mirror of
https://github.com/holub/mame
synced 2025-04-17 05:53:36 +03:00
ac1: cleaned, added speaker
This commit is contained in:
Robbbert
parent
1a1161fd4b
commit
fee93592d2
@ -2118,9 +2118,6 @@ files {
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createMESSProjects(_target, _subtarget, "ddr")
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files {
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MAME_DIR .. "src/mame/drivers/ac1.cpp",
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MAME_DIR .. "src/mame/includes/ac1.h",
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MAME_DIR .. "src/mame/machine/ac1.cpp",
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MAME_DIR .. "src/mame/video/ac1.cpp",
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MAME_DIR .. "src/mame/drivers/bcs3.cpp",
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MAME_DIR .. "src/mame/drivers/c80.cpp",
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MAME_DIR .. "src/mame/includes/c80.h",
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@ -19,18 +19,141 @@
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****************************************************************************/
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#include "emu.h"
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#include "includes/ac1.h"
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#include "cpu/z80/z80.h"
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#include "imagedev/cassette.h"
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#include "machine/z80pio.h"
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#include "machine/z80ctc.h"
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#include "screen.h"
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#include "speaker.h"
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#include "sound/spkrdev.h"
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#include "emupal.h"
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class ac1_state : public driver_device
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{
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public:
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ac1_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_cassette(*this, "cassette")
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, m_maincpu(*this, "maincpu")
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, m_vram(*this, "videoram")
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, m_gfxdecode(*this, "gfxdecode")
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, m_palette(*this, "palette")
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, m_speaker(*this, "speaker")
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, m_io_line(*this, "LINE.%u", 0U)
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{ }
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void ac1(machine_config &config);
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void ac1_32(machine_config &config);
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void ac1scch(machine_config &config);
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private:
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u32 screen_update_ac1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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u32 screen_update_ac1_32(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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u8 ac1_port_b_r();
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u8 ac1_port_a_r();
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void ac1_port_a_w(u8 data);
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void ac1_port_b_w(u8 data);
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void ac1_32_mem(address_map &map);
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void ac1_io(address_map &map);
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void ac1scch_io(address_map &map);
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void ac1_mem(address_map &map);
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required_device<cassette_image_device> m_cassette;
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required_device<cpu_device> m_maincpu;
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required_shared_ptr<u8> m_vram;
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required_device<gfxdecode_device> m_gfxdecode;
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required_device<palette_device> m_palette;
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required_device<speaker_sound_device> m_speaker;
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required_ioport_array<7> m_io_line;
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};
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static GFXDECODE_START( gfx_ac1 )
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GFXDECODE_ENTRY( "gfx1", 0x0000, ac1_charlayout, 0, 1 )
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GFXDECODE_END
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u8 ac1_state::ac1_port_b_r()
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{
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u8 data = 0x7f;
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if (m_cassette->input() > 0.03)
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data |= 0x80;
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return data;
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}
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#define BNOT(x) ((x) ? 0 : 1)
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u8 ac1_state::ac1_port_a_r()
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{
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u8 line0 = m_io_line[0]->read();
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u8 line1 = m_io_line[1]->read();
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u8 line2 = m_io_line[2]->read();
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u8 line3 = m_io_line[3]->read();
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u8 line4 = m_io_line[4]->read();
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u8 line5 = m_io_line[5]->read();
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u8 line6 = m_io_line[6]->read();
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u8 SH = BNOT(BIT(line6,0));
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u8 CTRL = BNOT(BIT(line6,1));
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u8 SPACE = BIT(line6,2);
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u8 ENTER = BIT(line6,3);
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u8 BACK = BIT(line6,4);
