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-rw-r--r--src/mess/drivers/mikrosha.c254
1 files changed, 254 insertions, 0 deletions
diff --git a/src/mess/drivers/mikrosha.c b/src/mess/drivers/mikrosha.c
new file mode 100644
index 00000000000..0ceee786883
--- /dev/null
+++ b/src/mess/drivers/mikrosha.c
@@ -0,0 +1,254 @@
+/***************************************************************************
+
+ Mikrosha driver by Miodrag Milanovic
+
+ 05/06/2008 Preliminary driver.
+
+****************************************************************************/
+
+
+#include "emu.h"
+#include "cpu/i8085/i8085.h"
+#include "sound/wave.h"
+#include "machine/i8255.h"
+#include "machine/8257dma.h"
+#include "machine/pit8253.h"
+#include "video/i8275.h"
+#include "imagedev/cassette.h"
+#include "formats/rk_cas.h"
+#include "includes/radio86.h"
+
+
+class mikrosha_state : public radio86_state
+{
+public:
+ mikrosha_state(const machine_config &mconfig, device_type type, const char *tag)
+ : radio86_state(mconfig, type, tag) { }
+};
+
+
+/* Address maps */
+static ADDRESS_MAP_START(mikrosha_mem, AS_PROGRAM, 8, mikrosha_state )
+ AM_RANGE( 0x0000, 0x0fff ) AM_RAMBANK("bank1") // First bank
+ AM_RANGE( 0x1000, 0x7fff ) AM_RAM // RAM
+ AM_RANGE( 0x8000, 0xbfff ) AM_READ(radio_cpu_state_r) // Not connected
+ AM_RANGE( 0xc000, 0xc003 ) AM_DEVREADWRITE("ppi8255_1", i8255_device, read, write) AM_MIRROR(0x07fc)
+ AM_RANGE( 0xc800, 0xc803 ) AM_DEVREADWRITE("ppi8255_2", i8255_device, read, write) AM_MIRROR(0x07fc)
+ AM_RANGE( 0xd000, 0xd001 ) AM_DEVREADWRITE_LEGACY("i8275", i8275_r, i8275_w) AM_MIRROR(0x07fe) // video
+ AM_RANGE( 0xd800, 0xd803 ) AM_DEVREADWRITE_LEGACY("pit8253", pit8253_r,pit8253_w) AM_MIRROR(0x07fc) // Timer
+ AM_RANGE( 0xe000, 0xf7ff ) AM_READ(radio_cpu_state_r) // Not connected
+ AM_RANGE( 0xf800, 0xffff ) AM_DEVWRITE_LEGACY("dma8257", i8257_w) // DMA
+ AM_RANGE( 0xf800, 0xffff ) AM_ROM // System ROM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( mikrosha_io , AS_IO, 8, mikrosha_state )
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE( 0x00, 0xff ) AM_READWRITE(radio_io_r,radio_io_w)
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( mikrosha )
+ PORT_START("LINE0")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('@')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X')
+
+ PORT_START("LINE1")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y')
+
+ PORT_START("LINE2")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR(':') PORT_CHAR('*')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z')
+
+ PORT_START("LINE3")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del") PORT_CODE(KEYCODE_DEL)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR(';') PORT_CHAR('+')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[')
+
+ PORT_START("LINE4")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PgUp") PORT_CODE(KEYCODE_PGUP)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('\xA4')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\\')
+
+ PORT_START("LINE5")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ins") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']')
+
+ PORT_START("LINE6")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Center") PORT_CODE(KEYCODE_F3)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('~')
+
