mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-22 16:31:07 +00:00
645 lines
12 KiB
Plaintext
645 lines
12 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF /A2OSX.BOOT/DRV/DHGR.DRV
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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.INB INC/IO.I
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.INB INC/LIBGFX.I
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*--------------------------------------
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ZPBase .EQ ZPDRV
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ZPShiftLo .EQ ZPDRV+2
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ZPShiftHi .EQ ZPDRV+4
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ZPCtrlBlk .EQ ZPDRV+8 limited to 8 bytes for now...have to modify kernel
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp Dev.Detect cld,jmp abs=DRV
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 DRV Layout Version 1
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.DA 0
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.DA CS.END-CS.START Code Length
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.DA DEV.HEADER-CS.START Device Header Offset
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.DA DRV.CS.START-CS.START Driver Code Offset
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.DA DRV.CS.END-DRV.CS.START Drv Code Length
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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L.MSG.DETECT .DA MSG.DETECT
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.DA 0 End Of Reloc Table
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*--------------------------------------
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Dev.Detect >LDYA L.MSG.DETECT
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>SYSCALL PrintFYA
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ldx #0
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.1 txa
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stz Shift0.hi,x
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asl
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rol Shift0.hi,x
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lsr
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sta Shift0.lo,x
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inx
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bpl .1
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ldx #0
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.2 lda Shift0.hi,x
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sta Shift1.hi,x
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lda Shift0.lo,x
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asl
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asl
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rol Shift1.hi,x
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lsr
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sta Shift1.lo,x
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inx
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bpl .2
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ldx #0
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.3 lda Shift1.hi,x
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sta Shift2.hi,x
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lda Shift1.lo,x
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asl
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asl
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rol Shift2.hi,x
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lsr
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sta Shift2.lo,x
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inx
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bpl .3
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ldx #0
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.4 lda Shift2.hi,x
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sta Shift3.hi,x
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lda Shift2.lo,x
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asl
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asl
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rol Shift3.hi,x
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lsr
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sta Shift3.lo,x
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inx
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bpl .4
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ldx #0
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.5 lda Shift3.hi,x
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sta Shift4.hi,x
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lda Shift3.lo,x
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asl
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asl
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rol Shift4.hi,x
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lsr
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sta Shift4.lo,x
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inx
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bpl .5
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ldx #0
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.6 lda Shift4.hi,x
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sta Shift5.hi,x
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lda Shift4.lo,x
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asl
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asl
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rol Shift5.hi,x
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lsr
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sta Shift5.lo,x
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inx
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bpl .6
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ldx #0
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.7 lda Shift5.hi,x
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sta Shift6.hi,x
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lda Shift5.lo,x
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asl
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asl
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rol Shift6.hi,x
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lsr
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sta Shift6.lo,x
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inx
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bpl .7
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clc
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rts
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CS.END
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MSG.DETECT >CSTR "\nApple IIe/IIc DHGR Driver.\n"
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*--------------------------------------
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* Device Header (16 Bytes)
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*--------------------------------------
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DEV.HEADER cld
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jmp (DRV.CS.START,x)
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.HS 00 DevID
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.DA #0 No Flag
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>PSTR "GFX" NAME
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.HS 00 NAME must Be 5 bytes long
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.HS 00
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.HS 00.00.00.00
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*--------------------------------------
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* Driver Code
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*--------------------------------------
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DRV.CS.START .DA OPEN
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.DA GETEVENT
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.DA COUT
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.DA CLOSE
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.DA GETINFO
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.DA IRQ
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.DA SELECT
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.DA SETPIXEL
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.DA GETPIXEL
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.DA HLINE
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.DA VLINE
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.DA BITBLT
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.DA FILLREC
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.DA SETCURPOS
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.DA SETCUR
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.DA HIDECUR
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.DA SHOWCUR
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L.DEVINFO .DA DEVINFO
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L.DIV7.0 .DA DIV7.0
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L.MOD7.0 .DA MOD7.0
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L.Shift0.Lo .DA Shift0.lo
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L.Shift0.Hi .DA Shift0.hi
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.DA 0 end or relocation
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*--------------------------------------
