A2osX/DRV/DHGR.DRV.S.RECT.txt

PR#3
PREFIX /A2OSX.BUILD
LOMEM $A00
INC 1
AUTO 6
				.LIST OFF	
*--------------------------------------
* FILLRECT
*	1 : OP (XOR,SET,ORA)
*   2 : Mode
*	3 : Color
*   4 : SrcX1
*   6 : SrcY1
*   8 : SrcX2
*  10 : SrcY2
*--------------------------------------
FILLRECT		jsr HLINE

				ldy CB.Cache+S.CB.Y1
				cpy CB.Cache+S.CB.Y2
				beq .8
			
.2				iny
				phy
				jsr LBUF.DrawAtY
				ply
				cpy CB.Cache+S.CB.Y2
				bne .2
				
.8				rts
*--------------------------------------
*   4 : SrcX1
*   6 : SrcY1
*   8 : SrcX2
*  10 : SrcY2
*  18 : S.CB.DstPtr = Size in Bytes to save this RECT
*--------------------------------------
GETRECTBUFSIZE	>LDYA CB.Cache+S.CB.X1
				jsr DIVMOD7YA
				
				sta GBYTE
				
				>LDYA CB.Cache+S.CB.X2
				jsr DIVMOD7YA
				
				inc						COL2 + 1 
				sec
				sbc GBYTE				(COL2+1)-COL1
				tax
				
				>LDYA CB.Cache+S.CB.Y1
				jsr YAMultX

				phy
				
				ldy #S.CB.DstPtr+1
				sta (ZPCmdPtr),y
				pla
				dey
				sta (ZPCmdPtr),y
				rts
*--------------------------------------
MAN
SAVE /A2OSX.SRC/DRV/DHGR.DRV.S.BLT
LOAD /A2OSX.SRC/DRV/DHGR.DRV.S
ASM