diff options
| -rw-r--r-- | constants/hardware_constants.asm | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/constants/hardware_constants.asm b/constants/hardware_constants.asm index d96672c3a..34c7d6813 100644 --- a/constants/hardware_constants.asm +++ b/constants/hardware_constants.asm @@ -58,10 +58,6 @@ X_FLIP EQU 1 << OAM_X_FLIP ; $20 Y_FLIP EQU 1 << OAM_Y_FLIP ; $40 PRIORITY EQU 1 << OAM_PRIORITY ; $80 -; Other useful constants -LCDC_DEFAULT EQU %11100011 -LY_VBLANK EQU 144 - ; Hardware registers rJOYP EQU $ff00 ; Joypad (R/W) rSB EQU $ff01 ; Serial transfer data (R/W) @@ -119,14 +115,20 @@ rWave_d EQU $ff3d rWave_e EQU $ff3e rWave_f EQU $ff3f rLCDC EQU $ff40 ; LCD Control (R/W) +rLCDC_BG_PRIORITY EQU 0 ; 0=Off, 1=On rLCDC_SPRITES_ENABLE EQU 1 ; 0=Off, 1=On rLCDC_SPRITE_SIZE EQU 2 ; 0=8x8, 1=8x16 +rLCDC_BG_TILEMAP EQU 3 ; 0=9800-9BFF, 1=9C00-9FFF +rLCDC_TILE_DATA EQU 4 ; 0=8800-97FF, 1=8000-8FFF +rLCDC_WINDOW_ENABLE EQU 5 ; 0=Off, 1=On rLCDC_WINDOW_TILEMAP EQU 6 ; 0=9800-9BFF, 1=9C00-9FFF rLCDC_ENABLE EQU 7 ; 0=Off, 1=On +LCDC_DEFAULT EQU (1 << rLCDC_ENABLE) | (1 << rLCDC_WINDOW_TILEMAP) | (1 << rLCDC_WINDOW_ENABLE) | (1 << rLCDC_SPRITES_ENABLE) | (1 << rLCDC_BG_PRIORITY) 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) +LY_VBLANK EQU 144 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 |