diff --git a/hardware.inc b/hardware.inc index c4368d9..efadc7e 100644 --- a/hardware.inc +++ b/hardware.inc @@ -24,6 +24,7 @@ ;* Rev 2.7 - 19-Jan-19 : Added rPCMXX (ISSOtm) ;* Rev 2.8 - 03-Feb-19 : Added audio registers flags (Álvaro Cuesta) ;* Rev 2.9 - 28-Feb-20 : Added utility rP1 constants +;* Rev 3.0 - 27-Aug-20 : Register ordering, byte-based sizes, OAM additions, general cleanup (Blitter Object) ; If all of these are already defined, don't do it again. @@ -33,19 +34,22 @@ HARDWARE_INC SET 1 rev_Check_hardware_inc : MACRO ;NOTE: REVISION NUMBER CHANGES MUST BE ADDED ;TO SECOND PARAMETER IN FOLLOWING LINE. - IF \1 > 2.9 ;PUT REVISION NUMBER HERE + IF \1 > 3.0 ;PUT REVISION NUMBER HERE WARN "Version \1 or later of 'hardware.inc' is required." ENDC ENDM -_HW EQU $FF00 - _VRAM EQU $8000 ; $8000->$9FFF +_VRAM8000 EQU _VRAM +_VRAM8800 EQU _VRAM+$800 +_VRAM9000 EQU _VRAM+$1000 _SCRN0 EQU $9800 ; $9800->$9BFF _SCRN1 EQU $9C00 ; $9C00->$9FFF _SRAM EQU $A000 ; $A000->$BFFF -_RAM EQU $C000 ; $C000->$DFFF +_RAM EQU $C000 ; $C000->$CFFF / $C000->$DFFF +_RAMBANK EQU $D000 ; $D000->$DFFF _OAMRAM EQU $FE00 ; $FE00->$FE9F +_IO EQU $FF00 ; $FF00->$FF7F,$FFFF _AUD3WAVERAM EQU $FF30 ; $FF30->$FF3F _HRAM EQU $FF80 ; $FF80->$FFFE @@ -57,27 +61,6 @@ rROMB1 EQU $3000 ; $3000->$3fff - If more than 256 ROM banks are present. rRAMB EQU $4000 ; $4000->$5fff - Bit 3 enables rumble (if present) -; -- -; -- OAM flags -; -- - -OAMF_PRI EQU %10000000 ; Priority -OAMF_YFLIP EQU %01000000 ; Y flip -OAMF_XFLIP EQU %00100000 ; X flip -OAMF_PAL0 EQU %00000000 ; Palette number; 0,1 (DMG) -OAMF_PAL1 EQU %00010000 ; Palette number; 0,1 (DMG) -OAMF_BANK0 EQU %00000000 ; Bank number; 0,1 (GBC) -OAMF_BANK1 EQU %00001000 ; Bank number; 0,1 (GBC) - -OAMF_PALMASK EQU %00000111 ; Palette (GBC) - -OAMB_PRI EQU 7 ; Priority -OAMB_YFLIP EQU 6 ; Y flip -OAMB_XFLIP EQU 5 ; X flip -OAMB_PAL1 EQU 4 ; Palette number; 0,1 (DMG) -OAMB_BANK1 EQU 3 ; Bank number; 0,1 (GBC) - - ;*************************************************************************** ;* ;* Custom registers @@ -86,7 +69,7 @@ OAMB_BANK1 EQU 3 ; Bank number; 0,1 (GBC) ; -- ; -- P1 ($FF00) -; -- Register for reading joy pad info. (R/W) +; -- Register for reading joy pad info. (R/W) ; -- rP1 EQU $FF00 @@ -101,18 +84,21 @@ P1F_GET_DPAD EQU P1F_5 P1F_GET_BTN EQU P1F_4 P1F_GET_NONE EQU P1F_4 | P1F_5 + ; -- ; -- SB ($FF01) ; -- Serial Transfer Data (R/W) ; -- rSB EQU $FF01 + ; -- ; -- SC ($FF02) ; -- Serial I/O Control (R/W) ; -- rSC EQU $FF02 + ; -- ; -- DIV ($FF04) ; -- Divider register (R/W) @@ -147,254 +133,216 @@ TACF_16KHZ EQU %00000011 TACF_65KHZ EQU %00000010 TACF_262KHZ EQU %00000001 + ; -- ; -- IF ($FF0F) ; -- Interrupt Flag (R/W) ; -- rIF EQU $FF0F -; -- -; -- LCDC ($FF40) -; -- LCD Control (R/W) -; -- -rLCDC EQU $FF40 - -LCDCF_OFF EQU %00000000 ; LCD Control Operation -LCDCF_ON EQU %10000000 ; LCD Control Operation -LCDCF_WIN9800 EQU %00000000 ; Window Tile Map Display Select -LCDCF_WIN9C00 EQU %01000000 ; Window Tile Map Display Select -LCDCF_WINOFF EQU %00000000 ; Window Display -LCDCF_WINON EQU %00100000 ; Window Display -LCDCF_BG8800 EQU %00000000 ; BG & Window Tile Data Select -LCDCF_BG8000 EQU %00010000 ; BG & Window Tile Data Select -LCDCF_BG9800 EQU %00000000 ; BG Tile Map Display Select -LCDCF_BG9C00 EQU %00001000 ; BG Tile Map Display Select -LCDCF_OBJ8 EQU %00000000 ; OBJ Construction -LCDCF_OBJ16 EQU %00000100 ; OBJ Construction -LCDCF_OBJOFF EQU %00000000 ; OBJ Display -LCDCF_OBJON EQU %00000010 ; OBJ Display -LCDCF_BGOFF EQU %00000000 ; BG Display -LCDCF_BGON EQU %00000001 ; BG Display -; "Window Character Data Select" follows BG - ; -- -; -- STAT ($FF41) -; -- LCDC Status (R/W) -; -- -rSTAT EQU $FF41 - -STATF_LYC EQU %01000000 ; LYCEQULY Coincidence (Selectable) -STATF_MODE10 EQU %00100000 ; Mode 10 -STATF_MODE01 EQU %00010000 ; Mode 01 (V-Blank) -STATF_MODE00 EQU %00001000 ; Mode 00 (H-Blank) -STATF_LYCF EQU %00000100 ; Coincidence Flag -STATF_HB EQU %00000000 ; H-Blank -STATF_VB EQU %00000001 ; V-Blank -STATF_OAM EQU %00000010 ; OAM-RAM is used by system -STATF_LCD EQU %00000011 ; Both OAM and VRAM used by system -STATF_BUSY EQU %00000010 ; When set, VRAM access is unsafe - - +; -- AUD1SWEEP/NR10 ($FF10) +; -- Sweep register (R/W) ; -- -; -- SCY ($FF42) -; -- Scroll Y (R/W) +; -- Bit 6-4 - Sweep Time +; -- Bit 3 - Sweep Increase/Decrease +; -- 0: Addition (frequency increases???) +; -- 1: Subtraction (frequency increases???) +; -- Bit 2-0 - Number of sweep shift (# 0-7) +; -- Sweep Time: (n*7.8ms) ; -- -rSCY EQU $FF42 - +rNR10 EQU $FF10 +rAUD1SWEEP EQU rNR10 -; -- -; -- SCY ($FF43) -; -- Scroll X (R/W) -; -- -rSCX EQU $FF43 +AUD1SWEEP_UP EQU %00000000 +AUD1SWEEP_DOWN EQU %00001000 ; -- -; -- LY ($FF44) -; -- LCDC Y-Coordinate (R) +; -- AUD1LEN/NR11 ($FF11) +; -- Sound length/Wave pattern duty (R/W) ; -- -; -- Values range from 0->153. 