126 lines
4.3 KiB
C
126 lines
4.3 KiB
C
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/*++
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Copyright (c) 1992 Microsoft Corporation
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Copyright (c) 1993 Compaq Computer Corporation
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Module Name:
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cmdcnst.h
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Abstract:
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This is the command string interpreter definitions
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Environment:
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kernel mode only
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Notes:
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Revision History:
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--*/
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//--------------------------------------------------------------------------
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// Definition of the set/clear mode command language.
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//
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// Each command is composed of a major portion and a minor portion.
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// The major portion of a command can be found in the most significant
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// nibble of a command byte, while the minor portion is in the least
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// significant portion of a command byte.
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//
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// maj minor Description
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// ---- ----- --------------------------------------------
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// 00 End of data
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//
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// 10 in and out type commands as described by flags
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// flags:
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//
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// xxxx
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// ||||
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// |||+-------- unused
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// ||+--------- 0/1 single/multiple values to output (in's are always
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// |+---------- 0/1 8/16 bit operation single)
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// +----------- 0/1 out/in instruction
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//
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// Outs
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// ----------------------------------------------
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// 0 reg:W val:B
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// 2 reg:W cnt:W val1:B val2:B...valN:B
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// 4 reg:W val:W
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// 6 reg:W cnt:W val1:W val2:W...valN:W
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//
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// Ins
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// ----------------------------------------------
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// 8 reg:W
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// a reg:W cnt:W
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// c reg:W
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// e reg:W cnt:W
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//
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// 20 Special purpose outs
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// 00 do indexed outs for seq, crtc, and gdc
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// indexreg:W cnt:B startindex:B val1:B val2:B...valN:B
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// 01 do indexed outs for atc
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// index-data_reg:W cnt:B startindex:B val1:B val2:B...valN:B
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// 02 do masked outs
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// indexreg:W andmask:B xormask:B
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//
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// F0 Nop
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//
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//---------------------------------------------------------------------------
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// some useful equates - major commands
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#define EOD 0x000 // end of data
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#define INOUT 0x010 // do ins or outs
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#define METAOUT 0x020 // do special types of outs
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#define NCMD 0x0f0 // Nop command
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//
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// QVision specific commands.
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//
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#define QVCMD 0x040 // QVision specific commands
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#define QVNEW 0x080 // QVision set ARIES RAM
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// flags for INOUT major command
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//#define UNUSED 0x01 // reserved
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#define MULTI 0x02 // multiple or single outs
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#define BW 0x04 // byte/word size of operation
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#define IO 0x08 // out/in instruction
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// minor commands for metout
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#define INDXOUT 0x00 // do indexed outs
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#define ATCOUT 0x01 // do indexed outs for atc
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#define MASKOUT 0x02 // do masked outs using and-xor masks
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//
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// QVision specific commands. QVCMD Major code
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//
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#define SETMONCRTC 0x01 // set monitor dependent CRTC registers
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#define SETMONOVFLW 0x02 // set monitor dependent Overflow2 registers
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#define SETMISCOUT 0x04 // set monitor dependent Misc registers
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#define BYTE2PORT 0x08 // write one or more bytes to a specific address
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#define SETRAM 0x01 // Initialize QVision RAM
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#define ARIES 0x02 // Aries specific stuff
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#define V32 0x04 // Check for V32 and set the
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// V32 specific registers
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#define V35 0x08 // V35 Check for V35 stuff
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// composite inout type commands
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#define OB (INOUT) // output 8 bit value
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#define OBM (INOUT+MULTI) // output multiple bytes
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#define OW (INOUT+BW) // output single word value
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#define OWM (INOUT+BW+MULTI) // output multiple words
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#define IB (INOUT+IO) // input byte
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#define IBM (INOUT+IO+MULTI) // input multiple bytes
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#define IW (INOUT+IO+BW) // input word
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#define IWM (INOUT+IO+BW+MULTI) // input multiple words
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