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-rw-r--r--src/mess/drivers/c65.c391
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diff --git a/src/mess/drivers/c65.c b/src/mess/drivers/c65.c
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+/***************************************************************************
+
+ commodore c65 home computer
+ PeT mess@utanet.at
+
+ documention
+ www.funet.fi
+
+***************************************************************************/
+
+/*
+
+2008 - Driver Updates
+---------------------
+
+(most of the informations are taken from http://www.zimmers.net/cbmpics/ )
+
+
+[CBM systems which belong to this driver]
+
+* Commodore 65 (1989)
+
+Also known as C64 DX at early stages of the project. It was cancelled
+around 1990-1991. Only few units survive (they were sold after Commodore
+liquidation in 1994).
+
+CPU: CSG 4510 (3.54 MHz)
+RAM: 128 kilobytes, expandable to 8 megabytes
+ROM: 128 kilobytes
+Video: CSG 4569 "VIC-III" (6 Video modes; Resolutions from 320x200 to
+ 1280x400; 80 columns text; Palette of 4096 colors)
+Sound: CSG 8580 "SID" x2 (6 voice stereo synthesizer/digital sound
+ capabilities)
+Ports: CSG 4510 (2 Joystick/Mouse ports; CBM Serial port; CBM 'USER'
+ port; CBM Monitor port; Power and reset switches; C65 bus drive
+ port; RGBI video port; 2 RCA audio ports; RAM expansion port; C65
+ expansion port)
+Keyboard: Full-sized 77 key QWERTY (12 programmable function keys;
+ 4 direction cursor-pad)
+Additional Hardware: Built in 3.5" DD disk drive (1581 compatible)
+Miscellaneous: Partially implemented Commodore 64 emulation
+
+[Notes]
+
+The datasette port was removed here. C65 supports an additional "dumb"
+drive externally. It also features, in addition to the standard CBM
+bus serial (available in all modes), a Fast and a Burst serial bus
+(both available in C65 mode only)
+
+*/
+
+
+#include "emu.h"
+#include "cpu/m6502/m4510.h"
+#include "sound/sid6581.h"
+#include "machine/6526cia.h"
+#include "machine/cbmipt.h"
+#include "video/vic4567.h"
+#include "includes/cbm.h"
+#include "formats/cbm_snqk.h"
+#include "includes/c64_legacy.h"
+#include "includes/c65.h"
+#include "machine/cbmiec.h"
+#include "machine/ram.h"
+
+/*************************************
+ *
+ * Main CPU memory handlers
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( c65_mem , AS_PROGRAM, 8, c65_state )
+ AM_RANGE(0x00000, 0x07fff) AM_RAMBANK("bank11")
+ AM_RANGE(0x08000, 0x09fff) AM_READ_BANK("bank1") AM_WRITE_BANK("bank12")
+ AM_RANGE(0x0a000, 0x0bfff) AM_READ_BANK("bank2") AM_WRITE_BANK("bank13")
+ AM_RANGE(0x0c000, 0x0cfff) AM_READ_BANK("bank3") AM_WRITE_BANK("bank14")
+ AM_RANGE(0x0d000, 0x0d7ff) AM_READ_BANK("bank4") AM_WRITE_BANK("bank5")
+ AM_RANGE(0x0d800, 0x0dbff) AM_READ_BANK("bank6") AM_WRITE_BANK("bank7")
+ AM_RANGE(0x0dc00, 0x0dfff) AM_READ_BANK("bank8") AM_WRITE_BANK("bank9")
+ AM_RANGE(0x0e000, 0x0ffff) AM_READ_BANK("bank10") AM_WRITE_BANK("bank15")
+ AM_RANGE(0x10000, 0x1f7ff) AM_RAM
+ AM_RANGE(0x1f800, 0x1ffff) AM_RAM AM_SHARE("colorram")
+
+ AM_RANGE(0x20000, 0x23fff) AM_ROM /* &c65_dos, maps to 0x8000 */
+ AM_RANGE(0x24000, 0x28fff) AM_ROM /* reserved */
+ AM_RANGE(0x29000, 0x29fff) AM_ROM AM_SHARE("chargen")
+ AM_RANGE(0x2a000, 0x2bfff) AM_ROM AM_SHARE("basic")
+ AM_RANGE(0x2c000, 0x2cfff) AM_ROM AM_SHARE("interface")
+ AM_RANGE(0x2d000, 0x2dfff) AM_ROM AM_SHARE("chargen")
+ AM_RANGE(0x2e000, 0x2ffff) AM_ROM AM_SHARE("kernal")
