w)
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WRITE8_MEMBER(kopunch_state::scroll_y_w)
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{
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m_bg_tilemap->set_scrolly(0, data);
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}
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WRITE8_MEMBER(kopunch_state::kopunch_gfxbank_w)
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WRITE8_MEMBER(kopunch_state::gfxbank_w)
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{
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// d0-d2: bg gfx bank
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if (m_gfxbank != (data & 0x07))
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@ -73,7 +73,7 @@ WRITE8_MEMBER(kopunch_state::kopunch_gfxbank_w)
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m_bg_tilemap->mark_all_dirty();
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}
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// d3: flip y, other bits: unused
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// d3: flip y, other bits: N/C
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m_bg_tilemap->set_flip((data & 0x08) ? TILEMAP_FLIPY : 0);
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}
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