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OPEN ldy #S.DEV.ID
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lda (pDev),y
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sta A2osX.SCRNDEVS+2
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lda #3
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sta A2osX.ASCREEN
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jsr SELECT
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lda L.DIV7.0+1
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sta DIV7.hi
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inc
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sta DIV7.hi+1
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inc
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sta DIV7.hi+2
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ldy #0
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ldx #0
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.1 lda L.MOD7.0,y
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sta MOD7.lo,x
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iny
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lda L.MOD7.0,y
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sta MOD7.hi,x
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iny
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inx
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cpx #3
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bne .1
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ldx #7
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lda L.Shift0.Lo+1
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.10 sta Shiftlo.hi,x
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inc
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dex
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bne .10
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ldx #7
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lda L.Shift0.hi+1
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.11 sta Shifthi.hi,x
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inc
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dex
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bne .11
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.8 clc
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rts
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*--------------------------------------
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GETEVENT
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COUT
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IRQ sec
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rts
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*--------------------------------------
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CLOSE clc
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rts
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*--------------------------------------
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GETINFO >LDYA L.DEVINFO
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clc
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rts
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*--------------------------------------
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SELECT sta CLRTEXT
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sta CLRMIXED
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sta SETHIRES
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sta CLR80STORE
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sta CLRPAGE2
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sta SETIOUDIS
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sta SETDHIRES
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* sta CLR80DISP
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* sta SETDHIRES
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* sta CLRDHIRES
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* sta SET80DISP
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* sta SETDHIRES
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* sta CLRDHIRES
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* sta SETDHIRES
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clc
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rts
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*--------------------------------------
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* SETPIXEL
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* In : YA = Ptr to CtrlBlk :
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* 0 : X
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* 2 : Y
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* 4 : Mode
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* 00000000=xor
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* 00000001=b/w (1 bit/pixel)
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* 00000100=16 colors (4 bits/pixel)
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* 00001000=256 colors (8 bits/pixel)
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* 5 : Color
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*--------------------------------------
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SETPIXEL >STYA ZPBase
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ldy #5
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.1 lda (ZPBase),y
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sta ZPCtrlBlk,y
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dey
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bpl .1
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sta SET80STORE
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lda ZPCtrlBlk+4
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bit #%00000100
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bne .7
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*-----B&W -----------------------------
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ldx ZPCtrlBlk+1 X.HI
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lda DIV7.hi,x
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sta .2+2
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lda MOD7.lo,x
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sta .4+1
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lda MOD7.hi,x
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sta .4+2
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ldx ZPCtrlBlk X.LO
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.2 lda DIV7.0,x A=Col*2+AuxBit
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eor #1 toggle last bit : 0=Aux, 1=Main
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lsr .3+1 reset CLRPAGE2 address
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lsr CS=Aux
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rol .3+1 if CS, -> SETPAGE2
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.3 sta CLRPAGE2
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adc BASEL,y setup line Base Ptr (A=Col)
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sta ZPBase
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lda BASEH,y
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sta ZPBase+1
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.4 ldy MOD7.0,x x = X.LO
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dec ZPCtrlBlk+4 get mode
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bne .5
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lda (ZPBase) Mode=0, XOR
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eor Mono.Masks,y y = mod 7
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sta (ZPBase)
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sta CLR80STORE
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rts
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.5 lda (ZPBase)
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ldx ZPCtrlBlk+5 mode=1, get color
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bne .6
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and Mono.NMasks,y includes And $7F for mono
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sta (ZPBase)
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sta CLR80STORE
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rts
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.6 and #$7F switch back this byte to mono
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ora Mono.Masks,y
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sta (ZPBase)
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sta CLR80STORE
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rts
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*-----16 Colors -----------------------
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.7 lda ZPCtrlBlk X.LO
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lsr ZPCtrlBlk+1 divide by 4
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ror
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lsr ZPCtrlBlk+1
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ror
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tay Y=CX/4 (range 0->139)
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lda DIV7.0,y A=CX/4/7 (range 0->19)
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asl times 2 (range 0->38)
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ldx ZPCtrlBlk+2
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adc BASEL,x setup line Base Ptr (cc by asl)
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sta ZPBase ZPBase now point to first of...