+
+ AM_RANGE(0x30000, 0x31fff) AM_ROM /*&c65_monitor, monitor maps to 0x6000 */
+ AM_RANGE(0x32000, 0x37fff) AM_ROM /*&c65_basic, */
+ AM_RANGE(0x38000, 0x3bfff) AM_ROM /*&c65_graphics, */
+ AM_RANGE(0x3c000, 0x3dfff) AM_ROM /* reserved */
+ AM_RANGE(0x3e000, 0x3ffff) AM_ROM /* &c65_kernal, */
+
+ AM_RANGE(0x40000, 0x7ffff) AM_NOP
+ /* 8 megabyte full address space! */
+ADDRESS_MAP_END
+
+
+/*************************************
+ *
+ * Input Ports
+ *
+ *************************************/
+
+static INPUT_PORTS_START( c65 )
+ PORT_INCLUDE( common_cbm_keyboard ) /* ROW0 -> ROW7 */
+
+ PORT_START("FUNCT")
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ESC") PORT_CODE(KEYCODE_F1)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F13 F14") PORT_CODE(KEYCODE_F11)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F11 F12") PORT_CODE(KEYCODE_F10)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F9 F10") PORT_CODE(KEYCODE_F9)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("HELP") PORT_CODE(KEYCODE_F12)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ALT") PORT_CODE(KEYCODE_F2) /* non blocking */
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB)
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("NO SCRL") PORT_CODE(KEYCODE_F4)
+
+ PORT_INCLUDE( c65_special ) /* SPECIAL */
+
+ PORT_INCLUDE( c64_controls ) /* CTRLSEL, JOY0, JOY1, PADDLE0 -> PADDLE3, TRACKX, TRACKY, LIGHTX, LIGHTY, OTHER */
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START( c65ger )
+ PORT_INCLUDE( c65 )
+
+ PORT_MODIFY( "ROW1" )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Z { Y }") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z')
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("3 # { 3 Paragraph }") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+
+ PORT_MODIFY( "ROW3" )
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Y { Z }") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y')
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("7 ' { 7 / }") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
+
+ PORT_MODIFY( "ROW4" )
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("0 { = }") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
+
+ PORT_MODIFY( "ROW5" )
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(", < { ; }") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Paragraph \xE2\x86\x91 { \xc3\xbc }") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0x00A7) PORT_CHAR(0x2191)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(": [ { \xc3\xa4 }") PORT_CODE(KEYCODE_COLON) PORT_CHAR(':') PORT_CHAR('[')
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(". > { : }") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("- { ' ` }") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('-')
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("+ { \xc3\x9f ? }") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('+')
+
+ PORT_MODIFY( "ROW6" )
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("/ ? { - _ }") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Sum Pi { ] \\ }") PORT_CODE(KEYCODE_DEL) PORT_CHAR(0x03A3) PORT_CHAR(0x03C0)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("= { # ' }") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('=')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("; ] { \xc3\xb6 }") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(';') PORT_CHAR(']')
