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244 lines
4.1 KiB
244 lines
4.1 KiB
;***************************************************************************
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; *
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; Copyright (C) 1983,1984 by Microsoft Inc. *
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; *
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;***************************************************************************
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;***************************************************************************
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; *
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; Header file for IBM/PC timer device driver. Contains all machine *
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; specific constant and data structure definitions. *
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; *
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;***************************************************************************
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.xlist
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include cmacros.inc
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ifdef NEC_98
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include windefs.inc
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else ; NEC_98
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; include windefs.inc
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endif ; NEC_98
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.list
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; picked off romstuff.inc
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DSEG equ DATA
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doffset EQU <DataOffset>
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; Approximate value of timer tic in milliseconds * 1000.
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ifdef NEC_98
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res_low EQU 25000
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else ; NEC_98
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res_low EQU 54925
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endif ; NEC_98
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res_high EQU 0
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; equates for disk status
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REMOVEABLE equ 2
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FIXED equ 3
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REMOTE equ 4
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; Offset of Single Diskette indicator from beginning of Bios Data Area, 400h
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SingleDrive equ 104h
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; Timer structure
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tiblock STRUC
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tirate DW ? ; -1 means not used, 0 means call as fast as possible
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ticount DW ? ; -1 means end of table.
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tiproc DD ? ; far proc to call.
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tiblock ENDS
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ifdef NEC_98
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;
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; DELAY MACRO FOR 80386
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; This macro is defined in SYSMAC.INC(V23 ROM BIOS) <880203 ver2.1
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;
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DELAY MACRO DEV,ACT,MOD
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IFIDN <DEV>,<8237>
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IFIDN <ACT>,<O-O>
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JMP SHORT $+2
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ENDIF
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IFIDN <ACT>,<O-I>
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JMP SHORT $+2
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ENDIF
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IFIDN <ACT>,<>
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JMP SHORT $+2
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ENDIF
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ENDIF
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IFIDN <DEV>,<8253>
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IFIDN <ACT>,<O-O>
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REPT 2
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JMP SHORT $+2
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ENDM
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ENDIF
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IFIDN <ACT>,<I-I>
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JMP SHORT $+2
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ENDIF
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IFIDN <ACT>,<O-I>
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REPT 2
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JMP SHORT $+2
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ENDM
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ENDIF
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IFIDN <ACT>,<I-O>
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JMP SHORT $+2
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ENDIF
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IFIDN <ACT>,<>
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REPT 2
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JMP SHORT $+2
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ENDM
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ENDIF
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ENDIF
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IFIDN <DEV>,<8255>
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IFIDN <ACT>,<O-O>
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REPT 2
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JMP SHORT $+2
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ENDM
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ENDIF
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IFIDN <ACT>,<I-I>
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JMP SHORT $+2
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ENDIF
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IFIDN <ACT>,<O-I>
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REPT 2
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JMP SHORT $+2
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ENDM
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ENDIF
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IFIDN <ACT>,<I-O>
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JMP SHORT $+2
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ENDIF
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IFIDN <ACT>,<>
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REPT 2
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JMP SHORT $+2
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ENDM
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ENDIF
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ENDIF
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IFIDN <DEV>,<8259>
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IFIDN <ACT>,<O-O>
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JMP SHORT $+2
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ENDIF
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IFIDN <ACT>,<I-I>
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ENDIF
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IFIDN <ACT>,<O-I>
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JMP SHORT $+2
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ENDIF
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IFIDN <ACT>,<I-O>
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ENDIF
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IFIDN <ACT>,<>
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JMP SHORT $+2
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ENDIF
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ENDIF
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IFIDN <DEV>,<8251>
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IFIDN <ACT>,<O-O>
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IFIDN <MOD>,<INIT>
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REPT 4
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JMP SHORT $+2
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ENDM
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ENDIF
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IFIDN <MOD>,<ASYNC>
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REPT 5
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JMP SHORT $+2
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ENDM
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ENDIF
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IFIDN <MOD>,<SYNC>
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REPT 10
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JMP SHORT $+2
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ENDM
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ENDIF
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ENDIF
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ENDIF
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IFIDN <DEV>,<765>
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ENDIF
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IFIDN <DEV>,<7220>
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IFIDN <ACT>,<O-O>
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IFIDN <MOD>,<GRAPH>
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REPT 4
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JMP SHORT $+2
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ENDM
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ENDIF
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IFIDN <MOD>,<TEXT>
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REPT 2
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JMP SHORT $+2
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ENDM
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ENDIF
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ENDIF
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IFIDN <ACT>,<I-I>
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IFIDN <MOD>,<GRAPH>
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REPT 3
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JMP SHORT $+2
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ENDM
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ENDIF
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IFIDN <MOD>,<TEXT>
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JMP SHORT $+2
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ENDIF
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ENDIF
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IFIDN <ACT>,<O-I>
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IFIDN <MOD>,<GRAPH>
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REPT 4
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JMP SHORT $+2
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ENDM
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ENDIF
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IFIDN <MOD>,<TEXT>
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REPT 2
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JMP SHORT $+2
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ENDM
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ENDIF
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ENDIF
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IFIDN <ACT>,<I-O>
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IFIDN <MOD>,<GRAPH>
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REPT 3
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JMP SHORT $+2
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ENDM
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ENDIF
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IFIDN <MOD>,<TEXT>
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JMP SHORT $+2
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ENDIF
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ENDIF
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ENDIF
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IFIDN <DEV>,<7201>
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IFIDN <ACT>,<O-O>
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JMP SHORT $+2
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ENDIF
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IFIDN <ACT>,<O-I>
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JMP SHORT $+2
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ENDIF
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ENDIF
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IFIDN <DEV>,<7210>
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IFIDN <ACT>,<O-O>
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JMP SHORT $+2
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ENDIF
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IFIDN <ACT>,<O-I>
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JMP SHORT $+2
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ENDIF
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ENDIF
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IFIDN <DEV>,<4990>
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REPT 3
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JMP SHORT $+2
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ENDM
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ENDIF
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ENDM
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; dummy delay
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DELAY2 MACRO CNT
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local l1
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push cx
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mov cx, CNT
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l1:
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out 5fh, al
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loop l1
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pop cx
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ENDM
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endif ; NEC_98
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