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hardware.inc
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hardware.inc
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;*
;* Gameboy Hardware definitions
;*
;* Based on Jones' hardware.inc
;* And based on Carsten Sorensen's ideas.
;*
;* Rev 1.1 - 15-Jul-97 : Added define check
;* Rev 1.2 - 18-Jul-97 : Added revision check macro
;* Rev 1.3 - 19-Jul-97 : Modified for RGBASM V1.05
;* Rev 1.4 - 27-Jul-97 : Modified for new subroutine prefixes
;* Rev 1.5 - 15-Aug-97 : Added _HRAM, PAD, CART defines
;* : and Nintendo Logo
;* Rev 1.6 - 30-Nov-97 : Added rDIV, rTIMA, rTMA, & rTAC
;* Rev 1.7 - 31-Jan-98 : Added _SCRN0, _SCRN1
;* Rev 1.8 - 15-Feb-98 : Added rSB, rSC
;* Rev 1.9 - 16-Feb-98 : Converted I/O registers to $FFXX format
;* Rev 2.0 - : Added GBC registers
;* Rev 2.1 - : Added MBC5 & cart RAM enable/disable defines
;* Rev 2.2 - : Fixed NR42,NR43, & NR44 equates
;* Rev 2.3 - : Fixed incorrect _HRAM equate
;* Rev 2.4 - 27-Apr-13 : Added some cart defines (AntonioND)
; If all of these are already defined, don't do it again.
IF !DEF(HARDWARE_INC)
HARDWARE_INC SET 1
rev_Check_hardware_inc: MACRO
;NOTE: REVISION NUMBER CHANGES MUST BE ADDED
;TO SECOND PARAMETER IN FOLLOWING LINE.
IF \1 > 2.4 ;PUT REVISION NUMBER HERE
WARN "Version \1 or later of 'hardware.inc' is required."
ENDC
ENDM
_HW EQU $FF00
_VRAM EQU $8000 ; $8000->$A000
_SCRN0 EQU $9800 ; $9800->$9BFF
_SCRN1 EQU $9C00 ; $9C00->$9FFF
_RAM EQU $C000 ; $C000->$E000
_OAMRAM EQU $FE00 ; $FE00->$FE9F
_AUD3WAVERAM EQU $FF30 ; $FF30->$FF3F
_HRAM EQU $FF80 ; $FF80->$FFFE
; *** MBC5 Equates ***
rRAMG EQU $0000 ; $0000->$1fff
rROMB0 EQU $2000 ; $2000->$2fff
rROMB1 EQU $3000 ; $3000->$3fff
rRAMB EQU $4000 ; $4000->$5fff
; --
; -- OAM flags
; --
OAMF_PRI EQU %10000000 ; Priority
OAMF_YFLIP EQU %01000000 ; Y flip
OAMF_XFLIP EQU %00100000 ; X flip
OAMF_PAL0 EQU %00000000 ; Palette number; 0,1
OAMF_PAL1 EQU %00010000 ; Palette number; 0,1
;***************************************************************************
;*
;* Custom registers
;*
;***************************************************************************
; --
; -- P1 ($FF00)
; -- Register for reading joy pad info. (R/W)
; --
rP1 EQU $FF00
P1F_5 EQU %00100000 ; P15 out port
P1F_4 EQU %00010000 ; P14 out port
P1F_3 EQU %00001000 ; P13 in port
P1F_2 EQU %00000100 ; P12 in port
P1F_1 EQU %00000010 ; P11 in port
P1F_0 EQU %00000001 ; P10 in port
; --
; -- SB ($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)
; --
rDIV EQU $FF04
; --
; -- TIMA ($FF05)
; -- Timer counter (R/W)
; --
rTIMA EQU $FF05
; --
; -- TMA ($FF06)
; -- Timer modulo (R/W)
; --
rTMA EQU $FF06
; --
; -- TAC ($FF07)
; -- Timer control (R/W)
; --
rTAC EQU $FF07
TACF_START EQU %00000100
TACF_STOP EQU %00000000
TACF_4KHZ EQU %00000000
TACF_16KHZ EQU %00000011
TACF_65KHZ EQU %00000010
TACF_262KHZ EQU %00000001
; --
; -- IF ($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 $FF41
STATF_LYC EQU %01000000 ; LYCEQULY Coincidence (Selectable)
STATF_MODE10 EQU %00100000 ; Mode 10
STATF_MODE01 EQU %00010000 ; Mode 01 (V-Blank)
STATF_MODE00 EQU %00001000 ; Mode 00 (H-Blank)
STATF_LYCF EQU %00000100 ; Coincidence Flag
STATF_HB EQU %00000000 ; H-Blank
STATF_VB EQU %00000001 ; V-Blank
STATF_OAM EQU %00000010 ; OAM-RAM is used by system
STATF_LCD EQU %00000011 ; Both OAM and VRAM used by system
STATF_BUSY EQU %00000010 ; When set, VRAM access is unsafe
; --
; -- SCY ($FF42)
; -- Scroll Y (R/W)
; --
rSCY EQU $FF42
; --
; -- SCY ($FF43)
; -- Scroll X (R/W)
; --
rSCX EQU $FF43
; --
; -- LY ($FF44)
; -- LCDC Y-Coordinate (R)
; --
; -- Values range from 0->153. 144->153 is the VBlank period.
