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- ;
- ; *** NEO-GEO SYSTEM PROGRAM ADDRESS ***
- ;
- SYSTEM_RESET EQU 0C00402H
- SYSTEM_INT1 EQU 0C00438H
- SYSTEM_RETURN EQU 0C00444H
- SYSTEM_IO EQU 0C0044AH
- CREDIT_CHECK EQU 0C00450H
- CREDIT_DOWN EQU 0C00456H
- READ_CALENDAR EQU 0C0045CH
- SYS_CARD EQU 0C00468H
- SYS_CARD_ERROR EQU 0C0046EH
- FIX_CLEAR EQU 0C004C2H
- LSP_1st EQU 0C004C8H
- MESS_OUT EQU 0C004CEH
- METRIC_DATA EQU 0C02000H
- SIN_DATA EQU 0C04000H
- RND_DATA EQU 0C04200H
- MVS_CREDIT EQU 0D00034H
- SOUND_STOP EQU 0D00046H
- ;
- ; *** NEO-GEO MEMORY & I/O MAPPING ***
- ;
- *** LSPC (LINE SPRITE CONTROLER) ***
- LSPC_ADRS EQU 3C0000H W word
- ; vram address register
- LSPC_DATA EQU 3C0002H R/W word
- ; vram data register
- LSPC_INC EQU 3C0004H W word
- ; auto increment data register (after vram write)
- LSPC_MODE EQU 3C0006H W word
- ; mode register
- ; bit 8-15 auto action speed (1/60 sec)
- ; bit 3 action stop, bit 4-7 timer interrupt mode set
- V_POSITION EQU 3C0006H R word
- ; laster virtical position read register
- ; bit 0-2 auto action character code bit 0-2
- ; bit 3 0=ntsc 1=pal
- ; bit 7-15 v position (*80H)
- TIMER_HI EQU 3C0008H W word
- TIMER_LOW EQU 3C000AH W word
- ; timer value set
- ; count down cycle 1 picsel =167 usec
- INT_CLEAR EQU 3C000CH W word
- ; interrupt clear
- CL_TIMER EQU 00000010B timer
- CL_BLANK EQU 00000100B v blanking
- *** PALETTE ( COLOR GENERATER ) ***
- COLOR_GEN EQU 400000H -401FFFH bank 0 word or long word
- ; 1 color = [R,G,B] 4 bit * dark bit
- ; 1 palette = 16 color (code 0 = blank)
- ; all 256 palette
- ; palette 0-0FH fix, 10H-FEH line sprite, FFH (code F only) back ground
- ;
- ; bit 0-3 blue b1-b4
- ; 4-7 green b1-b4
- ; 8-11 red b1-b4
- ; 12 blue b0
- ; 13 green b0
- ; 14 red b0
- ; 15 dark bit
- ;
- ; *** read write only v blanking ***
- SHADOW_OFF EQU 3A0001H W byte shadow bit off
- SHADOW_ON EQU 3A0011H W byte shadow bit on
- PALETTE_BANK0 EQU 3A001FH W byte palette bank 0
- PALETTE_BANK1 EQU 3A000FH W byte palette bank 1
- *** WATCH DOG ***
- WATCH_DOG EQU 300001H W byte
- ; write this address by 100 ms
- *** SOUND ***
- SOUND EQU 320000H R/W byte
- ; write send sound code and request NMI to sound CPU
- *** LEVER I/O *** negative ie. 0=on 1=off
- UP EQU 00000001B
- DOWN EQU 00000010B
- LEFT EQU 00000100B
- RIGHT EQU 00001000B
- A_BUTTON EQU 00010000B
- B_BUTTON EQU 00100000B
- C_BUTTON EQU 01000000B
- D_BUTTON EQU 10000000B
- B_UP EQU 0
- B_DOWN EQU 1
- B_LEFT EQU 2
- B_RIGHT EQU 3
- B_A_BUTTON EQU 4
- B_B_BUTTON EQU 5
- B_C_BUTTON EQU 6
- B_D_BUTTON EQU 7
- START_SELECT EQU 380000H R byte
- P1_START EQU 00000001B
- P1_SELECT EQU 00000010B
- P2_START EQU 00000100B
- P2_SELECT EQU 00001000B
- IC_CARD_ON EQU 00110000B 0=IC card on
- B_P1_START EQU 0
- B_P1_SELECT EQU 1
- B_P2_START EQU 2
- B_P2_SELECT EQU 3
- *** IC CARD ***
- IC_WRITE_EI1 EQU 3A0005H W byte
- IC_WRITE_EI2 EQU 3A0017H W byte
- IC_WRITE_DI1 EQU 3A0007H W byte
- IC_WRITE_DI2 EQU 3A0015H W byte
- IC_SELECT EQU 3A0009H W byte
- IC_NORMAL EQU 3A0019H W byte
- IC_BANK EQU 380011H W byte b0-2
- IC_MEMORY EQU 800000H IC card memory area
- *** MEMORY BANK ***
- SYSTEM_ROM EQU 3A0003H W byte 0-7FH is system rom
- USER_ROM EQU 3A0013H W byte 0-7FH is user rom
- *** LINE SPRITE ***
- ; one line sprite=32 characters (1 character=16*16 dot)
- SP_CODE EQU 00H 40H,41,42,-,7F (line sprite 0 ,1)
- ; --- 5F3FH (line sprite 380)
- ; even address character code 15 bit (bit 15 don't care)
- ; odd address character atrribute
- ; bit 0 h flip
- ; 1 v flip
- ; 2 auto action by 4 character
- ; 3 " 8
- ; 4-7 not used
- ; 8-15 palette No
- ;
- SP_BIG EQU 8000H (line sprite 0)
- ; -817CH (line sprite 380)
- ; line sprite reduction number
- ; bit 0-7 v reduction (X+1)/100H %
- ; 8-11 h reduction (X+1)/10H %
- ; 12-15 not used
- SP_V EQU 8200H (line sprite 0)
- ; -837CH (line sprite 380)
- ; line sprite v position
- ; bit 0-5 active character No (if 0 then not displayed)
- ; 6 chane bit
- ; 7-15 v position (9 bit)
- CHANE EQU 01000000B
- B_CHANE EQU 6
- SP_H EQU 8400H (line sprite 0)
- ; -857CH (line sprite 380)
- ; line sprite h position
- ; bit 0-6 not used
- ; 7-15 h position (9 bit)
- *** FIX ***
- ; one character 8*8 dot
- FIX EQU 7002H (v=0 h=0)
- ; -73FDH (v=27 h=31)
- ; h position right => address +20H
- ; v position down => address +1
- ; bit 0-11 character code
- ; 12-15 palette No
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