PA_Interrupt.h

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00001 #ifndef _PA_Interrupt
00002 #define _PA_Interrupt
00003 
00004 #ifdef __cplusplus
00005 extern "C" {
00006 #endif
00007 
00014 typedef void(*funcpointer)(void);
00015 
00016 extern volatile bool PA_Newframe;
00017 
00018 extern volatile bool PA_vblok; // Passe à 1 quand VBL activé...
00019 
00020 
00021 extern u32 PA_CPU; // Pourcentage CPU...
00022 extern u32 PA_MaxCPU; // Max CPU...
00023 extern u32 PA_lines; // Nombre de lignes, pour faire le calcul...
00024 extern u8 PA_VBLCount; // Compte le nombre de VBL avant qu'on en arrive à un tour
00025 extern u8 PA_nVBLs;
00026 
00027 
00028 
00029 //Interrupt Registers
00030 #ifndef REG_IME
00031        #define REG_IME *(u32*)0x04000208
00032 #endif
00033 #ifndef REG_IE
00034 #define REG_IE *(u32*)0x04000210
00035 #endif
00036 #ifndef REG_IF
00037 #define REG_IF *(u32*)0x04000214
00038 #endif
00039 
00040 
00041 #define REG_INTERRUPT IRQ_HANDLER //*(u32*)0x3007FFC
00042 #define REG_DISPSTAT DISP_SR //*(u16*)0x4000004
00043 
00044 
00045 #define REG_VCOUNT _REG16(0x04000006)
00046 
00047 // Interrupts
00048 #define INTVBLANK 0x0001
00049 #define INTHBLANK 0x0002
00050 #define INTVCOUNT 0x0004
00051 #define INTTIMER0 0x0008
00052 #define INTTIMER1 0x0010
00053 #define INTTIMER2 0x0020
00054 #define INTTIMER3 0x0040
00055 #define INTCOM 0x0080
00056 #define INTDMA0 0x0100
00057 #define INTDMA1 0x0200
00058 #define INTDMA2 0x0400
00059 #define INTDMA3 0x0800
00060 #define INTBUTTON 0x1000
00061 #define INTCART 0x2000
00062 
00063 #define INT_VBLANK 0
00064 #define INT_HBLANK 1
00065 #define INT_VCOUNT 2
00066 #define INT_TIMER0 3
00067 #define INT_TIMER1 4
00068 #define INT_TIMER2 5
00069 #define INT_TIMER3 6
00070 #define INT_COM 7
00071 #define INT_DMA0 8
00072 #define INT_DMA1 9
00073 #define INT_DMA2 10
00074 #define INT_DMA3 11
00075 #define INT_KEY 12
00076 #define INT_CART 13
00077 
00078 #define ENABLE_VBLANK 8
00079 #define ENABLE_HBLANK 16
00080 #define ENABLE_VCOUNT 32
00081 
00082 
00083 // Pour activer les timers, que pour moi...
00084 // TIMER O
00085 #define TIMER0COUNT         *(volatile u16 *)(0x04000100)
00086 #define TIMER0CNT           *(volatile u16 *)(0x04000102)
00087 #define TIMER0CNT_TIMER_START               (TIMER0CNT |= 0x0080)
00088 #define TIMER0CNT_IRQ_ENABLE                (TIMER0CNT |= 0x0040)
00089 #define PA_EnableTimer0() {TIMER0CNT_TIMER_START; TIMER0CNT_IRQ_ENABLE;}
00090 
00091 #define TIMER0CNT_TIMER_STOP                (TIMER0CNT &= 0xFF7F)
00092 #define TIMER0CNT_IRQ_DISABLE               (TIMER0CNT &= 0xFFBF)
00093 #define PA_DisableTimer0() {TIMER0CNT_TIMER_STOP; TIMER0CNT_IRQ_DISABLE;}
00094 
00095 // TIMER 1
00096 #define TIMER1COUNT         *(volatile u16 *)(0x04000104)
00097 #define TIMER1CNT           *(volatile u16 *)(0x04000106)
00098 #define TIMER1CNT_TIMER_START               (TIMER1CNT |= 0x0080)
00099 #define TIMER1CNT_IRQ_ENABLE                (TIMER1CNT |= 0x0040)
00100 #define PA_EnableTimer1() {TIMER1CNT_TIMER_START; TIMER1CNT_IRQ_ENABLE;}
00101 
00102 #define TIMER1CNT_TIMER_STOP                (TIMER1CNT &= 0xFF7F)
00103 #define TIMER1CNT_IRQ_DISABLE               (TIMER1CNT &= 0xFFBF)
00104 #define PA_DisableTimer1() {TIMER1CNT_TIMER_STOP; TIMER1CNT_IRQ_DISABLE;}
00105 
00106 // TIMER 2
00107 #define TIMER2COUNT         *(volatile u16 *)(0x04000108)
00108 #define TIMER2CNT           *(volatile u16 *)(0x0400010A)
00109 #define TIMER2CNT_TIMER_START               (TIMER2CNT |= 0x0080)
00110 #define TIMER2CNT_IRQ_ENABLE                (TIMER2CNT |= 0x0040)
00111 #define PA_EnableTimer2() {TIMER2CNT_TIMER_START; TIMER2CNT_IRQ_ENABLE;}
00112 
00113 #define TIMER2CNT_TIMER_STOP                (TIMER2CNT &= 0xFF7F)
00114 #define TIMER2CNT_IRQ_DISABLE               (TIMER2CNT &= 0xFFBF)
00115 #define PA_DisableTimer2() {TIMER2CNT_TIMER_STOP; TIMER2CNT_IRQ_DISABLE;}
00116 
00117 // TIMER 3
00118 #define TIMER3COUNT         *(volatile u16 *)(0x0400010C)
00119 #define TIMER3CNT           *(volatile u16 *)(0x0400010E)
00120 #define TIMER3CNT_TIMER_START               (TIMER3CNT |= 0x0080)
00121 #define TIMER3CNT_IRQ_ENABLE                (TIMER3CNT |= 0x0040)
00122 #define PA_EnableTimer3() {TIMER3CNT_TIMER_START; TIMER3CNT_IRQ_ENABLE;}
00123 
00124 #define TIMER3CNT_TIMER_STOP                (TIMER3CNT &= 0xFF7F)
00125 #define TIMER3CNT_IRQ_DISABLE               (TIMER3CNT &= 0xFFBF)
00126 #define PA_DisableTimer3() {TIMER3CNT_TIMER_STOP; TIMER3CNT_IRQ_DISABLE;}
00127 
00128 
00129 
00130 
00131 extern funcpointer interruptfunc[14];
00132 
00133 
00134 void interruptfunction(void);
00135 
00149 #define PA_InitVBL() PA_StartInt(INT_VBLANK, PA_vblFunc)
00150 
00157 void PA_ResetInterrupts(void);
00158 
00172 void PA_StartInt(u8 inter, funcpointer interfunc);
00173 
00174 
00183 void PA_StopInt(u8 inter);
00184 
00185 
00191 #define PA_GetVcount() (REG_VCOUNT&511)
00192 
00198 void PA_vblFunc(void);
00199  // end of Interrupts
00201 
00202 #ifdef __cplusplus
00203 }
00204 #endif
00205 #endif
00206 
00207 

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