144->153 is the VBlank period. +; -- Bit 7-6 - Wave Pattern Duty (00:12.5% 01:25% 10:50% 11:75%) +; -- Bit 5-0 - Sound length data (# 0-63) ; -- -rLY EQU $FF44 +rNR11 EQU $FF11 +rAUD1LEN EQU rNR11 ; -- -; -- LYC ($FF45) -; -- LY Compare (R/W) +; -- AUD1ENV/NR12 ($FF12) +; -- Envelope (R/W) ; -- -; -- When LYEQUEQULYC, STATF_LYCF will be set in STAT +; -- Bit 7-4 - Initial value of envelope +; -- Bit 3 - Envelope UP/DOWN +; -- 0: Decrease +; -- 1: Range of increase +; -- Bit 2-0 - Number of envelope sweep (# 0-7) ; -- -rLYC EQU $FF45 +rNR12 EQU $FF12 +rAUD1ENV EQU rNR12 ; -- -; -- DMA ($FF46) -; -- DMA Transfer and Start Address (W) +; -- AUD1LOW/NR13 ($FF13) +; -- Frequency low byte (W) ; -- -rDMA EQU $FF46 +rNR13 EQU $FF13 +rAUD1LOW EQU rNR13 ; -- -; -- BGP ($FF47) -; -- BG Palette Data (W) +; -- AUD1HIGH/NR14 ($FF14) +; -- Frequency high byte (W) ; -- -; -- Bit 7-6 - Intensity for %11 -; -- Bit 5-4 - Intensity for %10 -; -- Bit 3-2 - Intensity for %01 -; -- Bit 1-0 - Intensity for %00 +; -- Bit 7 - Initial (when set, sound restarts) +; -- Bit 6 - Counter/consecutive selection +; -- Bit 2-0 - Frequency's higher 3 bits ; -- -rBGP EQU $FF47 +rNR14 EQU $FF14 +rAUD1HIGH EQU rNR14 ; -- -; -- OBP0 ($FF48) -; -- Object Palette 0 Data (W) +; -- AUD2LEN/NR21 ($FF16) +; -- Sound Length; Wave Pattern Duty (R/W) ; -- -; -- See BGP for info +; -- see AUD1LEN for info ; -- -rOBP0 EQU $FF48 +rNR21 EQU $FF16 +rAUD2LEN EQU rNR21 ; -- -; -- OBP1 ($FF49) -; -- Object Palette 1 Data (W) +; -- AUD2ENV/NR22 ($FF17) +; -- Envelope (R/W) ; -- -; -- See BGP for info +; -- see AUD1ENV for info ; -- -rOBP1 EQU $FF49 +rNR22 EQU $FF17 +rAUD2ENV EQU rNR22 ; -- -; -- WY ($FF4A) -; -- Window Y Position (R/W) -; -- -; -- 0 153. 144->153 is the VBlank period. ; -- -rNR11 EQU $FF11 -rAUD1LEN EQU rNR11 +rLY EQU $FF44 ; -- -; -- AUD1ENV/NR12 ($FF12) -; -- Envelope (R/W) +; -- LYC ($FF45) +; -- LY Compare (R/W) ; -- -; -- Bit 7-4 - Initial value of envelope -; -- Bit 3 - Envelope UP/DOWN -; -- 0: Decrease -; -- 1: Range of increase -; -- Bit 2-0 - Number of envelope sweep (# 0-7) +; -- When LY==LYC, STATF_LYCF will be set in STAT ; -- -rNR12 EQU $FF12 -rAUD1ENV EQU rNR12 +rLYC EQU $FF45 ; -- -; -- AUD1LOW/NR13 ($FF13) -; -- Frequency lo (W) +; -- DMA ($FF46) +; -- DMA Transfer and Start Address (W) ; -- -rNR13 EQU $FF13 -rAUD1LOW EQU rNR13 +rDMA EQU $FF46 ; -- -; -- AUD1HIGH/NR14 ($FF14) -; -- Frequency hi (W) +; -- BGP ($FF47) +; -- BG Palette Data (W) ; -- -; -- Bit 7 - Initial (when set, sound restarts) -; -- Bit 6 - Counter/consecutive selection -; -- Bit 2-0 - Frequency's higher 3 bits +; -- Bit 7-6 - Intensity for %11 +; -- Bit 5-4 - Intensity for %10 +; -- Bit 3-2 - Intensity for %01 +; -- Bit 1-0 - Intensity for %00 ; -- -rNR14 EQU $FF14 -rAUD1HIGH EQU rNR14 - +rBGP EQU $FF47 -;*************************************************************************** -;* -;* SoundChannel #2 registers -;* -;*************************************************************************** ; -- -; -- AUD2LEN/NR21 ($FF16) -; -- Sound Length; Wave Pattern Duty (R/W) +; -- OBP0 ($FF48) +; -- Object Palette 0 Data (W) ; -- -; -- see AUD1LEN for info +; -- See BGP for info ; -- -rNR21 EQU $FF16 -rAUD2LEN EQU rNR21 +rOBP0 EQU $FF48 ; -- -; -- AUD2ENV/NR22 ($FF17) -; -- Envelope (R/W) +; -- OBP1 ($FF49) +; -- Object Palette 1 Data (W) ; -- -; -- see AUD1ENV for info +; -- See BGP for info ; -- -rNR22 EQU $FF17 -rAUD2ENV EQU rNR22 +rOBP1 EQU $FF49 ; -- -; -- AUD2LOW/NR23 ($FF18) -; -- Frequency lo (W) +; -- WY ($FF4A) +; -- Window Y Position (R/W) ; -- -rNR23 EQU $FF18 -rAUD2LOW EQU rNR23 +; -- 0 <= WY <= 143 +; -- When WY = 0, the window is displayed from the top edge of the LCD screen. +; -- +rWY EQU $FF4A ; -- -; -- AUD2HIGH/NR24 ($FF19) -; -- Frequency hi (W) +; -- WX ($FF4B) +; -- Window X Position (R/W) ; -- -; -- see AUD1HIGH for info +; -- 7 <= WX <= 166 +; -- When WX = 7, the window is displayed from the left edge of the LCD screen. +; -- Values of 0-6 and 166 are unreliable due to hardware bugs. ; -- -rNR24 EQU $FF19 -rAUD2HIGH EQU rNR24 - +rWX EQU $FF4B -;*************************************************************************** -;* -;* SoundChannel #3 registers -;* -;*************************************************************************** ; -- -; -- AUD3ENA/NR30 ($FF1A) -; -- Sound on/off (R/W) -; -- -; -- Bit 7 - Sound ON/OFF (1EQUON,0EQUOFF) +; -- SPEED ($FF4D) +; -- Select CPU Speed (R/W) ; -- -rNR30 EQU $FF1A -rAUD3ENA EQU rNR30 +rKEY1 EQU $FF4D +rSPD EQU rKEY1 + +KEY1F_DBLSPEED EQU %10000000 ; 0=Normal Speed, 1=Double Speed (R) +KEY1F_PREPARE EQU %00000001 ; 0=No, 1=Prepare (R/W) ; -- -; -- AUD3LEN/NR31 ($FF1B) -; -- Sound length (R/W) +; -- VBK ($FF4F) +; -- Select Video RAM Bank (R/W) ; -- -; -- Bit 7-0 - Sound length +; -- Bit 0 - Bank Specification (0: Specify Bank 0; 1: Specify Bank 1) ; -- -rNR31 EQU $FF1B -rAUD3LEN EQU rNR31 +rVBK EQU $FF4F ; -- -; -- AUD3LEVEL/NR32 ($FF1C) -; -- Select output level -; -- -; -- Bit 6-5 - Select output level -; -- 00: 0/1 (mute) -; -- 01: 1/1 -; -- 10: 1/2 -; -- 11: 1/4 +; -- HDMA1 ($FF51) +; -- High byte for Horizontal Blanking/General Purpose DMA source address (W) +; -- CGB Mode Only ; -- -rNR32 EQU $FF1C -rAUD3LEVEL EQU rNR32 +rHDMA1 EQU $FF51 ; -- -; -- AUD3LOW/NR33 ($FF1D) -; -- Frequency lo (W) -; -- -; -- see AUD1LOW for info +; -- HDMA2 ($FF52) +; -- Low byte for Horizontal Blanking/General Purpose DMA