ref: 27d0b146addee8185178388e0f7a94353d8409ba
dir: /home/tilemap.asm/
FillMemory:: ; Fill bc bytes at hl with a. push de ld d, a .loop ld a, d ld [hli], a dec bc ld a, b or c jr nz, .loop pop de ret UncompressSpriteFromDE:: ; Decompress pic at a:de. ld hl, wSpriteInputPtr ld [hl], e inc hl ld [hl], d jp UncompressSpriteData SaveScreenTilesToBuffer2:: hlcoord 0, 0 ld de, wTileMapBackup2 ld bc, SCREEN_WIDTH * SCREEN_HEIGHT call CopyData ret LoadScreenTilesFromBuffer2:: call LoadScreenTilesFromBuffer2DisableBGTransfer ld a, 1 ldh [hAutoBGTransferEnabled], a ret ; loads screen tiles stored in wTileMapBackup2 but leaves hAutoBGTransferEnabled disabled LoadScreenTilesFromBuffer2DisableBGTransfer:: xor a ldh [hAutoBGTransferEnabled], a ld hl, wTileMapBackup2 decoord 0, 0 ld bc, SCREEN_WIDTH * SCREEN_HEIGHT call CopyData ret SaveScreenTilesToBuffer1:: hlcoord 0, 0 ld de, wTileMapBackup ld bc, SCREEN_WIDTH * SCREEN_HEIGHT jp CopyData LoadScreenTilesFromBuffer1:: xor a ldh [hAutoBGTransferEnabled], a ld hl, wTileMapBackup decoord 0, 0 ld bc, SCREEN_WIDTH * SCREEN_HEIGHT call CopyData ld a, 1 ldh [hAutoBGTransferEnabled], a ret