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- new IRQ signal handling prepared

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This commit is contained in:
Volker Ruppert 2002-01-26 12:03:10 +00:00
parent 7aac4bfb3d
commit 6461cb2ab9
1 changed files with 5 additions and 2 deletions
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7
bochs/iodev/pic.h
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@ -1,8 +1,8 @@
/////////////////////////////////////////////////////////////////////////
// $Id: pic.h,v 1.4 2001-10-03 13:10:38 bdenney Exp $
// $Id: pic.h,v 1.5 2002-01-26 12:03:10 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
// Copyright (C) 2002 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
@ -53,6 +53,7 @@ typedef struct {
Bit8u read_reg_select; /* 0=IRR, 1=ISR */
Bit8u irq; /* current IRQ number */
Boolean INT; /* INT request pin of PIC */
Boolean IRQ_line[8]; /* IRQ pins of PIC */
struct {
Boolean in_init;
Boolean requires_4;
@ -68,6 +69,8 @@ public:
bx_pic_c(void);
~bx_pic_c(void);
BX_PIC_SMF void init(bx_devices_c *);
BX_PIC_SMF void lower_irq(unsigned irq_no);
BX_PIC_SMF void raise_irq(unsigned irq_no);
BX_PIC_SMF void trigger_irq(unsigned irq_no);
BX_PIC_SMF void untrigger_irq(unsigned irq_no);
BX_PIC_SMF Bit8u IAC(void);