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("* ` { + * }") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('*') PORT_CHAR('`')
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\\ { [ \xE2\x86\x91 }") PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('\xa3')
+
+ PORT_MODIFY( "ROW7" )
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("_ { < > }") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('_')
+
+ PORT_MODIFY("SPECIAL") /* special keys */
+ PORT_DIPNAME( 0x20, 0x00, "(C65) DIN ASC (switch)") PORT_CODE(KEYCODE_F3)
+ PORT_DIPSETTING( 0x00, "ASC" )
+ PORT_DIPSETTING( 0x20, "DIN" )
+INPUT_PORTS_END
+
+
+
+/*************************************
+ *
+ * Graphics definitions
+ *
+ *************************************/
+
+static PALETTE_INIT( c65 )
+{
+ int i;
+
+ for ( i = 0; i < 0x100; i++ )
+ {
+ palette_set_color_rgb(machine, i, 0, 0, 0);
+ }
+}
+
+
+/*************************************
+ *
+ * Sound definitions
+ *
+ *************************************/
+
+static const sid6581_interface c65_sound_interface =
+{
+ c64_paddle_read
+};
+
+
+static CBM_IEC_INTERFACE( cbm_iec_intf )
+{
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL
+};
+
+
+/*************************************
+ *
+ * VIC III interfaces
+ *
+ *************************************/
+
+static SCREEN_UPDATE_IND16( c65 )
+{
+ device_t *vic3 = screen.machine().device("vic3");
+
+ vic3_video_update(vic3, bitmap, cliprect);
+ return 0;
+}
+
+static UINT8 c65_lightpen_x_cb( running_machine &machine )
+{
+ return machine.root_device().ioport("LIGHTX")->read() & ~0x01;
+}
+
+static UINT8 c65_lightpen_y_cb( running_machine &machine )
+{
+ return machine.root_device().ioport("LIGHTY")->read() & ~0x01;
+}
+
+static UINT8 c65_lightpen_button_cb( running_machine &machine )
+{
+ return machine.root_device().ioport("OTHER")->read() & 0x04;
+}
+
+static UINT8 c65_c64_mem_r( running_machine &machine, int offset )
+{
+ c65_state *state = machine.driver_data<c65_state>();
+ return state->m_memory[offset];
+}
+
+static const vic3_interface c65_vic3_ntsc_intf = {
+ "screen",
+ "maincpu",
+ VIC4567_NTSC,
+ c65_lightpen_x_cb,
+ c65_lightpen_y_cb,
+ c65_lightpen_button_cb,
+ c65_dma_read,
+ c65_dma_read_color,
+ c65_vic_interrupt,
+ c65_bankswitch_interface,
+ c65_c64_mem_r
+};
+
+static const vic3_interface c65_vic3_pal_intf = {
+ "screen",
+ "maincpu",
+ VIC4567_PAL,
+ c65_lightpen_x_cb,
+ c65_lightpen_y_cb,
+ c65_lightpen_button_cb,
+ c65_dma_read,
+ c65_dma_read_color,
+ c65_vic_interrupt,
+ c65_bankswitch_interface,
+ c65_c64_mem_r
+};
+
+static INTERRUPT_GEN( vic3_raster_irq )
+{
+ device_t *vic3 = device->machine().device("vic3");
+
+ vic3_raster_interrupt_gen(vic3);
+}
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+static MACHINE_CONFIG_START( c65, c65_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", M4510, 3500000) /* or VIC6567_CLOCK, */
+ MCFG_CPU_PROGRAM_MAP(c65_mem)
+ MCFG_CPU_VBLANK_INT("screen", c65_frame_interrupt)
+ MCFG_CPU_PERIODIC_INT(vic3_raster_irq, VIC6567_HRETRACERATE)
+
+ MCFG_MACHINE_START( c65 )
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(VIC6567_VRETRACERATE)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_SIZE(525 * 2, 520 * 2)
+ MCFG_SCREEN_VISIBLE_AREA(VIC6567_STARTVISIBLECOLUMNS ,(VIC6567_STARTVISIBLECOLUMNS + VIC6567_VISIBLECOLUMNS - 1) * 2, VIC6567_STARTVISIBLELINES, VIC6567_STARTVISIBLELINES + VIC6567_VISIBLELINES - 1)
