A2osX/DRV/DHGR.DRV.S.txt

PR#3
PREFIX /A2OSX.BUILD
LOMEM $A00
INC 1
AUTO 6
				.LIST OFF	
				.OP	65C02
				.OR $2000
				.TF /A2OSX.BUILD/DRV/DHGR.DRV
*--------------------------------------
				.INB /A2OSX.BUILD/INC/MACROS.I
				.INB /A2OSX.BUILD/INC/A2OSX.I
				.INB /A2OSX.BUILD/INC/IO.I
				.INB /A2OSX.BUILD/INC/LIBGFX.I
*--------------------------------------
ZPBase			.EQ ZPDRV
ZPCount			.EQ ZPDRV+2
ZPCountCol		.EQ ZPDRV+4
ZPCountMod		.EQ ZPDRV+5

*--------------------------------------
*			File Header (16 Bytes)
*--------------------------------------
CS.START		cld
				jmp Dev.Detect			cld,jmp abs=DRV
				.DA #$61				6502,Level 1 (65c02)
				.DA #1					DRV Layout Version 1
				.DA 0
				.DA CS.END-CS.START			Code Length
				.DA DEV.HEADER-CS.START		Device Header Offset
				.DA DRV.CS.START-CS.START	Driver Code Offset
				.DA DRV.CS.END-DRV.CS.START	Drv Code Length
*--------------------------------------
* Relocation Table
*--------------------------------------
L.MSG.DETECT	.DA MSG.DETECT
				.DA 0					End Of Reloc Table
*--------------------------------------
Dev.Detect		>LDYA L.MSG.DETECT
				>SYSCALL PrintFYA
				
				ldx #0
.1				txa
				stz Shift0.hi,x
				asl
				rol Shift0.hi,x
				lsr
				sta Shift0.lo,x
				inx
				bpl .1
				
				ldx #0
.2				lda Shift0.hi,x
				sta Shift1.hi,x
				lda Shift0.lo,x
				asl
				asl
				rol Shift1.hi,x
				lsr
				sta Shift1.lo,x
				inx
				bpl .2
				
				ldx #0
.3				lda Shift1.hi,x
				sta Shift2.hi,x
				lda Shift1.lo,x
				asl
				asl
				rol Shift2.hi,x
				lsr
				sta Shift2.lo,x
				inx
				bpl .3
				
				ldx #0
.4				lda Shift2.hi,x
				sta Shift3.hi,x
				lda Shift2.lo,x
				asl
				asl
				rol Shift3.hi,x
				lsr
				sta Shift3.lo,x
				inx
				bpl .4
				
				ldx #0
.5				lda Shift3.hi,x
				sta Shift4.hi,x
				lda Shift3.lo,x
				asl
				asl
				rol Shift4.hi,x
				lsr
				sta Shift4.lo,x
				inx
				bpl .5
				
				ldx #0
.6				lda Shift4.hi,x
				sta Shift5.hi,x
				lda Shift4.lo,x
				asl
				asl
				rol Shift5.hi,x
				lsr
				sta Shift5.lo,x
				inx
				bpl .6
				
				ldx #0
.7				lda Shift5.hi,x
				sta Shift6.hi,x
				lda Shift5.lo,x
				asl
				asl
				rol Shift6.hi,x
				lsr
				sta Shift6.lo,x
				inx
				bpl .7
				
				clc
				rts
CS.END
MSG.DETECT		>CSTR "Apple IIe/IIc DHGR Driver.\r\n"
*--------------------------------------
*			Device Header (16 Bytes)
*--------------------------------------
DEV.HEADER		cld
				jmp (DRV.CS.START,x)
				.DA #0
				.BS 6
DEV.HEADER.NAME	>PSTR "GFX"
				.BS 1
*--------------------------------------
*			Driver Code
*--------------------------------------
DRV.CS.START	.DA STATUS
				.DA A2osX.BADCALL
				.DA A2osX.BADCALL
				.DA A2osX.BADCALL
				.DA CONTROL
				.DA A2osX.BADCALL
				.DA OPEN
				.DA CLOSE
				.DA A2osX.BADCALL
				.DA A2osX.BADCALL
				.DA A2osX.BADCALL
*--------------------------------------
				.DA SETPIXEL
				.DA GETPIXEL
				.DA HLINE
				.DA VLINE
				.DA FILLRECT
				.DA BITBLT
*--------------------------------------
L.STAT			.DA STAT
L.DIV7.0		.DA DIV7.0
				.DA DIV7.256
				.DA DIV7.512
L.MOD7.0		.DA MOD7.0
				.DA MOD7.256
				.DA MOD7.512
L.Shift0.Lo		.DA Shift0.lo
L.Shift0.Hi		.DA Shift0.hi
L.DIVMOD7Y0		.DA DIVMOD7Y0
				.DA DIVMOD7Y1
				.DA DIVMOD7Y2
				.DA 0					end or relocation
*--------------------------------------
STATUS			>LDYA L.STAT
				clc
				rts
*--------------------------------------
OPEN			sta A2osX.SCRNDEVS+2	DEV.ID in A

