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display.i
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Text File
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1991-03-14
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1KB
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43 lines
IFND GRAPHICS_DISPLAY_I
GRAPHICS_DISPLAY_I SET 1
**
** $Filename: graphics/display.i $
** $Release: 2.04 $
** $Revision: 37.0 $
** $Date: 91/01/07 $
**
** include define file for display control registers
**
** (C) Copyright 1985,1986,1987,1988,1989 Commodore-Amiga, Inc.
** All Rights Reserved
**
* bplcon0 defines
MODE_640 equ $8000
PLNCNTMSK equ $7 * how many bit planes?
* * 0 = none, 1->6 = 1->6, 7 = reserved
PLNCNTSHFT equ 12 * bits to shift for bplcon0
PF2PRI equ $40 * bplcon2 bit
COLORON equ $0200 * disable color burst
DBLPF equ $400
HOLDNMODIFY equ $800
INTERLACE equ 4 * interlace mode for 400
* bplcon1 defines
PFA_FINE_SCROLL equ $F
PFB_FINE_SCROLL_SHIFT equ 4
PF_FINE_SCROLL_MASK equ $F
* display window start and stop defines
DIW_HORIZ_POS equ $7F * horizontal start/stop
DIW_VRTCL_POS equ $1FF * vertical start/stop
DIW_VRTCL_POS_SHIFT equ 7
* Data fetch start/stop horizontal position
DFTCH_MASK equ $FF
* vposr bits
VPOSRLOF equ $8000
ENDC ; GRAPHICS_DISPLAY_I