source address (W) +; -- CGB Mode Only ; -- -rNR33 EQU $FF1D -rAUD3LOW EQU rNR33 +rHDMA2 EQU $FF52 ; -- -; -- AUD3HIGH/NR34 ($FF1E) -; -- Frequency hi (W) +; -- HDMA3 ($FF53) +; -- High byte for Horizontal Blanking/General Purpose DMA destination address (W) +; -- CGB Mode Only ; -- -; -- see AUD1HIGH for info +rHDMA3 EQU $FF53 + + ; -- -rNR34 EQU $FF1E -rAUD3HIGH EQU rNR34 +; -- HDMA4 ($FF54) +; -- Low byte for Horizontal Blanking/General Purpose DMA destination address (W) +; -- CGB Mode Only +; -- +rHDMA4 EQU $FF54 ; -- -; -- AUD4LEN/NR41 ($FF20) -; -- Sound length (R/W) +; -- HDMA5 ($FF55) +; -- Transfer length (in tiles minus 1)/mode/start for Horizontal Blanking, General Purpose DMA (R/W) +; -- CGB Mode Only ; -- -; -- Bit 5-0 - Sound length data (# 0-63) +rHDMA5 EQU $FF55 + +HDMA5F_MODE_GP EQU %00000000 ; General Purpose DMA (W) +HDMA5F_MODE_HBL EQU %10000000 ; HBlank DMA (W) + +; -- Once DMA has started, use HDMA5F_BUSY to check when the transfer is complete +HDMA5F_BUSY EQU %10000000 ; 0=Busy (DMA still in progress), 1=Transfer complete (R) + + ; -- -rNR41 EQU $FF20 -rAUD4LEN EQU rNR41 +; -- RP ($FF56) +; -- Infrared Communications Port (R/W) +; -- +rRP EQU $FF56 ; -- -; -- AUD4ENV/NR42 ($FF21) -; -- Envelope (R/W) +; -- BCPS ($FF68) +; -- Background Color Palette Specification (R/W) ; -- -; -- see AUD1ENV for info +rBCPS EQU $FF68 + +BCPSF_AUTOINC EQU %10000000 ; Auto Increment (0=Disabled, 1=Increment after Writing) + + ; -- -rNR42 EQU $FF21 -rAUD4ENV EQU rNR42 +; -- BCPD ($FF69) +; -- Background Color Palette Data (R/W) +; -- +rBCPD EQU $FF69 ; -- -; -- AUD4POLY/NR43 ($FF22) -; -- Polynomial counter (R/W) +; -- OCPS ($FF6A) +; -- Object Color Palette Specification (R/W) ; -- -; -- Bit 7-4 - Selection of the shift clock frequency of the (scf) -; -- polynomial counter (0000-1101) -; -- freqEQUdrf*1/2^scf (not sure) -; -- Bit 3 - Selection of the polynomial counter's step -; -- 0: 15 steps -; -- 1: 7 steps -; -- Bit 2-0 - Selection of the dividing ratio of frequencies (drf) -; -- 000: f/4 001: f/8 010: f/16 011: f/24 -; -- 100: f/32 101: f/40 110: f/48 111: f/56 (fEQU4.194304 Mhz) +rOCPS EQU $FF6A + +OCPSF_AUTOINC EQU %10000000 ; Auto Increment (0=Disabled, 1=Increment after Writing) + + ; -- -rNR43 EQU $FF22 -rAUD4POLY EQU rNR43 +; -- OCPD ($FF6B) +; -- Object Color Palette Data (R/W) +; -- +rOCPD EQU $FF6B ; -- -; -- AUD4GO/NR44 ($FF23) -; -- (has wrong name and value (ff30) in Dr.Pan's doc!) +; -- SMBK/SVBK ($FF70) +; -- Select Main RAM Bank (R/W) ; -- -; -- Bit 7 - Inital -; -- Bit 6 - Counter/consecutive