+ MCFG_SCREEN_UPDATE_STATIC( c65 )
+
+ MCFG_PALETTE_LENGTH(0x100)
+ MCFG_PALETTE_INIT( c65 )
+
+ MCFG_VIC3_ADD("vic3", c65_vic3_ntsc_intf)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+ MCFG_SOUND_ADD("sid_r", SID8580, 985248)
+ MCFG_SOUND_CONFIG(c65_sound_interface)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50)
+ MCFG_SOUND_ADD("sid_l", SID8580, 985248)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50)
+
+ /* quickload */
+ MCFG_QUICKLOAD_ADD("quickload", cbm_c65, "p00,prg", CBM_QUICKLOAD_DELAY_SECONDS)
+
+ /* cia */
+ MCFG_MOS6526R1_ADD("cia_0", 3500000, c65_ntsc_cia0)
+ MCFG_MOS6526R1_ADD("cia_1", 3500000, c65_ntsc_cia1)
+
+ /* floppy from serial bus */
+ MCFG_CBM_IEC_ADD(cbm_iec_intf, NULL)
+
+ MCFG_FRAGMENT_ADD(c64_cartslot)
+
+ /* internal ram */
+ MCFG_RAM_ADD(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("128K")
+ MCFG_RAM_EXTRA_OPTIONS("640K,4224K")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( c65pal, c65 )
+ MCFG_SCREEN_MODIFY("screen")
+ MCFG_SCREEN_REFRESH_RATE(VIC6569_VRETRACERATE)
+ MCFG_SCREEN_SIZE(625 * 2, 520 * 2)
+ MCFG_SCREEN_VISIBLE_AREA(VIC6569_STARTVISIBLECOLUMNS, (VIC6569_STARTVISIBLECOLUMNS + VIC6569_VISIBLECOLUMNS - 1) * 2, VIC6569_STARTVISIBLELINES, VIC6569_STARTVISIBLELINES + VIC6569_VISIBLELINES - 1)
+
+ MCFG_DEVICE_REMOVE("vic3")
+ MCFG_VIC3_ADD("vic3", c65_vic3_pal_intf)
+
+ /* sound hardware */
+ MCFG_SOUND_REPLACE("sid_r", SID8580, 1022727)
+ MCFG_SOUND_CONFIG(c65_sound_interface)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50)
+ MCFG_SOUND_REPLACE("sid_l", SID8580, 1022727)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50)
+
+ /* cia */
+ MCFG_DEVICE_REMOVE("cia_0")
+ MCFG_DEVICE_REMOVE("cia_1")
+ MCFG_MOS6526R1_ADD("cia_0", 3500000, c65_pal_cia0)
+ MCFG_MOS6526R1_ADD("cia_1", 3500000, c65_pal_cia1)
+MACHINE_CONFIG_END
+
+
+/*************************************
+ *
+ * ROM definition(s)
+ *
+ *************************************/
+
+
+ROM_START( c65 )
+ ROM_REGION( 0x400000, "maincpu", 0 )
+ ROM_SYSTEM_BIOS( 0, "910111", "V0.9.910111" )
+ ROMX_LOAD( "910111.bin", 0x20000, 0x20000, CRC(c5d8d32e) SHA1(71c05f098eff29d306b0170e2c1cdeadb1a5f206), ROM_BIOS(1) )
+ ROM_SYSTEM_BIOS( 1, "910523", "V0.9.910523" )
+ ROMX_LOAD( "910523.bin", 0x20000, 0x20000, CRC(e8235dd4) SHA1(e453a8e7e5b95de65a70952e9d48012191e1b3e7), ROM_BIOS(2) )
+ ROM_SYSTEM_BIOS( 2, "910626", "V0.9.910626" )
+ ROMX_LOAD( "910626.bin", 0x20000, 0x20000, CRC(12527742) SHA1(07c185b3bc58410183422f7ac13a37ddd330881b), ROM_BIOS(3) )
+ ROM_SYSTEM_BIOS( 3, "910828", "V0.9.910828" )
+ ROMX_LOAD( "910828.bin", 0x20000, 0x20000, CRC(3ee40b06) SHA1(b63d970727a2b8da72a0a8e234f3c30a20cbcb26), ROM_BIOS(4) )
+ ROM_SYSTEM_BIOS( 4, "911001", "V0.9.911001" )
+ ROMX_LOAD( "911001.bin", 0x20000, 0x20000, CRC(0888b50f) SHA1(129b9a2611edaebaa028ac3e3f444927c8b1fc5d), ROM_BIOS(5) )
+ROM_END
+
+ROM_START( c64dx )
+ ROM_REGION( 0x400000, "maincpu", 0 )
+ ROM_LOAD( "910429.bin", 0x20000, 0x20000, CRC(b025805c) SHA1(c3b05665684f74adbe33052a2d10170a1063ee7d) )
+ROM_END
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+
+COMP( 1991, c65, 0, 0, c65, c65, c65_state, c65, "Commodore Business Machines", "Commodore 65 Development System (Prototype, NTSC)", GAME_NOT_WORKING )
+COMP( 1991, c64dx, c65, 0, c65pal, c65ger, c65_state, c65pal, "Commodore Business Machines", "Commodore 64DX Development System (Prototype, PAL, German)", GAME_NOT_WORKING )