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32 lines
1.2 KiB
32 lines
1.2 KiB
page ,132
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;-----------------------------Module-Header-----------------------------;
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; Module Name: EGA.INC
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;
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; This file contains the definitions of the EGA registers used by
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; the driver.
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;
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; Copyright (c) 1988-1993 Microsoft Corporation
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;
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; General Description:
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;
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;-----------------------------------------------------------------------;
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HW_POINTER_LEN equ 100h ;# of VGA addresses used by hardware
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SEQ_EXT_MODE equ 007h ; Extended Sequencer Mode index
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SEQ_HIRES_MODE equ 001h ; select true packed pixel addressing
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SEQ_PX equ 010h ; X start index
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SEQ_PY equ 011h ; Y start index
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SEQ_PPA equ 013h ;pointer pattern address index
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AVGA_PROA equ 009h ;banking control register
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AVGA_MODE_EXTENSIONS equ 00Bh
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EXT_WR_MODES equ 24h ; enable extended write modes in GRB
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SEQ_EXT_WRITE_CONTROL equ 0f3h
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PTR_HEIGHT equ 32 ;height of hardware pointer in scans
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PTR_WIDTH equ 4 ;width of hardware pointer in bytes
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PTR_WIDTH_IN_PIXELS equ 32 ;width of hardware pointer in pixels
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