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u8 all = line0 | line1 | line2 | line3 | line4 | line5;
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u8 s1 = BNOT(BIT(all,0));u8 z1 = (line0 !=0) ? 0 : 1;
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u8 s2 = BNOT(BIT(all,1));u8 z2 = (line1 !=0) ? 0 : 1;
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u8 s3 = BNOT(BIT(all,2));u8 z3 = (line2 !=0) ? 0 : 1;
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u8 s4 = BNOT(BIT(all,3));u8 z4 = (line3 !=0) ? 0 : 1;
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u8 s5 = BNOT(BIT(all,4));u8 z5 = (line4 !=0) ? 0 : 1;
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u8 s6 = BNOT(BIT(all,5));u8 z6 = (line5 !=0) ? 0 : 1;
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u8 s7 = BNOT(BIT(all,6));
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u8 s8 = BNOT(BIT(all,7));
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u8 tast,td0,td1,td2,td3,td4,td5,td6,dg5;
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/* Additional double keys */
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if (SPACE) {
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z1 = 0; s1 = 0; SH = 0;
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}
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if (ENTER) {
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z4 = 0; s6 = 0; CTRL = 0;
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}
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if (BACK) {
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z4 = 0; s1 = 0; CTRL = 0;
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}
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tast = BNOT(s1 & s2 & s3 & s4 & s5 &s6 & s7 & s8);
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td0 = BNOT(s2 & s4 & s6 & s8);
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td1 = BNOT(s3 & s4 & s7 & s8);
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td2 = BNOT(s5 & s6 & s7 & s8);
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td3 = BNOT(z2 & z4 & z6);
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td4 = BNOT(BNOT(BNOT(z1 & z2) & SH) & z5 & z6);
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dg5 = BNOT(z3 & z4 & z5 & z6);
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td5 = BNOT(BNOT(dg5 & BNOT(SH)) & z1 & z2);
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td6 = (dg5 & CTRL);
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return td0 + (td1 << 1) +(td2 << 2) +(td3 << 3) +(td4 << 4) +(td5 << 5) +(td6 << 6) +(tast << 7);
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}
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void ac1_state::ac1_port_a_w(u8 data)
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{
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}
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void ac1_state::ac1_port_b_w(u8 data)
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{
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/*
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bit description
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0
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1 RTTY receive
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2 RTTY transmit
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3 RTTY PTT
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4
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5
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6 cassette out
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7 cassette in
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*/
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m_speaker->level_w(BIT(data, 0));
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m_cassette->output(BIT(data, 6) ? -1.0 : +1.0);
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}
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/* Address maps */
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void ac1_state::ac1_mem(address_map &map)
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@ -38,23 +161,29 @@ void ac1_state::ac1_mem(address_map &map)
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map.unmap_value_high();
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map(0x0000, 0x07ff).rom(); // Monitor
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map(0x0800, 0x0fff).rom(); // BASIC
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map(0x1000, 0x17ff).ram(); // Video RAM
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map(0x1800, 0x1fff).ram(); // RAM
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map(0x1000, 0x17ff).ram().share("videoram");
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map(0x1800, 0x1fff).ram();
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}
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void ac1_state::ac1_32_mem(address_map &map)
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{
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map.unmap_value_high();
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map(0x0000, 0x07ff).rom(); // Monitor
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map(0x0800, 0x0fff).rom(); // BASIC
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map(0x1000, 0x17ff).ram(); // Video RAM
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map(0x1800, 0xffff).ram(); // RAM
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ac1_mem(map);
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map(0x1800, 0xffff).ram();
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}
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void ac1_state::ac1_io(address_map &map)
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{
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map.global_mask(0xff);
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map(0x04, 0x07).rw("z80pio", FUNC(z80pio_device::read), FUNC(z80pio_device::write));
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map(0x00, 0x03).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); // on the board, but ignored by standard bios
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map(0x04, 0x07).rw("pio", FUNC(z80pio_device::read), FUNC(z80pio_device::write));
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}
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void ac1_state::ac1scch_io(address_map &map)
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{
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map.global_mask(0xff);
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ac1_io(map);
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map(0x08, 0x0b).rw("pio2", FUNC(z80pio_device::read), FUNC(z80pio_device::write));
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// more...