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lda BASEH,x
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sta ZPBase+1 ...the 4 columns
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lda MOD7.0,y get MOD
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asl times 4 to compute index in MASK tables
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asl
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tax set in X for Masks,NMasks
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lda ZPCtrlBlk+5 get COLOR
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asl times 4 to compute index in PIXELS table
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asl
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tay
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lda Color.Masks,x bits in 1st byte to light?
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beq .10
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and Color.Pixels,y apply color
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sta GBYTE
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sta SETPAGE2
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lda (ZPBase)
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and Color.NMasks,x reset existing pixel,
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ora GBYTE
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sta (ZPBase)
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.10 inx
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iny
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lda Color.Masks,x
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beq .11
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and Color.Pixels,y apply color
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sta GBYTE
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sta CLRPAGE2
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lda (ZPBase)
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and Color.NMasks,x reset existing pixel,
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ora GBYTE
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sta (ZPBase)
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.11 inc ZPBase
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inx
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iny
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lda Color.Masks,x
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beq .12
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and Color.Pixels,y apply color
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sta GBYTE
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sta SETPAGE2
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lda (ZPBase)
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and Color.NMasks,x reset existing pixel,
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ora GBYTE
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sta (ZPBase)
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.12 inx
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iny
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lda Color.Masks,x
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beq .13
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and Color.Pixels,y apply color
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sta GBYTE
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sta CLRPAGE2
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lda (ZPBase)
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and Color.NMasks,x reset existing pixel,
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ora GBYTE
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sta (ZPBase)
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.13 sta CLR80STORE
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rts
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*--------------------------------------
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GETPIXEL rts
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*--------------------------------------
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HLINE rts
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*--------------------------------------
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VLINE rts
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*--------------------------------------
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FILLREC rts
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*--------------------------------------
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* BitBlt
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* In : YA = Ptr to CtrlBlk :
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* 0 : Operation
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* %00000001 : Save
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* %00000010 : Replace
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* %00000100 : AND with Src BitMask
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* %00001000 : ORA with Src BitMap
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* %00010000 : XOR
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* 2 : SavePTR
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* 4 : SrcAX
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* 6 : SrcAY
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* 8 : SrcBX
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* 10 : SrcBY
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* 12 : DestX
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* 14 : DestY
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* 16 : BM Struct
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*--------------------------------------
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BITBLT >STYA ZPCtrlBlk
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lda (ZPCtrlBlk)
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clc
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rts
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*--------------------------------------
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* Y,A = pPoint
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*--------------------------------------
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SETCURPOS >STYA ZPBase
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ldy #3
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.1 lda (ZPBase),y
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sta CUR.X,y
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dey
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bpl .1
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bit CUR.State
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bpl .2
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jsr HIDECUR.I
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jsr SHOWCUR.I
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.2 clc
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rts
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*--------------------------------------
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* Y,A = pCur
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*--------------------------------------
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SETCUR >STYA ZPBase
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ldy #S.CUR-1
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.1 lda (ZPBase),y
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sta CUR.Buf,y
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dey
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bpl .1
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bit CUR.State
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bpl .2
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jsr HIDECUR.I
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jsr SHOWCUR.I
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.2 clc
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rts
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*--------------------------------------
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SHOWCUR bit CUR.State
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bpl SHOWCUR.I
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clc
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rts
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SHOWCUR.I sta SET80STORE
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ldx CUR.X+1
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lda DIV7.hi,x
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sta .71+2
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lda MOD7.hi,x
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sta .72+2
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ldx CUR.X
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.71 lda DIV7.0,x