; --
rLY EQU $FF44
; --
; -- LYC ($FF45)
; -- LY Compare (R/W)
; --
; -- When LYEQUEQULYC, STATF_LYCF will be set in STAT
; --
rLYC EQU $FF45
; --
; -- DMA ($FF46)
; -- DMA Transfer and Start Address (W)
; --
rDMA EQU $FF46
; --
; -- BGP ($FF47)
; -- BG Palette Data (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
; --
rBGP EQU $FF47
; --
; -- OBP0 ($FF48)
; -- Object Palette 0 Data (W)
; --
; -- See BGP for info
; --
rOBP0 EQU $FF48
; --
; -- OBP1 ($FF49)
; -- Object Palette 1 Data (W)
; --
; -- See BGP for info
; --
rOBP1 EQU $FF49
; --
; -- WY ($FF4A)
; -- Window Y Position (R/W)
; --
; -- 0 <EQU WY <EQU 143
; --
rWY EQU $FF4A
; --
; -- WX ($FF4B)
; -- Window X Position (R/W)
; --
; -- 7 <EQU WX <EQU 166
; --
rWX EQU $FF4B
; --
; -- KEY 1 ($FF4D)
; -- Select CPU Speed (R/W)
; --
rKEY1 EQU $FF4D
; --
; -- VBK ($FF4F)
; -- Select Video RAM Bank (R/W)
; --
rVBK EQU $FF4F
; --
; -- HDMA1 ($FF51)
; -- Horizontal Blanking, General Purpose DMA (W)
; --
rHDMA1 EQU $FF51
; --
; -- HDMA2 ($FF52)
; -- Horizontal Blanking, General Purpose DMA (W)
; --
rHDMA2 EQU $FF52
; --
; -- HDMA3 ($FF53)
; -- Horizontal Blanking, General Purpose DMA (W)
; --
rHDMA3 EQU $FF53
; --
; -- HDMA4 ($FF54)
; -- Horizontal Blanking, General Purpose DMA (W)
; --
rHDMA4 EQU $FF54
; --
; -- HDMA5 ($FF55)
; -- Horizontal Blanking, General Purpose DMA (R/W)
; --
rHDMA5 EQU $FF55
; --
; -- RP ($FF56)
; -- Infrared Communications Port (R/W)
; --
rRP EQU $FF56
; --
; -- BCPS ($FF68)
; -- Background Color Palette Specification (R/W)
; --
rBCPS EQU $FF68
; --
; -- BCPD ($FF69)
; -- Background Color Palette Data (R/W)
; --
rBCPD EQU $FF69
; --
; -- BCPS ($FF6A)
; -- Object Color Palette Specification (R/W)
; --
rOCPS EQU $FF6A
; --
; -- BCPD ($FF6B)
; -- Object Color Palette Data (R/W)
; --
rOCPD EQU $FF6B
; --
; -- SVBK ($FF4F)
; -- Select Main RAM Bank (R/W)
; --
rSVBK EQU $FF70
; --
; -- IE ($FFFF)
; -- Interrupt Enable (R/W)
; --
rIE EQU $FFFF
IEF_HILO EQU %00010000 ; Transition from High to Low of Pin number P10-P13
IEF_SERIAL EQU %00001000 ; Serial I/O transfer end
IEF_TIMER EQU %00000100 ; Timer Overflow
IEF_LCDC EQU %00000010 ; LCDC (see STAT)
IEF_VBLANK EQU %00000001 ; V-Blank
;***************************************************************************
;*
;* Sound control registers
;*
;***************************************************************************
; --
; -- AUDVOL/NR50 ($FF24)
; -- Channel control / ON-OFF / Volume (R/W)
; --
; -- Bit 7 - Vin->SO2 ON/OFF (Vin??)
; -- Bit 6-4 - SO2 output level (volume) (# 0-7)
; -- Bit 3 - Vin->SO1 ON/OFF (Vin??)
