370 lines
11 KiB
PHP
370 lines
11 KiB
PHP
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;++
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;
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; Copyright (c) 1989 Microsoft Corporation
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;
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; Module Name:
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;
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; video.inc
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;
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; Abstract:
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;
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; This module implements the assembley definitions necessary to determine
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; display adapter type.
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;
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; Author:
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;
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; Shie-Lin Tzong (shielint) 15-July-1991.
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; Most of the stuff is extracted from win31 setup code.
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;
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; Environment:
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;
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; 80x86 Real Mode.
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;
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; Revision History:
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;
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;
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;--
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;
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; Display type definitions.
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; BIT 16-31 Defines video adapter type
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; bit 0 0 - color; 1 - mono
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; bit 1-7 Reserved
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; bit 8-15 Adapter specific information.
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;
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VD_UNKNOWN EQU 0
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VD_COLOR EQU 0
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VD_MONO EQU 1
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VD_VGA EQU 10000h
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VD_COMPAQ_AVGA EQU 20000H
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VD_COMPAQ_QVIS EQU 30000H
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VD_8514 EQU 40000H
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VD_GENOA_VGA EQU 50000H
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VD_VIDEO7_VGA EQU 60000H
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VD_TRIDENT_VGA EQU 70000H
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VD_PARADISE_VGA EQU 80000H
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VD_ATI_VGA EQU 90000H
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VD_TSENGLAB_VGA EQU 0A0000H
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VD_CIRRUS_VGA EQU 0B0000H
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VD_DELL_DGX EQU 0C0000H
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VD_S3 EQU 0D0000H
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VD_NCR_77C22 EQU 0E0000H
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VD_WD_90C EQU 0F0000H
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VD_XGA EQU 100000H
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;
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; Monitor type for 8514
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; NOte, 0 is not used.
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;
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VF_MONITOR_VGA EQU 100h ; Stand VGA
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VF_MONITOR_MONO_8503 EQU 200h ; mono 8503
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VF_MONITOR_GAD_8514 EQU 300h ; 8514 type monitor
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;
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; Video 7 VGA specific flags
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;
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VF_V7_VRAM EQU 100H
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VF_V7_DRAM EQU 200H
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;
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; NCR 77C2x specific flags
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;
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VF_NCR_77C22E EQU 100H
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;
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; WD90Cxx specific flags
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;
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VF_WD_00 EQU 100H
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VF_WD_30 EQU 200H
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VF_WD_31 EQU 300H
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;
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; Trident VGA specific flags
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;
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VF_TVGA_9100 EQU 100h
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;
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; Paradise VGA specific flags
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;
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VF_PVGA_PROM EQU 100h ; with Paradise ROM
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VF_PVGA_CHIP_1F EQU 200h ; with 1F chip
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;
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; ATI VGA specific flags
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;
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VF_ATIVGA_WONDDER3 EQU 100h
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;
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; Tseng Lab VGA specific flags
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;
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VF_TLVGA_ET3000 EQU 0
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VF_TLVGA_ET4000 EQU 100h
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;
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; Cirrus Logic VGA specific definitions
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;
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VF_CLVGA_REVC EQU 100h ; 610/620 rev C
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;
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; 070193 - adrianc
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; Added the Cirrus chip detection for COMPAQ servers.
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;
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VF_CLVGA_5420r0 EQU 200h ; COMPAQ Cirrus implementations
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VF_CLVGA_5420r1 EQU 300h
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VF_CLVGA_5428 EQU 400h
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VF_CLVGA_542x EQU 500h
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;
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; Equates for 8514 register ports.
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;
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ERR_TERM equ 92e8h ; 8514 error term register.
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SUBSYS_STAT equ 42e8h ; 8514 Subsystem status register.
