/*************************************************************************** I'm in no mood to write documentation now, so if you have any questions about this driver, please address them to Pat Lawrence . I'll be happy to help you out any way I can. Crystal Castles memory map. Address A A A A A A A A A A A A A A A A R D D D D D D D D Function 1 1 1 1 1 1 9 8 7 6 5 4 3 2 1 0 / 7 6 5 4 3 2 1 0 5 4 3 2 1 0 W ------------------------------------------------------------------------------- 0000 X X X X X X X X X X X X X X X X W X X X X X X X X X Coordinate 0001 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 W D D D D D D D D Y Coordinate 0002 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 R/W D D D D Bit Mode 0003-0BFF 0 0 0 0 A A A A A A A A A A A A R/W D D D D D D D D RAM (DRAM) 0C00-7FFF 0 A A A A A A A A A A A A A A A R/W D D D D D D D D Screen RAM 8000-8DFF 1 0 0 0 A A A A A A A A A A A A R/W D D D D D D D D RAM (STATIC) 8E00-8EFF 1 0 0 0 1 1 1 0 A A A A A A A A R/W D D D D D D D D MOB BUF 2 ------------------------------------------------------------------------------- 8F00-8FFF 1 0 0 0 1 1 1 1 A A A A A A A A R/W D D D D D D D D MOB BUF 1 0 0 R/W D D D D D D D D MOB Picture 0 1 R/W D D D D D D D D MOB Vertial 1 0 R/W D D D D D D D D MOB Priority 1 1 R/W D D D D D D D D MOB Horizontal ------------------------------------------------------------------------------- 9000-90FF 1 0 0 1 0 0 X X A A A A A A A A R/W D D D D D D D D NOVRAM 9400-9401 1 0 0 1 0 1 0 X X X X X X X X A R TRAK-BALL 9500-9501 1 0 0 1 0 1 0 X X X X X X X X A R TRAK-BALL 9600 1 0 0 1 0 1 1 X X X X X X X X X R IN0 R D COIN R R D COIN L R D COIN AUX R D SLAM R D SELF TEST R D SPARE R D JMP1 R D JMP2 ------------------------------------------------------------------------------- 9800-980F 1 0 0 1 1 0 0 X X X X X A A A A R/W D D D D D D D D CI/O 0 9A00-9A0F 1 0 0 1 1 0 1 X X X X X A A A A R/W D D D D D D D D CI/O 1 9A08 D D D Option SW D SPARE D SPARE D SPARE 9C00 1 0 0 1 1 1 0 0 0 X X X X X X X W RECALL ------------------------------------------------------------------------------- 9C80 1 0 0 1 1 1 0 0 1 X X X X X X X W D D D D D D D D H Scr Ctr Load 9D00 1 0 0 1 1 1 0 1 0 X X X X X X X W D D D D D D D D V Scr Ctr Load 9D80 1 0 0 1 1 1 0 1 1 X X X X X X X W Int. Acknowledge 9E00 1 0 0 1 1 1 1 0 0 X X X X X X X W WDOG 1 0 0 1 1 1 1 0 1 X X X X A A A W D OUT0 9E80 0 0 0 W D Trak Ball Light 9E81 0 0 1 W D 9E82 0 1 0 W D Store Low 9E83 0 1 1 W D Store High 9E84 1 0 0 W D Spare 9E85 1 0 1 W D Coin Counter R 9E86 1 1 0 W D Coin Counter L 9E87 1 1 1 W D BANK0-BANK1 1 0 0 1 1 1 1 1 0 X X X X A A A W D OUT1 9F00 0 0 0 W D ^AX 9F01 0 0 1 W D ^AY 9F02 0 1 0 W D ^XINC 9F03 0 1 1 W D ^YINC 9F04 1 0 0 W D PLAYER2 9F05 1 0 1 W D ^SIRE 9F06 1 1 0 W D BOTHRAM 9F07 1 1 1 W D BUF1/^BUF2 9F80-9FBF 1 0 0 1 1 1 1 1 1 X A A A A A A W D D D D D D D D COLORAM A000-FFFF 1 A A A A A A A A A A A A A A A R D D D D D D D D Program ROM Things to do: 1) Sound. It's better! The startup sound no longer plays. The game sounds are slightly slow..... 2) Dynamic palette. I haven't given this the time it deserves. I'll get to this one soon. 3) The game is always in cocktail mode. If I try to take it out of cocktail mode, the player 1 and player 2 buttons no longer work. Needless to say, I have not emulated cocktail mode, nor do I plan to so only try 1 player games for now. :-) 4) No high score saving yet. 5) Cannot change the settings of the game. 6) The MSDOS driver needs a tweaked VGA mode for 256x232. 