; -- Bit 2-0 - SO1 output level (volume) (# 0-7)
; --
rNR50 EQU $FF24
rAUDVOL EQU rNR50
; --
; -- AUDTERM/NR51 ($FF25)
; -- Selection of Sound output terminal (R/W)
; --
; -- Bit 7 - Output sound 4 to SO2 terminal
; -- Bit 6 - Output sound 3 to SO2 terminal
; -- Bit 5 - Output sound 2 to SO2 terminal
; -- Bit 4 - Output sound 1 to SO2 terminal
; -- Bit 3 - Output sound 4 to SO1 terminal
; -- Bit 2 - Output sound 3 to SO1 terminal
; -- Bit 1 - Output sound 2 to SO1 terminal
; -- Bit 0 - Output sound 0 to SO1 terminal
; --
rNR51 EQU $FF25
rAUDTERM EQU rNR51
; --
; -- AUDENA/NR52 ($FF26)
; -- Sound on/off (R/W)
; --
; -- Bit 7 - All sound on/off (sets all audio regs to 0!)
; -- Bit 3 - Sound 4 ON flag (doesn't work!)
; -- Bit 2 - Sound 3 ON flag (doesn't work!)
; -- Bit 1 - Sound 2 ON flag (doesn't work!)
; -- Bit 0 - Sound 1 ON flag (doesn't work!)
; --
rNR52 EQU $FF26
rAUDENA EQU rNR52
;***************************************************************************
;*
;* SoundChannel #1 registers
;*
;***************************************************************************
; --
; -- AUD1SWEEP/NR10 ($FF10)
; -- Sweep register (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)
; --
rNR10 EQU $FF10
rAUD1SWEEP EQU rNR10
; --
; -- AUD1LEN/NR11 ($FF11)
; -- Sound length/Wave pattern duty (R/W)
; --
; -- Bit 7-6 - Wave Pattern Duty (00:12.5% 01:25% 10:50% 11:75%)
; -- Bit 5-0 - Sound length data (# 0-63)
; --
rNR11 EQU $FF11
rAUD1LEN EQU rNR11
; --
; -- AUD1ENV/NR12 ($FF12)
; -- Envelope (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)
; --
rNR12 EQU $FF12
rAUD1ENV EQU rNR12
; --
; -- AUD1LOW/NR13 ($FF13)
; -- Frequency lo (W)
; --
rNR13 EQU $FF13
rAUD1LOW EQU rNR13
; --
; -- AUD1HIGH/NR14 ($FF14)
; -- Frequency hi (W)
; --
; -- Bit 7 - Initial (when set, sound restarts)
; -- Bit 6 - Counter/consecutive selection
; -- Bit 2-0 - Frequency's higher 3 bits
; --
rNR14 EQU $FF14
rAUD1HIGH EQU rNR14
;***************************************************************************
;*
;* SoundChannel #2 registers
;*
;***************************************************************************
; --
; -- AUD2LEN/NR21 ($FF16)
; -- Sound Length; Wave Pattern Duty (R/W)
; --
; -- see AUD1LEN for info
; --
rNR21 EQU $FF16
rAUD2LEN EQU rNR21
; --
; -- AUD2ENV/NR22 ($FF17)
; -- Envelope (R/W)
; --
; -- see AUD1ENV for info
; --
rNR22 EQU $FF17
rAUD2ENV EQU rNR22
; --
; -- AUD2LOW/NR23 ($FF18)
; -- Frequency lo (W)
; --
rNR23 EQU $FF18
rAUD2LOW EQU rNR23
; --
; -- AUD2HIGH/NR24 ($FF19)
; -- Frequency hi (W)
; --
; -- see AUD1HIGH for info
; --
rNR24 EQU $FF19
rAUD2HIGH EQU rNR24
;***************************************************************************
;*
;* SoundChannel #3 registers
;*
;***************************************************************************
; --
; -- AUD3ENA/NR30 ($FF1A)
; -- Sound on/off (R/W)
; --
; -- Bit 7 - Sound ON/OFF (1EQUON,0EQUOFF)
; --
rNR30 EQU $FF1A
rAUD3ENA EQU rNR30
; --
; -- AUD3LEN/NR31 ($FF1B)
; -- Sound length (R/W)
; --
; -- Bit 7-0 - Sound length
; --
rNR31 EQU $FF1B
rAUD3LEN EQU rNR31
; --
; -- AUD3LEVEL/NR32 ($FF1C)
; -- Select output level
; --
; -- Bit 6-5 - Select output level
; -- 00: 0/1 (mute)
; -- 01: 1/1
; -- 10: 1/2
; -- 11: 1/4
; --
rNR32 EQU $FF1C
rAUD3LEVEL EQU rNR32
; --
; -- AUD3LOW/NR33 ($FF1D)
; -- Frequency lo (W)
; --
; -- see AUD1LOW for info
; --
rNR33 EQU $FF1D
rAUD3LOW EQU rNR33
; --
; -- AUD3HIGH/NR34 ($FF1E)
; -- Frequency hi (W)
; --
; -- see AUD1HIGH for info
; --
rNR34 EQU $FF1E
rAUD3HIGH EQU rNR34
; --
; -- AUD4LEN/NR41 ($FF20)
; -- Sound length (R/W)
; --
; -- Bit 5-0 - Sound length data (# 0-63)
; --
rNR41 EQU $FF20
rAUD4LEN EQU rNR41
; --
; -- AUD4ENV/NR42 ($FF21)
; -- Envelope (R/W)
; --
; -- see AUD1ENV for info
; --
rNR42 EQU $FF21
rAUD4ENV EQU rNR42
; --
; -- AUD4POLY/NR43 ($FF22)
; -- Polynomial counter (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)
; --
rNR43 EQU $FF22
rAUD4POLY EQU rNR43
; --
; -- AUD4GO/NR44 ($FF23)
; -- (has wrong name and value (ff30) in Dr.Pan's doc!)