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}
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/* Input ports */
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@ -127,7 +256,40 @@ static INPUT_PORTS_START( ac1 )
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
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INPUT_PORTS_END
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/* Machine driver */
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const gfx_layout charlayout =
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{
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6, 8, /* 6x8 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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{7, 6, 5, 4, 3, 2},
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{0 * 8, 1 * 8, 2 * 8, 3 * 8, 4 * 8, 5 * 8, 6 * 8, 7 * 8},
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8*8 /* size of one char */
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};
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static GFXDECODE_START( gfx_ac1 )
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GFXDECODE_ENTRY( "gfx1", 0x0000, charlayout, 0, 1 )
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GFXDECODE_END
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u32 ac1_state::screen_update_ac1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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for (u8 y = 0; y < 16; y++ )
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for (u8 x = 0; x < 64; x++ )
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m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, m_vram[x + y*64], 0, 0, 0, 63*6-x*6, 15*8-y*8);
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return 0;
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}
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u32 ac1_state::screen_update_ac1_32(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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for (u8 y = 0; y < 32; y++ )
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for (u8 x = 0; x < 64; x++ )
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m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, m_vram[x + y*64], 0, 0, 0, 63*6-x*6, 31*8-y*8);
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return 0;
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}
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void ac1_state::ac1(machine_config &config)
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{
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/* basic machine hardware */
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@ -135,13 +297,15 @@ void ac1_state::ac1(machine_config &config)
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m_maincpu->set_addrmap(AS_PROGRAM, &ac1_state::ac1_mem);
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m_maincpu->set_addrmap(AS_IO, &ac1_state::ac1_io);
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z80pio_device& pio(Z80PIO(config, "z80pio", XTAL(8'000'000)/4));
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z80pio_device& pio(Z80PIO(config, "pio", XTAL(8'000'000)/4));
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pio.in_pa_callback().set(FUNC(ac1_state::ac1_port_a_r));
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pio.out_pa_callback().set(FUNC(ac1_state::ac1_port_a_w));
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pio.in_pb_callback().set(FUNC(ac1_state::ac1_port_b_r));
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pio.out_pb_callback().set(FUNC(ac1_state::ac1_port_b_w));
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/* video hardware */
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Z80CTC(config, "ctc", 8'000'000 / 4); // all connections go external
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// video hardware
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screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
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screen.set_refresh_hz(50);
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screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
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@ -154,7 +318,9 @@ void ac1_state::ac1(machine_config &config)
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PALETTE(config, m_palette, palette_device::MONOCHROME);
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// sound hardware
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SPEAKER(config, "mono").front_center();
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SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.50);
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CASSETTE(config, m_cassette);
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m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED);
