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Greenleaf Comm Library

;
; _IRQ88.EQU        5.20A  June 8, 1995
;
; The Greenleaf Comm Library
;
; Copyright (C) 1984-94 Greenleaf Software Inc.  All Rights Reserved.
;
; NOTES
;
;  This file contains all the structures and constants used by the
;  IRQ manager.  This is all private stuff and end users should not
;  ever have to include it.
;
; MODIFICATIONS
;
;  December 12, 1992  4.00A : Initial release
;  December 1, 1994   5.10A : We split the IRQ manager into three pieces.
;                             This header file is used for the piece that
;                             manages IRQs for real mode DOS programs.
;

MAXIMUM_HANDLERS        EQU     10

irqdata                 STRUC
old_handler             DD      0
old_real_handler        DD      0
handler                 DD      0
real_handler            DD      0

ifndef   VGFD
handler_data            DD      0
else
handler_data            DD      0
handler_data_V86        DD      0
endif

real_handler_data       DD      0
tear_down_function      DD      0
interrupt_number        DW      0
saved_8259_bit          DW      0
primary_8259            DW      0
secondary_8259          DW      0
mask_8259               DW      0
int_count               DW      0
real_int_count          DW      0

ifdef   VGFD
task_handle_irq         DW      0       ;VGFD task handle
vm_id_irq               DW      0       ;VGFD VM id
endif

irqdata                 ENDS

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