; --
; -- Bit 7 - Inital
; -- Bit 6 - Counter/consecutive selection
; --
rNR44 EQU $FF23
rAUD4GO EQU rNR44 ; silly name!
;***************************************************************************
;*
;* Cart related
;*
;***************************************************************************
CART_ROM EQU $00
CART_ROM_MBC1 EQU $01
CART_ROM_MBC1_RAM EQU $02
CART_ROM_MBC1_RAM_BAT EQU $03
CART_ROM_MBC2 EQU $05
CART_ROM_MBC2_BAT EQU $06
CART_ROM_RAM EQU $08
CART_ROM_RAM_BAT EQU $09
CART_ROM_MBC3_BAT_RTC EQU $0F
CART_ROM_MBC3_RAM_BAT_RTC EQU $10
CART_ROM_MBC3 EQU $11
CART_ROM_MBC3_RAM EQU $12
CART_ROM_MBC3_RAM_BAT EQU $13
CART_ROM_MBC5 EQU $19
CART_ROM_MBC5_BAT EQU $1A
CART_ROM_MBC5_RAM_BAT EQU $1B
CART_ROM_MBC5_RUMBLE EQU $1C
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_256K EQU 0
CART_ROM_512K EQU 1
CART_ROM_1M EQU 2
CART_ROM_2M EQU 3
CART_ROM_4M EQU 4
CART_ROM_8M EQU 5
CART_ROM_16M EQU 6
CART_ROM_32M EQU 7
CART_ROM_64M EQU 8
CART_RAM_NONE EQU 0
CART_RAM_16K EQU 1
CART_RAM_64K EQU 2
CART_RAM_256K EQU 3
CART_RAM_ENABLE EQU $0A
CART_RAM_DISABLE EQU $00
;***************************************************************************
;*
;* Keypad related
;*
;***************************************************************************
PADF_DOWN EQU $80
PADF_UP EQU $40
PADF_LEFT EQU $20
PADF_RIGHT EQU $10
PADF_START EQU $08
PADF_SELECT EQU $04
PADF_B EQU $02
PADF_A EQU $01
PADB_DOWN EQU $7
PADB_UP EQU $6
PADB_LEFT EQU $5
PADB_RIGHT EQU $4
PADB_START EQU $3
PADB_SELECT EQU $2
PADB_B EQU $1
PADB_A EQU $0
;***************************************************************************
;*
;* Screen related
;*
;***************************************************************************
SCRN_X EQU 160 ; Width of screen in pixels
SCRN_Y EQU 144 ; Height of screen in pixels
SCRN_X_B EQU 20 ; Width of screen in bytes
SCRN_Y_B EQU 18 ; Height of screen in bytes
SCRN_VX EQU 256 ; Virtual width of screen in pixels
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
NINTENDO_LOGO: MACRO
;*
;* Nintendo scrolling logo
;* (Code won't work on a real GameBoy)
;* (if next three lines are altered.)
DB $CE,$ED,$66,$66,$CC,$0D,$00,$0B,$03,$73,$00,$83,$00,$0C,$00,$0D
DB $00,$08,$11,$1F,$88,$89,$00,$0E,$DC,$CC,$6E,$E6,$DD,$DD,$D9,$99
DB $BB,$BB,$67,$63,$6E,$0E,$EC,$CC,$DD,$DC,$99,$9F,$BB,$B9,$33,$3E
ENDM
ENDC ;HARDWARE_INC