selection +; -- Bit 2-0 - Bank Specification (0,1: Specify Bank 1; 2-7: Specify Banks 2-7) ; -- -rNR44 EQU $FF23 -rAUD4GO EQU rNR44 ; silly name! +rSVBK EQU $FF70 +rSMBK EQU rSVBK ; -- @@ -699,6 +673,19 @@ rPCM12 EQU $FF76 rPCM34 EQU $FF77 +; -- +; -- IE ($FFFF) +; -- Interrupt Enable (R/W) +; -- +rIE EQU $FFFF + +IEF_HILO EQU %00010000 ; Transition from High to Low of Pin number P10-P13 +IEF_SERIAL EQU %00001000 ; Serial I/O transfer end +IEF_TIMER EQU %00000100 ; Timer Overflow +IEF_LCDC EQU %00000010 ; LCDC (see STAT) +IEF_VBLANK EQU %00000001 ; V-Blank + + ;*************************************************************************** ;* ;* Flags common to multiple sound channels @@ -739,16 +726,38 @@ AUDHIGH_LENGTH_ON EQU %01000000 AUDHIGH_LENGTH_OFF EQU %00000000 +;*************************************************************************** +;* +;* CPU values on bootup (a=type, b=qualifier) +;* +;*************************************************************************** + +BOOTUP_A_DMG EQU $01 ; Dot Matrix Game +BOOTUP_A_CGB EQU $11 ; Color GameBoy +BOOTUP_A_MGB EQU $FF ; Mini GameBoy (Pocket GameBoy) + +; if a=BOOTUP_A_CGB, bit 0 in b can be checked to determine if real CGB or +; other system running in GBC mode +BOOTUP_B_CGB EQU %00000000 +BOOTUP_B_AGB EQU %00000001 ; GBA, GBA SP, Game Boy Player, or New GBA SP + + ;*************************************************************************** ;* ;* Cart related ;* ;*************************************************************************** +; $0143 Color GameBoy compatibility code CART_COMPATIBLE_DMG EQU $00 CART_COMPATIBLE_DMG_GBC EQU $80 CART_COMPATIBLE_GBC EQU $C0 +; $0146 GameBoy/Super GameBoy indicator +CART_INDICATOR_GB EQU $00 +CART_INDICATOR_SGB EQU $03 + +; $0147 Cartridge type CART_ROM EQU $00 CART_ROM_MBC1 EQU $01 CART_ROM_MBC1_RAM EQU $02 @@ -757,6 +766,9 @@ CART_ROM_MBC2 EQU $05 CART_ROM_MBC2_BAT EQU $06 CART_ROM_RAM EQU $08 CART_ROM_RAM_BAT EQU $09 +CART_ROM_MMM01 EQU $0B +CART_ROM_MMM01_RAM EQU $0C +CART_ROM_MMM01_RAM_BAT EQU $0D CART_ROM_MBC3_BAT_RTC EQU $0F CART_ROM_MBC3_RAM_BAT_RTC EQU $10 CART_ROM_MBC3 EQU $11 @@ -770,25 +782,40 @@ CART_ROM_MBC5_RAM_RUMBLE EQU $1D CART_ROM_MBC5_RAM_BAT_RUMBLE EQU $1E CART_ROM_MBC7_RAM_BAT_GYRO EQU $22 CART_ROM_POCKET_CAMERA EQU $FC +CART_ROM_BANDAI_TAMA5 EQU $FD +CART_ROM_HUDSON_HUC3 EQU $FE +CART_ROM_HUDSON_HUC1 EQU $FF + +; $0148 ROM size +; these are kilobytes +CART_ROM_32K EQU $00 ; 2 banks +CART_ROM_64K EQU $01 ; 4 banks +CART_ROM_128K EQU $02 ; 8 banks +CART_ROM_256K EQU $03 ; 16 banks +CART_ROM_512K EQU $04 ; 32 