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lsr
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sta SB.StartCol
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lda #0
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sbc #0
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sta SB.StartPage
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.72 ldy MOD7.0,x
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lda Shiftlo.Hi,y
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sta ZPShiftLo+1
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lda ShiftHi.Hi,y
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sta ZPShiftHi+1
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lda L.Shift0.Lo
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sta ZPShiftLo
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lda L.Shift0.hi
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sta ZPShifthi
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lda CUR.Y
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sta CY
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ldx #0 index to CUR data/mask
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.1 ldy CY
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lda BaseL,y
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clc
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adc SB.StartCol
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sta ZPBase
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lda BaseH,y
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sta ZPBase+1
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lda SB.StartPage
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sta SB.Page
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lda SB.Page
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tay
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eor #1
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sta SB.Page
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sta CLRPAGE2,y
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lda (ZPBase)
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ldy CUR.Buf+S.CUR.MASK,x
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and (ZPShiftLo),y
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ldy CUR.Buf+S.CUR.DATA,x
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ora (ZPShiftLo),y
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sta (ZPBase)
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lda SB.Page
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tay
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eor #1
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sta SB.Page
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sta CLRPAGE2,y
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beq .3
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inc ZPBase
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.3 lda (ZPBase)
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ldy CUR.Buf+S.CUR.MASK,x
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and (ZPShiftHi),y
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ldy CUR.Buf+S.CUR.DATA,x
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ora (ZPShiftHi),y
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inx
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ldy CUR.Buf+S.CUR.MASK,x
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and (ZPShiftLo),y
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ldy CUR.Buf+S.CUR.DATA,x
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ora (ZPShiftLo),y
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sta (ZPBase)
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lda SB.Page
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tay
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eor #1
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sta SB.Page
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sta CLRPAGE2,y
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beq .4
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inc ZPBase
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.4 lda (ZPBase)
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ldy CUR.Buf+S.CUR.MASK,x
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and (ZPShiftHi),y
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ldy CUR.Buf+S.CUR.DATA,x
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ora (ZPShiftHi),y
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sta (ZPBase)
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inx
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cpx #32
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bne .1
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sta CLR80STORE
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sec
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ror CUR.State
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SHOWCUR.RTS clc
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rts
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*--------------------------------------
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HIDECUR bit CUR.State
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bpl HIDECUR.RTS
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HIDECUR.I
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clc
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ror CUR.State
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HIDECUR.RTS clc
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rts
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*--------------------------------------
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DRV.CS.END
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*--------------------------------------
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Shift0.lo .BS 128
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Shift0.hi .BS 128
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Shift1.lo .BS 128
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Shift1.hi .BS 128
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Shift2.lo .BS 128
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Shift2.hi .BS 128
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Shift3.lo .BS 128
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Shift3.hi .BS 128
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Shift4.lo .BS 128
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Shift4.hi .BS 128
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Shift5.lo .BS 128
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Shift5.hi .BS 128
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Shift6.lo .BS 128
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Shift6.hi .BS 128
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*--------------------------------------
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.INB DRV/DHGR.DRV.T
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*--------------------------------------
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DIV7.hi .BS 3
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MOD7.lo .BS 3
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MOD7.hi .BS 3
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Shiftlo.hi .BS 7
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Shifthi.hi .BS 7
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*--------------------------------------
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CX .BS 2
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CY .BS 1
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COL .BS 1
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GBYTE .BS 1
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*--------------------------------------
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CUR.State .BS 1
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CUR.X .BS 2
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CUR.Xdiv7 .BS 1
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CUR.Xmod7 .BS 1
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CUR.Y .BS 2
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CUR.Buf .BS S.CUR
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||
CUR.SaveCol .BS 1
|
||
CUR.SaveColCnt .BS 1
|
||
CUR.SaveRow .BS 1
|
||
CUR.SaveRowCnt .BS 1
|
||
CUR.SaveBuf .BS 3*16 MAX 3 bytes*16 rows
|
||
SB.StartPage .BS 1
|
||
SB.Page .BS 1
|
||
SB.StartCol .BS 1
|
||
SB.Col .BS 1
|
||
*--------------------------------------
|
||
DEVINFO .DA #S.DEVINFO.TYPE.GFX type of DEVINFO STRUCT
|
||
DEVINFO.MODES .DA #%10000011 XOR,16 & B/W
|
||
DEVINFO.W .DA 560 X.SIZE
|
||
DEVINFO.H .DA 192 Y.SIZE
|
||
.LIST ON
|
||
*--------------------------------------
|
||
DRV.SIZE .EQ *-DRV.CS.START
|
||
*--------------------------------------
|
||
.LIST OFF
|
||
MAN
|
||
SAVE DRV/DHGR.DRV.S
|
||
ASM
|