ioequ.inc

利用386保护模式将DOS实模式下的PC总线I/O操作（in/out）实时捕捉到内存并可以显示在屏幕上。可用于ISA/VESA/PCI插卡及相关软件的输入/输出调试、I/O性能/行为分析和反汇编。Ve

;---------------------------------------------------------------    
;ioequ.inc - equates for I/O Monitor                           |
;--------------------------------------------------------------|
;
NULL            EQU     0
TRUE            EQU     -1
FALSE           EQU     NOT TRUE
BUF_SIZE        EQU     16384			; must be multiple of KB
DOS_PRT_STRING  EQU     9  
DOS_TSR_FUNC    EQU     31h
OK              EQU     0
BEEP            EQU     7
CR              EQU     13
LF              EQU     10
TAB             EQU     9

PRESENT         EQU     80H
DPL0            EQU     0
DPL3            EQU     3
INT_GATE        EQU     0eh             ;80386 int gate
USER_INT        EQU     61h
RW_DATA         EQU     92h             ;read/write data
ER_CODE         EQU     9ah             ;execute/read code
TSS_DESC        EQU     89h             ;Task State Segment descriptor
IO_MAP_SIZE     EQU     8192
TRAP_FLAG       EQU     100h            ;bits in eflags
INT_FLAG        EQU     200h
NT_FLAG         EQU     4000h
GEN_PROT_EXCEP  EQU     0dh             ;General Protection int number

INPUT           EQU     0               ;used in io_table to describe
OUTPUT          EQU     10h             ;the various I/O instructions
ABYTE           EQU     1
AWORD           EQU     2
CONSTANT        EQU     8

PORT_OUTPUT	EQU	8000h		; MSB of address: out - 1; in - 0
PORT_BYTE	EQU	4000h		; Address bit 15: word - 1; byte - 0
PORT_INVALID	EQU	-1		; Initial data (marked as empty)
PORT_REPEAT	EQU	-2		; Repeat data (data = repeat count)

INT_OPCODE      EQU     0cdh
INT3_OPCODE     EQU     0cch
VID_PAGE_SIZE   EQU     4000
EXPECT_INT1     EQU     1
;------end of ioequ.inc