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@ -173,15 +339,26 @@ void ac1_state::ac1_32(machine_config &config)
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screen.set_screen_update(FUNC(ac1_state::screen_update_ac1_32));
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}
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void ac1_state::ac1scch(machine_config &config)
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{
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ac1_32(config);
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m_maincpu->set_addrmap(AS_IO, &ac1_state::ac1scch_io);
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Z80PIO(config, "pio2", XTAL(8'000'000)/4); // for V24 and printer
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// more...
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}
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/* ROM definition */
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ROM_START( ac1 )
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ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
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ROM_REGION( 0x1000, "maincpu", ROMREGION_ERASEFF )
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ROM_SYSTEM_BIOS( 0, "v1", "Version 3.1 (orig)" )
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ROMX_LOAD("mon_v31_16.bin", 0x0000, 0x0800, CRC(1ba65e4d) SHA1(3382b8d03f31166a56aea49fd1ec1e82a7108300), ROM_BIOS(0))
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ROM_SYSTEM_BIOS( 1, "v2", "Version 3.1 (fixed)" )
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ROMX_LOAD("mon_v31_16_v2.bin", 0x0000, 0x0800, CRC(8904beb4) SHA1(db8d00a2537ac3a662e3c91e55eb2bf824a72062), ROM_BIOS(1))
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// from Funkamateur 01/85
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ROM_LOAD("minibasic.bin", 0x0800, 0x0800, CRC(06782639) SHA1(3fd57b3ae3f538374b0d794d8aa15d06bcaaddd8))
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ROM_REGION(0x0800, "gfx1",0)
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// 64 chars - U402 BM513
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ROM_LOAD("u402.bin", 0x0000, 0x0200, CRC(cfb67f28) SHA1(e3a62a3a8bce0d098887e31fd16410f38832fd18))
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@ -191,10 +368,11 @@ ROM_START( ac1 )
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ROM_END
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ROM_START( ac1_32 )
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ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
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ROM_REGION( 0x1000, "maincpu", ROMREGION_ERASEFF )
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ROM_LOAD("mon_v31_32.bin", 0x0000, 0x0800, CRC(bea78b1a) SHA1(8a3e2ac2033aa0bb016be742cfea7e4b09c0813b))
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// from Funkamateur 01/85
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ROM_LOAD("minibasic.bin", 0x0800, 0x0800, CRC(06782639) SHA1(3fd57b3ae3f538374b0d794d8aa15d06bcaaddd8))
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ROM_REGION(0x0800, "gfx1",0)
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ROM_SYSTEM_BIOS( 0, "128", "128 chars" )
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// 128 chars - U555 or 2708 from Funkamateur 06/86 128 including pseudo graphics
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@ -206,21 +384,25 @@ ROM_START( ac1_32 )
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ROM_END
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ROM_START( ac1scch )
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ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
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ROM_REGION( 0x1000, "maincpu", ROMREGION_ERASEFF )
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ROM_SYSTEM_BIOS( 0, "v7", "Version 7" )
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ROMX_LOAD("mon_v7.bin", 0x0000, 0x1000, CRC(fd17b0cf) SHA1(e47113025bd9dadc1522425e21703f43e584b00f), ROM_BIOS(0))
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ROM_SYSTEM_BIOS( 1, "v8", "Version 8" )
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ROMX_LOAD("mon_v8.bin", 0x0000, 0x1000, CRC(5af68da5) SHA1(e760d4400b9c937e7e789d52b8ec975ff253a122), ROM_BIOS(1))
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ROM_SYSTEM_BIOS( 2, "v10", "Version 10" )
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ROMX_LOAD("mon_v10.bin", 0x0000, 0x1000, CRC(f8e67ecb) SHA1(7953676fc8c22824ceff464c7177e9ac0343b8ce), ROM_BIOS(2))
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ROMX_LOAD("mon_v10.bin", 0x0000, 0x1000, CRC(f8e67ecb) SHA1(7953676fc8c22824ceff464c7177e9ac0343b8ce), ROM_BIOS(2)) // not working