7) Vertical scrolling is wrong. Is horizontal scrolling right? ***************************************************************************/ #include "driver.h" #include "vidhrdw/generic.h" extern unsigned char *ccastles_bitmapram; extern unsigned char *ccastles_mobram1; extern unsigned char *ccastles_mobram2; extern int ccastles_sh_start(void); extern void ccastles_sh_stop(void); extern void ccastles_sh_update(void); extern void ccastles_vh_screenrefresh(struct osd_bitmap *bitmap); extern int ccastles_vh_start(void); extern void ccastles_vh_stop(void); extern int ccastles_init_machine(const char *gamename); extern int ccastles_interrupt(void); extern int ccastles_trakball_x(int data); extern int ccastles_trakball_y(int data); extern int ccastles_trakball_r(int offset); extern int ccastles_xy_r(int offset); extern int ccastles_rom_r(int offset); extern int ccastles_IN0_r(int offset); extern int ccastles_random_r(int offset); extern int ccastles_bitmode_r(int offset); extern void ccastles_xy_w(int offset, int data); extern void ccastles_axy_w(int offset, int data); extern void ccastles_bitmode_w(int offset, int data); extern void ccastles_pokey0_w(int offset,int data); extern void ccastles_pokey1_w(int offset,int data); extern void ccastles_bitmapram_w(int offset,int data); extern void ccastles_bankswitch_w(int offset,int data); extern void ccastles_colorram_w(int offset,int data); static struct MemoryReadAddress readmem[] = { { 0x0000, 0x0001, MRA_RAM }, { 0x0002, 0x0002, ccastles_bitmode_r }, { 0x0003, 0x90ff, MRA_RAM }, /* All RAM */ { 0x9500, 0x9501, ccastles_trakball_r }, { 0x9600, 0x9600, ccastles_IN0_r }, /* IN0 */ { 0x980A, 0x980A, ccastles_random_r },/* Random # generator on a Pokey */ { 0x9A08, 0x9A08, input_port_1_r }, /* OPTION SW */ { 0x9C80, 0x9C80, MRA_RAM }, /* Horizontal Scroll */ { 0x9D00, 0x9D00, MRA_RAM }, /* Vertical Scroll */ { 0x9F80, 0x9FBF, MRA_RAM }, /* COLORAM */ { 0xA000, 0xDFFF, ccastles_rom_r }, { 0xE000, 0xFFFF, MRA_ROM }, /* ROMs/interrupt vectors */ { -1 } /* end of table */ }; static struct MemoryWriteAddress writemem[] = { { 0x0000, 0x0001, ccastles_xy_w }, { 0x0002, 0x0002, ccastles_bitmode_w }, { 0x0003, 0x90FF, MWA_RAM }, /* All RAM */ { 0x9800, 0x980F, ccastles_pokey0_w }, { 0x9A00, 0x9A0F, ccastles_pokey1_w }, { 0x9C80, 0x9C80, MWA_RAM }, /* Horizontal Scroll */ { 0x9D00, 0x9D00, MWA_RAM }, /* Vertical Scroll */ { 0x9D80, 0x9D80, MWA_NOP }, { 0x9E00, 0x9E00, MWA_NOP }, { 0x9E80, 0x9E81, MWA_NOP }, { 0x9E87, 0x9E87, ccastles_bankswitch_w }, { 0x9F00, 0x9F01, ccastles_axy_w }, { 0x9F02, 0x9F07, MWA_RAM }, { 0x9F80, 0x9FBF, ccastles_colorram_w }, { -1 } /* end of table */ }; static struct InputPort ccastles_input_ports[] = { { /* IN0 */ 0xFF, { OSD_KEY_5, OSD_KEY_3, OSD_KEY_4, 0, 0, 0, OSD_KEY_CONTROL, 0 }, { 0, 0, 0, 0, 0, 0, OSD_JOY_FIRE, 0 } }, { /* IN1 */ 0x3F, { 0, 0, 0, OSD_KEY_1, OSD_KEY_2, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0 } }, { -1 } /* end of table */ }; /* Added 300697 PJL */ static struct TrakPort ccastles_trak_ports[] = { { Y_AXIS, 0, 1.5, ccastles_trakball_y }, { X_AXIS, 0, 1.0, ccastles_trakball_x }, { -1 } }; /* End 300697 PJL */ static struct KEYSet ccastles_keys[] = { { -1 } }; static struct DSW ccastles_dsw[] = { { 0, 0x10, "SELF TEST", { "ON", "OFF" } }, { -1 } }; static struct GfxLayout ccastles_charlayout = { 5,5, /* 8*8 characters */ 39, /* 38 characters */ 1, /* 1 bits per pixel */ { 0 }, /* the two bitplanes are separated */ { 0*8, 1*8, 2*8, 3*8, 4*8 }, { 4, 3, 2, 1, 0 }, 5*8 /* every char takes 5 consecutive