banks +CART_ROM_1024K EQU $05 ; 64 banks +CART_ROM_2048K EQU $06 ; 128 banks +CART_ROM_4096K EQU $07 ; 256 banks +CART_ROM_8192K EQU $08 ; 512 banks +CART_ROM_1152K EQU $52 ; 72 banks +CART_ROM_1280K EQU $53 ; 80 banks +CART_ROM_1536K EQU $54 ; 96 banks + +; $0149 SRAM size +; these are kilobytes +CART_SRAM_NONE EQU 0 +CART_SRAM_2K EQU 1 ; 1 incomplete bank +CART_SRAM_8K EQU 2 ; 1 bank +CART_SRAM_32K EQU 3 ; 4 banks +CART_SRAM_128K EQU 4 ; 16 banks + +CART_SRAM_ENABLE EQU $0A +CART_SRAM_DISABLE EQU $00 + +; $014A Destination code +CART_DEST_JAPANESE EQU $00 +CART_DEST_NON_JAPANESE EQU $01 -CART_ROM_256K EQU 0 ; 2 banks -CART_ROM_512K EQU 1 ; 4 banks -CART_ROM_1M EQU 2 ; 8 banks -CART_ROM_2M EQU 3 ; 16 banks -CART_ROM_4M EQU 4 ; 32 banks -CART_ROM_8M EQU 5 ; 64 banks -CART_ROM_16M EQU 6 ; 128 banks -CART_ROM_32M EQU 7 ; 256 banks -CART_ROM_64M EQU 8 ; 512 banks - -CART_RAM_NONE EQU 0 -CART_RAM_16K EQU 1 ; 1 incomplete bank -CART_RAM_64K EQU 2 ; 1 bank -CART_RAM_256K EQU 3 ; 4 banks -CART_RAM_1M EQU 4 ; 16 banks - -CART_RAM_ENABLE EQU $0A -CART_RAM_DISABLE EQU $00 ;*************************************************************************** ;* @@ -814,6 +841,7 @@ PADB_SELECT EQU $2 PADB_B EQU $1 PADB_A EQU $0 + ;*************************************************************************** ;* ;* Screen related @@ -830,6 +858,42 @@ SCRN_VY EQU 256 ; Virtual height of screen in pixels SCRN_VX_B EQU 32 ; Virtual width of screen in bytes SCRN_VY_B EQU 32 ; Virtual height of screen in bytes + +;*************************************************************************** +;* +;* OAM related +;* +;*************************************************************************** + +; OAM attributes +; each entry in OAM RAM is 4 bytes (sizeof_OAM_ATTRS) +RSRESET +OAMA_Y RB 1 ; y pos +OAMA_X RB 1 ; x pos +OAMA_TILEID RB 1 ; tile id +OAMA_FLAGS RB 1 ; flags (see below) +sizeof_OAM_ATTRS RB 0 + +OAM_COUNT EQU 40 ; number of OAM entries in OAM RAM + +; flags +OAMF_PRI EQU %10000000 ; Priority +OAMF_YFLIP EQU %01000000 ; Y flip +OAMF_XFLIP EQU %00100000 ; X flip +OAMF_PAL0 EQU %00000000 ; Palette number; 0,1 (DMG) +OAMF_PAL1 EQU %00010000 ; Palette number; 0,1 (DMG) +OAMF_BANK0 EQU %00000000 ; Bank number; 0,1 (GBC) +OAMF_BANK1 EQU %00001000 ; Bank number; 0,1 (GBC) + +OAMF_PALMASK EQU %00000111 ; Palette (GBC) + +OAMB_PRI EQU 7 ; Priority +OAMB_YFLIP EQU 6 ; Y flip +OAMB_XFLIP EQU 5 ; X flip +OAMB_PAL1 EQU 4 ; Palette number; 0,1 (DMG) +OAMB_BANK1 EQU 3 ; Bank number; 0,1 (GBC) + + ;* ;* Nintendo scrolling logo ;* (Code won't work on a real GameBoy)