More complete hardware constants. Rename joypad constants.

This commit is contained in:
yenatch 2014-05-23 15:25:16 -07:00
parent 61dbfa440b
commit 955b53047c
4 changed files with 124 additions and 24 deletions

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@ -6,6 +6,7 @@ INCLUDE "hram.asm"
INCLUDE "constants/hardware_constants.asm"
INCLUDE "constants/oam_constants.asm"
INCLUDE "constants/misc_constants.asm"
INCLUDE "constants/wram_constants.asm"

132
constants/hardware_constants.asm Executable file → Normal file
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@ -1,21 +1,111 @@
; hardware registers, from the pandocs http://nocash.emubase.de/pandocs.htm
rJOYP EQU $FF00
rDIV EQU $FF04
rLCDC EQU $FF40
rSCY EQU $FF42
rSCX EQU $FF43
rBGP EQU $FF47
rOBP0 EQU $FF48
rOBP1 EQU $FF49
rWY EQU $FF4A
rWX EQU $FF4B
rIE EQU $FFFF
BTN_A EQU %00000001
BTN_B EQU %00000010
BTN_SELECT EQU %00000100
BTN_START EQU %00001000
BTN_RIGHT EQU %00010000
BTN_LEFT EQU %00100000
BTN_UP EQU %01000000
BTN_DOWN EQU %10000000
; From http://nocash.emubase.de/pandocs.htm.
; MBC3
MBC3SRamEnable EQU $0000
MBC3RomBank EQU $2000
MBC3SRamBank EQU $4000
MBC3LatchClock EQU $6000
MBC3RTC EQU $a000
SRAM_DISABLE EQU $00
SRAM_ENABLE EQU $0a
NUM_SRAM_BANKS EQU 4
RTC_S EQU $08 ; Seconds 0-59 (0-3Bh)
RTC_M EQU $09 ; Minutes 0-59 (0-3Bh)
RTC_H EQU $0a ; Hours 0-23 (0-17h)
RTC_DL EQU $0b ; Lower 8 bits of Day Counter (0-FFh)
RTC_DH EQU $0c ; Upper 1 bit of Day Counter, Carry Bit, Halt Flag
; Bit 0 Most significant bit of Day Counter (Bit 8)
; Bit 6 Halt (0=Active, 1=Stop Timer)
; Bit 7 Day Counter Carry Bit (1=Counter Overflow)
; interrupt flags
VBLANK EQU 0
LCD_STAT EQU 1
TIMER EQU 2
SERIAL EQU 3
JOYPAD EQU 4
; OAM attribute flags
OAM_PALETTE EQU %111
OAM_TILE_BANK EQU 3
OAM_OBP_NUM EQU 4 ; Non CGB Mode Only
OAM_X_FLIP EQU 5
OAM_Y_FLIP EQU 6
OAM_PRIORITY EQU 7 ; 0: OBJ above BG, 1: OBJ behind BG (colors 1-3)
; Hardware registers
rJOYP EQU $ff00 ; Joypad (R/W)
rSB EQU $ff01 ; Serial transfer data (R/W)
rSC EQU $ff02 ; Serial Transfer Control (R/W)
rSC_ON EQU 7
rSC_CGB EQU 1
rSC_CLOCK EQU 0
rDIV EQU $ff04 ; Divider Register (R/W)
rTIMA EQU $ff05 ; Timer counter (R/W)
rTMA EQU $ff06 ; Timer Modulo (R/W)
rTAC EQU $ff07 ; Timer Control (R/W)
rTAC_ON EQU 2
rTAC_4096_HZ EQU 0
rTAC_262144_HZ EQU 1
rTAC_65536_HZ EQU 2
rTAC_16384_HZ EQU 3
rIF EQU $ff0f ; Interrupt Flag (R/W)
rNR10 EQU $ff10 ; Channel 1 Sweep register (R/W)
rNR11 EQU $ff11 ; Channel 1 Sound length/Wave pattern duty (R/W)
rNR12 EQU $ff12 ; Channel 1 Volume Envelope (R/W)
rNR13 EQU $ff13 ; Channel 1 Frequency lo (Write Only)
rNR14 EQU $ff14 ; Channel 1 Frequency hi (R/W)
rNR21 EQU $ff16 ; Channel 2 Sound Length/Wave Pattern Duty (R/W)
rNR22 EQU $ff17 ; Channel 2 Volume Envelope (R/W)
rNR23 EQU $ff18 ; Channel 2 Frequency lo data (W)
rNR24 EQU $ff19 ; Channel 2 Frequency hi data (R/W)
rNR30 EQU $ff1a ; Channel 3 Sound on/off (R/W)
rNR31 EQU $ff1b ; Channel 3 Sound Length
rNR32 EQU $ff1c ; Channel 3 Select output level (R/W)
rNR33 EQU $ff1d ; Channel 3 Frequency's lower data (W)
rNR34 EQU $ff1e ; Channel 3 Frequency's higher data (R/W)
rNR41 EQU $ff20 ; Channel 4 Sound Length (R/W)
rNR42 EQU $ff21 ; Channel 4 Volume Envelope (R/W)
rNR43 EQU $ff22 ; Channel 4 Polynomial Counter (R/W)
rNR44 EQU $ff23 ; Channel 4 Counter/consecutive; Inital (R/W)
rNR50 EQU $ff24 ; Channel control / ON-OFF / Volume (R/W)
rNR51 EQU $ff25 ; Selection of Sound output terminal (R/W)
rNR52 EQU $ff26 ; Sound on/off
rLCDC EQU $ff40 ; LCD Control (R/W)
rSTAT EQU $ff41 ; LCDC Status (R/W)
rSCY EQU $ff42 ; Scroll Y (R/W)
rSCX EQU $ff43 ; Scroll X (R/W)
rLY EQU $ff44 ; LCDC Y-Coordinate (R)
rLYC EQU $ff45 ; LY Compare (R/W)
rDMA EQU $ff46 ; DMA Transfer and Start Address (W)
rBGP EQU $ff47 ; BG Palette Data (R/W) - Non CGB Mode Only
rOBP0 EQU $ff48 ; Object Palette 0 Data (R/W) - Non CGB Mode Only
rOBP1 EQU $ff49 ; Object Palette 1 Data (R/W) - Non CGB Mode Only
rWY EQU $ff4a ; Window Y Position (R/W)
rWX EQU $ff4b ; Window X Position minus 7 (R/W)
rKEY1 EQU $ff4d ; CGB Mode Only - Prepare Speed Switch
rVBK EQU $ff4f ; CGB Mode Only - VRAM Bank
rHDMA1 EQU $ff51 ; CGB Mode Only - New DMA Source, High
rHDMA2 EQU $ff52 ; CGB Mode Only - New DMA Source, Low
rHDMA3 EQU $ff53 ; CGB Mode Only - New DMA Destination, High
rHDMA4 EQU $ff54 ; CGB Mode Only - New DMA Destination, Low
rHDMA5 EQU $ff55 ; CGB Mode Only - New DMA Length/Mode/Start
rRP EQU $ff56 ; CGB Mode Only - Infrared Communications Port
rBGPI EQU $ff68 ; CGB Mode Only - Background Palette Index
rBGPD EQU $ff69 ; CGB Mode Only - Background Palette Data
rOBPI EQU $ff6a ; CGB Mode Only - Sprite Palette Index
rOBPD EQU $ff6b ; CGB Mode Only - Sprite Palette Data
rUNKNOWN1 EQU $ff6c ; (FEh) Bit 0 (Read/Write) - CGB Mode Only
rSVBK EQU $ff70 ; CGB Mode Only - WRAM Bank
rUNKNOWN2 EQU $ff72 ; (00h) - Bit 0-7 (Read/Write)
rUNKNOWN3 EQU $ff73 ; (00h) - Bit 0-7 (Read/Write)
rUNKNOWN4 EQU $ff74 ; (00h) - Bit 0-7 (Read/Write) - CGB Mode Only
rUNKNOWN5 EQU $ff75 ; (8Fh) - Bit 4-6 (Read/Write)
rUNKNOWN6 EQU $ff76 ; (00h) - Always 00h (Read Only)
rUNKNOWN7 EQU $ff77 ; (00h) - Always 00h (Read Only)
rIE EQU $ffff ; Interrupt Enable (R/W)