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;
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; Video display register equates
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; ...Colr are for CGA and EGA color modes
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; ...Mono are for EGA/VGA monochrome modes
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;
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;NAMING CONVENTIONS
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; pXXXXX is a I/O port definition
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; fXXXXX is a bit mask
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; bXXXXX is a bit number
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; mXXXXX is a bit mask (multiple fXXXX)
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; vXXXXX is a value to output/input to/from a port
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; xXXXXX is a specific index
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;
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; CRT registers
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;
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pCRTCIndxColr EQU 3D4h ; CRTC index register
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pCRTCIndxMono EQU 3B4h
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pCRTCDataColr EQU 3D5h ; CRTC data register
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pCRTCDataMono EQU 3B5h
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; Status register
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;
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pStatColr EQU 3DAh ; Status register
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pStatMono EQU 3BAh
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fStatEna EQU 00000001b ; Video RAM access OK for processor
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fStatLPTr EQU 00000010b ; Light pen triggered
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fStatLPSw EQU 00000100b ; Light pen switch is "on"
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fStatVRTC EQU 00001000b ; Vertical retrace in progress
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mStat_IVal EQU fStatEna+fStatVRTC ; Initial value for pseudo status
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;
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; Feature control
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;
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pFeatColr EQU pStatColr ; Feature control
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pFeatMono EQU pStatMono
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pFeatVGAIn EQU 3CAh ; VGA feature control read
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fFeatFC0 EQU 00000001b ; FC0
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fFeatFC1 EQU 00000010b ; FC1
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;
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; Light pen
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;
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pLPen1Colr EQU 3DBh ; Light pen latch clear
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pLPen1Mono EQU 3BBh
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pLPen2Colr EQU 3DCh ; Light pen latch set
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pLPen2Mono EQU 3BCh
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;
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; Misc input/output
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;
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pMisc EQU 3C2h ; Miscellaneous output
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pMiscIn EQU 3CCh ; VGA read Misc. output
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fMiscPNum EQU 00000001b ; 3Dx port numbers(vs. 3Bx)
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fMiscREna EQU 00000010b ; Ram enable
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fMiscDot EQU 00001100b ; Dot clock select
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fMiscOSrc EQU 00010000b ; Output source
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fMiscPage EQU 00100000b ; Page bit for odd/even mode
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fMiscHPol EQU 01000000b ; Horizontal retrace polarity
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fMiscVPol EQU 10000000b ; Vertical retrace polarity
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mMiscCRTC EQU fMiscREna+fMiscPage ; Mask for CRTC bits
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mMiscMemC EQU 0FFh - mMiscCRTC ; Mask for MemC bits
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;
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; Misc. status
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;
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pStt0EGA EQU pMisc ; Miscellaneous status
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fStt0Swit EQU 00010000b ; Switch sense(addr'd by dot clk sel)
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fStt0FCI0 EQU 00100000b ; Feature card input 0
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fStt0FCI1 EQU 01000000b ; Feature card input 1
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fStt0VRTC EQU 10000000b ; VRTC
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;
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; Attribute control
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;
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pAttr EQU 3C0h ; Attribute(palette) address/data
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fVAI_Indx EQU 10000000b ; sign bit of Attribute index is
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bVAI_Indx EQU 7 ; flag indicating port is index
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fVAI_ScOn EQU 00100000b ; Indicates screen is on
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bVAI_ScOn EQU 5
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;
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; Sequencer
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;
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pSeqIndx EQU 3C4h ; Sequencer address
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pSeqData EQU 3C5h ; Sequencer data
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fSeq0ARst EQU 00000001b ; 0:Async reset
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fSeq0SRst EQU 00000010b ; 0:Sync reset
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fSeq1DPCh EQU 00000001b ; 1:Dots per character
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fSeq1BWid EQU 00000010b ; 1:Band Width
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fSeq1ShLd EQU 00000100b ; 1:Shift load(0=every char, 1=skip)
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fSeq1DClk EQU 00001000b ; 1:Dot clock(=1 if halved)
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mSeq2WMsk EQU 00001111b ; 2:Write mask
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mSeq3ChrB EQU 00000011b ; 3:Char map B select(attr bit 3 = 0)
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mSeq3ChrA EQU 00001100b ; 3:Char map A select(attr bit 3 = 1)
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fSeq4Alph EQU 00000001b ; 4:Alpha mode(char gen enabled)
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fSeq4ExtM EQU 00000010b ; 4:Extended memory installed
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fSeq4SqAd EQU 00000100b ; 4:Seq'l mem addr'ing(vs. odd/even)
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fSeq4Chain4 EQU 00001000b ; 4:Chain 4 (double odd/even) for
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; 256 color (mode 13)
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fSeqF9extpgsel EQU 00000001b ;V7F9:Extended page select
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fSeqFCext256m EQU 00000010b ;V7FC:Extended 256 color mode
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fSeqFCext256e EQU 00000100b ;V7FC:Extended 256 color enable
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fSeqFCseqChain4 EQU 00100000b ;V7FC:Sequential Chain 4
