; _TBSolidTile ; ; Define the addresses of the subroutines that draw the normal and flipped variants of the tiles, both ; in the optimized (no second background) and normal cases. ; ; On entry, the following register values need to be set ; ; X : address of base tile in the tiledata bank (tileId * 128) ; Y : address of the top-left corder of the tile location in the code field ; B : set to the code field bank _TBSolidTile_00 jsr _TBCopyData jmp _TBFillPEAOpcode _TBSolidTile_0H jsr _TBCopyData jmp _TBFillPEAOpcode _TBSolidTile_V0 jsr _TBCopyDataV jmp _TBFillPEAOpcode _TBSolidTile_VH jsr _TBCopyDataV jmp _TBFillPEAOpcode ; Old routines _TBCopyData ]line equ 0 lup 8 ldal tiledata+{]line*4},x sta: $0004+{]line*$1000},y ldal tiledata+{]line*4}+2,x sta: $0001+{]line*$1000},y ]line equ ]line+1 --^ rts _TBCopyDataV ]src equ 7 ]dest equ 0 lup 8 ldal tiledata+{]src*4},x sta: $0004+{]dest*$1000},y ldal tiledata+{]src*4}+2,x sta: $0001+{]dest*$1000},y ]src equ ]src-1 ]dest equ ]dest+1 --^ rts