				ldy #0
				ldx #0
				
.1				lda L.DIV7.0,y
				sta DIV7.lo,x
				lda L.MOD7.0,y
				sta MOD7.lo,x
				
				iny
				
				lda L.DIV7.0,y
				sta DIV7.hi,x
				lda L.MOD7.0,y
				sta MOD7.hi,x
				
				iny
				inx
				cpx #3
				bne .1
				
				ldx #7
				lda L.Shift0.Lo+1
.10				sta Shiftlo.hi,x
				inc
				dex
				bne .10
				
				ldx #7
				lda L.Shift0.hi+1
.11				sta Shifthi.hi,x
				inc
				dex
				bne .11
				
.8				clc
				rts
*--------------------------------------
CONTROL			sta CLRTEXT
				sta CLRMIXED
				sta SETHIRES
				sta CLR80STORE
				sta CLRPAGE2
				sta SETIOUDIS
				sta SETDHIRES
				
*				sta CLR80DISP
*				sta SETDHIRES
*				sta CLRDHIRES
*				sta SET80DISP
*				sta SETDHIRES
*				sta CLRDHIRES
*				sta SETDHIRES

				lda #3
				sta A2osX.ASCREEN

				clc
				rts
*--------------------------------------
CLOSE			clc
				rts
*--------------------------------------
				.INB /A2OSX.SRC/DRV/DHGR.DRV.S.PIX
				.INB /A2OSX.SRC/DRV/DHGR.DRV.S.LIN
				.INB /A2OSX.SRC/DRV/DHGR.DRV.S.BLT
*--------------------------------------
* FILLRECT
*   2 : Mode
*	3 : Color
*   4 : SrcX1
*   6 : SrcY1
*   8 : SrcX2
*  10 : SrcY2
*--------------------------------------
FILLRECT		>STYA ZPBase
				ldy #S.CB.Y2

.1				lda (ZPBase),y
				sta CB.Cache,y
				dey
				bpl .1

.2				jsr HLINE.I

				lda CB.Cache+S.CB.Y1
				cmp CB.Cache+S.CB.Y2
				beq .8
				
				inc CB.Cache+S.CB.Y1
				bra .2
.8				rts
*--------------------------------------
* IN:
* Y = LO
* X = HI
* OUT:
* A = DIV
* X = MOD
*--------------------------------------
DIVMOD7YX		jmp (L.DIVMOD7Y0,x)

DIVMOD7Y0		lda DIV7.0,y
				ldx MOD7.0,y
				rts
				
DIVMOD7Y1		lda DIV7.256,y
				clc
				adc #$24
				ldx MOD7.256,y
				rts
				
DIVMOD7Y2		lda DIV7.512,y
				clc
				adc #$49
				ldx MOD7.512,y
				rts
*--------------------------------------
DRV.CS.END
*--------------------------------------
Shift0.lo		.BS 128
Shift0.hi		.BS 128
Shift1.lo		.BS 128
Shift1.hi		.BS 128
Shift2.lo		.BS 128
Shift2.hi		.BS 128
Shift3.lo		.BS 128
Shift3.hi		.BS 128
Shift4.lo		.BS 128
Shift4.hi		.BS 128
Shift5.lo		.BS 128
Shift5.hi		.BS 128
Shift6.lo		.BS 128
Shift6.hi		.BS 128
*--------------------------------------
				.INB /A2OSX.SRC/DRV/DHGR.DRV.T
*--------------------------------------
DIV7.lo			.BS 3
DIV7.hi			.BS 3
MOD7.lo			.BS 3
MOD7.hi			.BS 3
Shiftlo.hi		.BS 7
Shifthi.hi		.BS 7
*--------------------------------------
CB.Cache		.BS S.CB
*--------------------------------------
XDIV7			.BS 1
XMOD7			.BS 1
XCOL7			.BS 1
GBYTE			.BS 1
*--------------------------------------
STAT			.DA #0
				.DA #0,#0,#0
				>PSTR "Apple II DHGR"
				.BS 3
				.DA #S.DEVSTAT.T.GFX
				.DA #0
				.DA $0900
*--------------------------------------
DEVSTAT.MODES	.DA #S.CB.MODE.MONO+S.CB.MODE.C16
DEVSTAT.W		.DA 560					X.SIZE
DEVSTAT.H		.DA 192					Y.SIZE
*--------------------------------------
DRV.SIZE		.EQ *-DRV.CS.START	
*--------------------------------------
				.LIST OFF
MAN
SAVE /A2OSX.SRC/DRV/DHGR.DRV.S
ASM