bytes */ }; static struct GfxLayout ccastles_spritelayout = { 8,16, /* 16*16 sprites */ 256, /* 128 sprites */ 3, /* 4 bits per pixel */ { 0, 4, 0x2000*8+4 }, /* the four bitplanes are separated */ { 0, 1, 2, 3, 1*8+0, 1*8+1, 1*8+2, 1*8+3 }, { 0*16,1*16,2*16,3*16,4*16,5*16,6*16,7*16,8*16,9*16,10*16,11*16,12*16, 13*16,14*16,15*16 }, 16*8*2 /* every sprite takes 32 consecutive bytes */ }; static struct GfxDecodeInfo ccastles_gfxdecodeinfo[] = { { 0, 0xE20C, &ccastles_charlayout, 0, 1 }, { 1, 0x0000, &ccastles_spritelayout, 2, 1 }, { -1 } /* end of array */ }; static unsigned char ccastles_palette[] = { 0x00,0x00,0x00, /* Color 0 */ 0xC0,0x00,0x00, /* Color 1 */ 0xFF,0x00,0x00, /* Color 2 - Sprite color 0 */ 0xF3,0xB3,0x00, /* Color 3 - Sprite color 1 */ 0xAB,0x8F,0x1B, /* Color 4 - Sprite color 2 */ 0x73,0x00,0x37, /* Color 5 - Sprite color 3 */ 0x77,0x53,0x07, /* Color 6 - Sprite color 4 */ 0x00,0x7F,0x00, /* Color 7 - Sprite color 5 */ 0x6B,0xC3,0x53, /* Color 8 - Sprite color 6 */ 0x00,0x00,0x00, /* Color 9 - Sprite color 7 */ 0x00,0x00,0x00, /* Color 10 - Background */ 0xC0,0xC0,0xC0, /* Color 11 - Hidden 0 - walkways */ 0x70,0x92,0xA6, /* Color 12 - Score border: cyan */ 0x40,0x5F,0x71, /* Color 13 - Hidden 1 - dark walls: dark grey */ 0x00,0x00,0x00, /* Color 14 - Hidden 2 - outline : black */ 0xC0,0x00,0x00, /* Color 15 - Score border: blue */ 0xFF,0xFF,0xB0, /* Color 16 - Pathways between castles */ 0xE0,0xE0,0xE0, /* Color 17 - Text */ 0x00,0x00,0x00, /* Color 18 - Interior Corridor */ 0xC0,0xC0,0xC0, /* Color 19 - Main walkways */ 0x70,0x92,0xA6, /* Color 20 - Bright walls */ 0x40,0x5F,0x71, /* Color 21 - Dark walls */ 0x00,0x00,0x00, /* Color 22 - Main castle outline */ 0xC0,0x00,0x00, /* Color 23 - Gems */ 0x00,0xFF,0x00, /* Color 24 - ??? */ 0xC0,0xC0,0xC0, /* Color 25 - Gem highlight */ 0x00,0xFF,0x00, /* Color 26 - ??? */ }; static unsigned char ccastles_colortable[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F }; static struct MachineDriver ccastles_machine = { /* basic machine hardware */ { { CPU_M6502, 1500000, /* 1.5 Mhz */ 0, readmem,writemem,0,0, ccastles_interrupt,4 } }, 60, ccastles_init_machine, /* video hardware -- game resolution is 256x232x4 Note: SCROLLING IS SCREWEY! The vertical gap is due to the 256x256 bitmap. However, scrolling is still wrong, but until I see an actual machine, I won't know how to fix it... */ 256, 232, { 0, 255, 0, 231 }, ccastles_gfxdecodeinfo, sizeof(ccastles_palette)/3,sizeof(ccastles_colortable), 0, 0, ccastles_vh_start, ccastles_vh_stop, ccastles_vh_screenrefresh, /* sound hardware */ 0, 0, ccastles_sh_start, ccastles_sh_stop, ccastles_sh_update }; /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START(ccastles_rom) ROM_REGION(0x14000) /* 64k for code */ ROM_LOAD("ccastles.303", 0xA000, 0x2000) ROM_LOAD("ccastles.304", 0xC000, 0x2000) ROM_LOAD("ccastles.305", 0xE000, 0x2000) ROM_LOAD("ccastles.102", 0x10000, 0x2000) /* Bank switched ROMs con- */ ROM_LOAD("ccastles.101", 0x12000, 0x2000) /* aining level data. */ ROM_REGION(0x4000) /* temporary space for graphics */ ROM_LOAD("ccastles.107", 0x0000, 0x2000) ROM_LOAD("ccastles.106", 0x2000, 0x2000) ROM_END struct GameDriver ccastles_driver = { "Crystal Castles", "ccastles", "PAT LAWRENCE\nCHRIS HARDY\nSTEVE CLYNES\n", &ccastles_machine, ccastles_rom, 0, 0, 0, ccastles_input_ports, ccastles_trak_ports, ccastles_dsw, ccastles_keys, 0, ccastles_palette, ccastles_colortable, 8*13, 8*16, /* Not sure where the high scores are saved in RAM... */ 0x00, 0x00 };