+ PORT_START("LINE7")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PgDn") PORT_CODE(KEYCODE_PGDN)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Back") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
+
+ PORT_START("LINE8")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Rus/Lat") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
+INPUT_PORTS_END
+
+/* Machine driver */
+static const cassette_interface mikrosha_cassette_interface =
+{
+ rkm_cassette_formats,
+ NULL,
+ (cassette_state)(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED),
+ NULL,
+ NULL
+};
+
+
+static WRITE_LINE_DEVICE_HANDLER(mikrosha_pit_out2)
+{
+
+}
+
+static const struct pit8253_config mikrosha_pit8253_intf =
+{
+ {
+ {
+ 0,
+ DEVCB_NULL,
+ DEVCB_NULL
+ },
+ {
+ 0,
+ DEVCB_NULL,
+ DEVCB_NULL
+ },
+ {
+ 2000000,
+ DEVCB_NULL,
+ DEVCB_LINE(mikrosha_pit_out2)
+ }
+ }
+};
+
+/* F4 Character Displayer */
+static const gfx_layout mikrosha_charlayout =
+{
+ 8, 8, /* 8 x 8 characters */
+ 256, /* 256 characters */
+ 1, /* 1 bits per pixel */
+ { 0 }, /* no bitplanes */
+ /* x offsets */
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ /* y offsets */
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
+ 8*8 /* every char takes 8 bytes */
+};
+
+static GFXDECODE_START( mikrosha )
+ GFXDECODE_ENTRY( "gfx1", 0x0000, mikrosha_charlayout, 0, 1 )
+GFXDECODE_END
+
+static MACHINE_CONFIG_START( mikrosha, mikrosha_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", I8080, XTAL_16MHz / 9)
+ MCFG_CPU_PROGRAM_MAP(mikrosha_mem)
+ MCFG_CPU_IO_MAP(mikrosha_io)
+
+ MCFG_MACHINE_RESET( radio86 )
+
+ MCFG_I8255_ADD( "ppi8255_1", mikrosha_ppi8255_interface_1 )
+
+ MCFG_I8255_ADD( "ppi8255_2", mikrosha_ppi8255_interface_2 )
+
+ MCFG_I8275_ADD ( "i8275", mikrosha_i8275_interface)
+
+ MCFG_PIT8253_ADD( "pit8253", mikrosha_pit8253_intf )
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_SIZE(78*6, 30*10)
+ MCFG_SCREEN_VISIBLE_AREA(0, 78*6-1, 0, 30*10-1)
+ MCFG_SCREEN_UPDATE_STATIC(radio86)
+
+ MCFG_GFXDECODE(mikrosha)
+ MCFG_PALETTE_LENGTH(3)
+ MCFG_PALETTE_INIT(radio86)
+
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_WAVE_ADD(WAVE_TAG, CASSETTE_TAG)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+
+ MCFG_I8257_ADD("dma8257", XTAL_16MHz / 9, radio86_dma)
+
+ MCFG_CASSETTE_ADD( CASSETTE_TAG, mikrosha_cassette_interface )
+MACHINE_CONFIG_END
+
+
+/* ROM definition */
+ROM_START( mikrosha )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "mikrosha.rom", 0xf800, 0x0800, CRC(86A83556) SHA1(94b1baad0a419145939a891ff51f4324e8e4ddd2))
+ ROM_REGION(0x0800, "gfx1",0)
+ ROM_LOAD ("mikrosha.fnt", 0x0000, 0x0800, CRC(B315DA1C) SHA1(b5bf9abc0fff75b1aba709a7f08b23d4a89bb04b))
+ROM_END
+
+ROM_START( m86rk )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "m86rk.bin", 0xf800, 0x0800, CRC(a898d77a) SHA1(c2497bf8434b5028fe0a9fc09be311465d5553a5))
+ ROM_REGION(0x0800, "gfx1",0)
+ /* here should probably be different rom */
+ ROM_LOAD ("mikrosha.fnt", 0x0000, 0x0800, CRC(B315DA1C) SHA1(b5bf9abc0fff75b1aba709a7f08b23d4a89bb04b))
+ROM_END
+
+/* Driver */
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1987, mikrosha, radio86,0, mikrosha, mikrosha, radio86_state, radio86, "Lianozovo Electromechanical Factory", "Mikrosha", 0)
+COMP( 1987, m86rk, radio86,0, mikrosha, mikrosha, radio86_state, radio86, "<unknown>", "Mikrosha-86RK", 0)