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[virtualjaguar] / src / jerry.h
1 //
2 // JERRY.H: Header file
3 //
4
5 #ifndef __JERRY_H__
6 #define __JERRY_H__
7
8 #include "types.h"
9
10 void JERRYInit(void);
11 void JERRYReset(void);
12 void JERRYDone(void);
13
14 uint8 JERRYReadByte(uint32 offset, uint32 who = UNKNOWN);
15 uint16 JERRYReadWord(uint32 offset, uint32 who = UNKNOWN);
16 void JERRYWriteByte(uint32 offset, uint8 data, uint32 who = UNKNOWN);
17 void JERRYWriteWord(uint32 offset, uint16 data, uint32 who = UNKNOWN);
18
19 void JERRYExecPIT(uint32 cycles);
20 void JERRYI2SExec(uint32 cycles);
21
22 // 68000 Interrupt bit positions (enabled at $F10020)
23
24 enum { IRQ2_EXTERNAL = 0, IRQ2_DSP, IRQ2_TIMER1, IRQ2_TIMER2, IRQ2_ASI, IRQ2_SSI };
25
26 bool JERRYIRQEnabled(int irq);
27 void JERRYSetPendingIRQ(int irq);
28
29 // This should stay inside this file, but it's here for now...
30 // Need to set up an interface function so that this can go back
31 void JERRYI2SCallback(void);
32
33 // External variables
34
35 extern uint32 JERRYI2SInterruptDivide;
36 extern int32 JERRYI2SInterruptTimer;
37
38 #endif