A2osX/DRV/DHGR.DRV.S.RECT.txt
2020-10-13 17:54:55 +02:00

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NEW
AUTO 3,1
*--------------------------------------
* 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 ZPTmpByte A = X1 div 7
>LDYA CB.Cache+S.CB.X2
jsr DIVMOD7YA
inc A = (X2 mod 7) + 1
sec
sbc ZPTmpByte (COL2+1)-COL1
tax
lda CB.Cache+S.CB.Y2
sec
sbc CB.Cache+S.CB.Y1
tay
lda #0
jmp YAMultX
*--------------------------------------
MAN
SAVE usr/src/drv/dhgr.drv.s.rect
LOAD usr/src/drv/dhgr.drv.s
ASM