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@ -0,0 +1,9 @@
A_BUTTON EQU %00000001
B_BUTTON EQU %00000010
SELECT EQU %00000100
START EQU %00001000
D_RIGHT EQU %00010000
D_LEFT EQU %00100000
D_UP EQU %01000000
D_DOWN EQU %10000000

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@ -7710,7 +7710,7 @@ CheckFightingMapTrainers:: ; 3219 (0:3219)
ld [$cd50], a
ld a, $4c
call Predef
ld a, BTN_RIGHT | BTN_LEFT | BTN_UP | BTN_DOWN
ld a, D_RIGHT | D_LEFT | D_UP | D_DOWN
ld [wJoypadForbiddenButtonsMask], a
xor a
ldh [$b4], a
@ -8822,7 +8822,7 @@ WaitForTextScrollButtonPress:: ; 3865 (0:3865)
ld a, $2d
call Predef ; indirect jump to Func_5a5f (5a5f (1:5a5f))
ld a, [$ffb5]
and BTN_A | BTN_B ; $3
and A_BUTTON | B_BUTTON
jr z, .asm_3872
pop af
ld [H_DOWNARROWBLINKCNT2], a ; $ff8c
@ -13183,7 +13183,7 @@ SECTION "bank3",ROMX,BANK[$3]
_GetJoypadState: ; c000 (3:4000)
ld a, [H_JOYPADSTATE]
cp BTN_A | BTN_B | BTN_SELECT | BTN_START ; soft reset sequence
cp A_BUTTON | B_BUTTON | SELECT | START ; soft reset sequence
jp z, HandleJoypadResetButtons
ld b, a
ld a, [H_OLDPRESSEDBUTTONS]