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ROM_SYSTEM_BIOS( 3, "v1088", "Version 10/88" )
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ROMX_LOAD("mon_v1088.bin", 0x0000, 0x1000, CRC(bbb0a6df) SHA1(de9389e142541a8b5ff238b59e98bf571c794bef), ROM_BIOS(3))
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ROM_REGION(0x0800, "gfx1",0)
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ROM_LOAD("zg_scch.bin", 0x0000, 0x0800, CRC(fbfaf5da) SHA1(667568c5909e9a17675cf09dfbce2fc090c420ab))
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ROM_END
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// Driver
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// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
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COMP( 1984, ac1, 0, 0, ac1, ac1, ac1_state, init_ac1, "Frank Heyder", "Amateurcomputer AC1 Berlin", 0 )
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COMP( 1984, ac1_32, ac1, 0, ac1_32, ac1, ac1_state, init_ac1, "Frank Heyder", "Amateurcomputer AC1 Berlin (32 lines)", 0 )
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COMP( 1984, ac1scch, ac1, 0, ac1_32, ac1, ac1_state, init_ac1, "Frank Heyder", "Amateurcomputer AC1 SCCH", 0 )
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COMP( 1984, ac1, 0, 0, ac1, ac1, ac1_state, empty_init, "Frank Heyder", "Amateurcomputer AC1 Berlin", MACHINE_SUPPORTS_SAVE )
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COMP( 1984, ac1_32, ac1, 0, ac1_32, ac1, ac1_state, empty_init, "Frank Heyder", "Amateurcomputer AC1 Berlin (32 lines)", MACHINE_SUPPORTS_SAVE )
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COMP( 1984, ac1scch, ac1, 0, ac1scch, ac1, ac1_state, empty_init, "Frank Heyder", "Amateurcomputer AC1 SCCH", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
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// ac1_2010
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// ac1_2017
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@ -1,55 +0,0 @@
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// license:BSD-3-Clause
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// copyright-holders:Miodrag Milanovic
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/*****************************************************************************
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*
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* includes/ac1.h
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*
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****************************************************************************/
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#ifndef MAME_INCLUDES_AC1_H
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#define MAME_INCLUDES_AC1_H
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#pragma once
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#include "machine/z80pio.h"
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#include "imagedev/cassette.h"
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#include "emupal.h"
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class ac1_state : public driver_device
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{
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public:
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ac1_state(const machine_config &mconfig, device_type type, const char *tag)
|
||||
: driver_device(mconfig, type, tag)
|
||||
, m_cassette(*this, "cassette")
|
||||
, m_maincpu(*this, "maincpu")
|
||||
, m_gfxdecode(*this, "gfxdecode")
|
||||
, m_palette(*this, "palette")
|
||||
, m_io_line(*this, "LINE.%u", 0)
|
||||
{ }
|
||||
|
||||
void init_ac1();
|
||||
virtual void machine_reset() override;
|
||||
virtual void video_start() override;
|
||||
uint32_t screen_update_ac1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
|
||||
uint32_t screen_update_ac1_32(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
|
||||
uint8_t ac1_port_b_r();
|
||||
uint8_t ac1_port_a_r();
|
||||
void ac1_port_a_w(uint8_t data);
|
||||
void ac1_port_b_w(uint8_t data);
|
||||
|
||||
void ac1_32(machine_config &config);
|
||||
void ac1(machine_config &config);
|
||||
void ac1_32_mem(address_map &map);
|
||||
void ac1_io(address_map &map);
|
||||
void ac1_mem(address_map &map);
|
||||
private:
|
||||
required_device<cassette_image_device> m_cassette;
|
||||
required_device<cpu_device> m_maincpu;
|
||||
required_device<gfxdecode_device> m_gfxdecode;
|
||||
required_device<palette_device> m_palette;
|
||||
required_ioport_array<7> m_io_line;
|
||||
};
|
||||
|
||||
/*----------- defined in video/ac1.c -----------*/
|
||||
extern const gfx_layout ac1_charlayout;
|
||||
|
||||
#endif // MAME_INCLUDES_AC1_H
|
||||
@ -1,108 +0,0 @@
|
||||
// license:BSD-3-Clause
|
||||
// copyright-holders:Miodrag Milanovic
|
||||
/***************************************************************************