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;
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; Graphic controller
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;
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pGrp1Pos EQU 3CCh ; Graphics posn 1(=0)
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pGrp2Pos EQU 3CAh ; Graphics posn 2(=1)
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pGrpIndx EQU 3CEh ; Graphics controller address
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pGrpData EQU 3CFh ; Graphics controller data
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fGrp0StV0 EQU 00000001b ; 0:Value for plane 0 if enabled
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fGrp0StV1 EQU 00000010b ; 0:Value for plane 1 if enabled
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fGrp0StV2 EQU 00000100b ; 0:Value for plane 2 if enabled
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fGrp0StV3 EQU 00001000b ; 0:Value for plane 3 if enabled
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fGrp1Ena0 EQU 00000001b ; 1:Enable for plane 0
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fGrp1Ena1 EQU 00000010b ; 1:Enable for plane 1
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fGrp1Ena2 EQU 00000100b ; 1:Enable for plane 2
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fGrp1Ena3 EQU 00001000b ; 1:Enable for plane 3
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mGrp2Colr EQU 00001111b ; 2:Color compare value
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mGrp3RCnt EQU 00000111b ; 3:Rotate left count for mode 0
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mGrp3Func EQU 00011000b ; 3:Function for modes 0 and 2
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mGrp4RMsk EQU 00000111b ; 4:Read map select
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mGrp5WMod EQU 00000011b ; 5:Write mode
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fGrp5Test EQU 00000100b ; 5:Test condition
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fGrp5RMod EQU 00001000b ; 5:Read mode(0=plane,1=compare)
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fGrp5SqAd EQU 00010000b ; 5:Seq'l mem addr'ing(vs. odd/even)
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fGrp5CGA EQU 00100000b ; 5:CGA 4 color mode addressing
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fGrp6Char EQU 00000001b ; 6:Char or graphics
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fGrp6Chain EQU 00000010b ; 6:Chain odd maps after even
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mGrp6Addr EQU 00001100b ; 6:Processor view of VRAM start addr
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; 00=A000 for 128kb
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; 01=A000 for 64kb
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; 10=B000 for 32kb
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; 11=B800 for 32kb
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bGrp6Addr EQU 2 ; First of 2 bits for start addr
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mGrp7Colr EQU 00001111b ; 7:Color don't care for read compare
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; 8:Mask: use latch value vs. data
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;
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; VGA subsystem enable
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;
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pVGAEna EQU 3C3h ; VGA enable register
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fVGAEna EQU 00000001b ; Enable access to VGA
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;
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; VGA DAC
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;
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pDACWindx EQU 3C8h ; DAC Write index(R/W)
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pDACRindx EQU 3C7h ; DAC Read index(RO)
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pDACState EQU pDACRindx ; DAC state
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pDACData EQU 3C9h ; DAC data(3 successive accesses)
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pDACMask EQU 3CAh ; DAC mask
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;
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; VGA read access to write only registers
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;
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pMiscRead EQU 3CCh ; Port to read Misc output register
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pFeatRead EQU 3CAh ; Port to read Feature output register
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;
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; 8514 DAC
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;
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p8514DACWindx EQU 2ECh ; DAC Write index(R/W)
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p8514DACRindx EQU 2EBh ; DAC Read index(RO)
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p8514DACState EQU pDACRindx ; DAC state
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p8514DACData EQU 2EDh ; DAC data(3 successive accesses)
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;
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; values returned from reads of port pDACState:
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;
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vDAC_Read_Mode EQU 0
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vDAC_Write_Mode EQU 3
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xC_CTMiscRead EQU 0Fh ; CHIPS Misc output read index
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xC_CTFeatRead EQU 0Eh ; CHIPS Feat output read index
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xC_CT400 EQU 0F9h ; CHIPS 400 line reg index
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xC_CTTempFE EQU 0FEh ; CHIPS CRTC temp reg FEh
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xG_CTCtl EQU 0F7h ; CHIPS control reg index
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;
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pCMode EQU 3C6h ; Control mode(Compaq specific)
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ATiVGA_extended_reg EQU 01ceh
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TVGA_3C5_B_WrMode equ 0
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TVGA_3C5_B_RdMode equ 1
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;
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; Definition for IBM XGA video adapter Id.
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;
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IBM_XGA_ID_LOW EQU 8FD8h
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IBM_XGA_ID_HIGH EQU 8FDBh
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MCA_POS_DATA_SIZE EQU 6
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;
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; Misc. V7 VRAM definitions
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;
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VRAM2_ROM_ID_1 EQU 108h
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VRAM2_ROM_ID_2 EQU 208h
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VRAM2ERGO_ROM_ID EQU 308h
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V7_ID_OFFSET EQU 86h ; The offset to V7VGA ROM id
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;
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; WD extended registers
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;
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WD_EXT_IO_PORT EQU 23C0h
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;
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; Misc. definitions
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;
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FONT_POINTERS EQU 700h ; physical addr to store font pointers
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|
; This is also the DOS loaded area
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VIDEO_SEG EQU 0C000h ; Video memory segment
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