|
||||
|
||||
AC1 video driver by Miodrag Milanovic
|
||||
|
||||
15/01/2009 Preliminary driver.
|
||||
|
||||
****************************************************************************/
|
||||
|
||||
#include "emu.h"
|
||||
#include "machine/z80pio.h"
|
||||
#include "imagedev/cassette.h"
|
||||
#include "includes/ac1.h"
|
||||
|
||||
uint8_t ac1_state::ac1_port_b_r()
|
||||
{
|
||||
uint8_t data = 0x7f;
|
||||
|
||||
if (m_cassette->input() > 0.03)
|
||||
data |= 0x80;
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
#define BNOT(x) ((x) ? 0 : 1)
|
||||
|
||||
uint8_t ac1_state::ac1_port_a_r()
|
||||
{
|
||||
uint8_t line0 = m_io_line[0]->read();
|
||||
uint8_t line1 = m_io_line[1]->read();
|
||||
uint8_t line2 = m_io_line[2]->read();
|
||||
uint8_t line3 = m_io_line[3]->read();
|
||||
uint8_t line4 = m_io_line[4]->read();
|
||||
uint8_t line5 = m_io_line[5]->read();
|
||||
uint8_t line6 = m_io_line[6]->read();
|
||||
|
||||
uint8_t SH = BNOT(BIT(line6,0));
|
||||
uint8_t CTRL = BNOT(BIT(line6,1));
|
||||
uint8_t SPACE = BIT(line6,2);
|
||||
uint8_t ENTER = BIT(line6,3);
|
||||
uint8_t BACK = BIT(line6,4);
|
||||
|
||||
uint8_t all = line0 | line1 | line2 | line3 | line4 | line5;
|
||||
uint8_t s1 = BNOT(BIT(all,0));uint8_t z1 = (line0 !=0) ? 0 : 1;
|
||||
uint8_t s2 = BNOT(BIT(all,1));uint8_t z2 = (line1 !=0) ? 0 : 1;
|
||||
uint8_t s3 = BNOT(BIT(all,2));uint8_t z3 = (line2 !=0) ? 0 : 1;
|
||||
uint8_t s4 = BNOT(BIT(all,3));uint8_t z4 = (line3 !=0) ? 0 : 1;
|
||||
uint8_t s5 = BNOT(BIT(all,4));uint8_t z5 = (line4 !=0) ? 0 : 1;
|
||||
uint8_t s6 = BNOT(BIT(all,5));uint8_t z6 = (line5 !=0) ? 0 : 1;
|
||||
uint8_t s7 = BNOT(BIT(all,6));
|
||||
uint8_t s8 = BNOT(BIT(all,7));
|
||||
uint8_t tast,td0,td1,td2,td3,td4,td5,td6,dg5;
|
||||
|
||||
/* Additional double keys */
|
||||
if (SPACE) {
|
||||
z1 = 0; s1 = 0; SH = 0;
|
||||
}
|
||||
if (ENTER) {
|
||||
z4 = 0; s6 = 0; CTRL = 0;
|
||||
}
|
||||
if (BACK) {
|
||||
z4 = 0; s1 = 0; CTRL = 0;
|
||||
}
|
||||
|
||||
tast = BNOT(s1 & s2 & s3 & s4 & s5 &s6 & s7 & s8);
|
||||
td0 = BNOT(s2 & s4 & s6 & s8);
|
||||
td1 = BNOT(s3 & s4 & s7 & s8);
|
||||
td2 = BNOT(s5 & s6 & s7 & s8);
|
||||
td3 = BNOT(z2 & z4 & z6);
|
||||
td4 = BNOT(BNOT(BNOT(z1 & z2) & SH) & z5 & z6);
|
||||
dg5 = BNOT(z3 & z4 & z5 & z6);
|
||||
td5 = BNOT(BNOT(dg5 & BNOT(SH)) & z1 & z2);
|
||||
td6 = (dg5 & CTRL);
|
||||
return td0 + (td1 << 1) +(td2 << 2) +(td3 << 3) +(td4 << 4) +(td5 << 5) +(td6 << 6) +(tast << 7);
|
||||
}
|
||||
|
||||
void ac1_state::ac1_port_a_w(uint8_t data)
|
||||
{
|
||||
}
|
||||
|
||||
void ac1_state::ac1_port_b_w(uint8_t data)
|
||||
{
|
||||
/*
|
||||
|
||||
bit description
|
||||
|
||||
0
|
||||
1 RTTY receive
|
||||
2 RTTY transmit
|
||||
3 RTTY PTT
|
||||
4
|
||||
5
|
||||
6 cassette out
|
||||
7 cassette in
|
||||
|
||||
*/
|
||||
m_cassette->output((data & 0x40) ? -1.0 : +1.0);
|
||||
}
|
||||
|
||||
/* Driver initialization */
|
||||
void ac1_state::init_ac1()
|
||||
{
|
||||
}
|
||||
|
||||
void ac1_state::machine_reset()
|
||||
{
|
||||
}
|
||||
@ -1,61 +0,0 @@
|
||||
// license:BSD-3-Clause
|
||||
// copyright-holders:Miodrag Milanovic
|
||||
/***************************************************************************
|
||||
|
||||
AC1 video driver by Miodrag Milanovic
|
||||
|
||||
15/01/2009 Preliminary driver.
|
||||
|
||||
****************************************************************************/
|
||||
|
||||
#include "emu.h"
|
||||
#include "includes/ac1.h"
|
||||
|
||||
#define AC1_VIDEO_MEMORY 0x1000
|
||||
|
||||
const gfx_layout ac1_charlayout =
|
||||
{
|
||||
6, 8, /* 6x8 characters */
|
||||
256, /* 256 characters */
|
||||
1, /* 1 bits per pixel */
|
||||
{0}, /* no bitplanes; 1 bit per pixel */
|
||||
{7, 6, 5, 4, 3, 2},
|
||||
{0 * 8, 1 * 8, 2 * 8, 3 * 8, 4 * 8, 5 * 8, 6 * 8, 7 * 8},
|
||||
8*8 /* size of one char */
|
||||
};
|
||||
|
||||
void ac1_state::video_start()
|
||||
{
|
||||
}
|
||||
|
||||
uint32_t ac1_state::screen_update_ac1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
|
||||
{
|
||||
int x,y;
|
||||
address_space &space = m_maincpu->space(AS_PROGRAM);
|
||||
|
||||
for(y = 0; y < 16; y++ )
|
||||
{
|
||||
for(x = 0; x < 64; x++ )
|
||||
{
|
||||
int code = space.read_byte(AC1_VIDEO_MEMORY + x + y*64);
|
||||
m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, code , 0, 0,0, 63*6-x*6,15*8-y*8);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
uint32_t ac1_state::screen_update_ac1_32(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
|
||||
{
|
||||
int x,y;
|
||||
address_space &space = m_maincpu->space(AS_PROGRAM);
|
||||
|
||||
for(y = 0; y < 32; y++ )
|
||||
{
|
||||
for(x = 0; x < 64; x++ )
|
||||
{
|
||||
int code = space.read_byte(AC1_VIDEO_MEMORY + x + y*64);
|
||||
m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, code , 0, 0,0, 63*6-x*6,31*8-y*8);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user