X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Finterrupts.c;fp=betty%2Finterrupts.c;h=db2061dd433f66c0a378bfe4c76e4672b9f081d7;hp=49ea0cdc488a81017170096921be0bea8aee2481;hb=945d83a31473b984473f571bb92486991d14aa16;hpb=8438a1cbb553b50e19a075620fff84b636fcc5f2

diff --git a/betty/interrupts.c b/betty/interrupts.c
index 49ea0cd..db2061d 100644
--- a/betty/interrupts.c
+++ b/betty/interrupts.c
@@ -6,6 +6,7 @@
  */
 
 #include "interrupts.h"
+#include "functions.h"
 
 // 'module global' interrupt variable
 static t_interrupt interrupt;
@@ -16,9 +17,9 @@ static t_interrupt interrupt;
 
 void interrupt_init(void) {
 
-	memset(&interrupt,0,sizeof(t_interrupt));
-	VICSoftIntClear=0xff;
-	VICIntEnClear=0xff;
+	interrupt.default_soft_callback=0;
+	VICSoftIntClr=0xffffffff;
+	VICIntEnClr=0xffffffff;
 	VICDefVectAddr=0;
 }
 
@@ -29,12 +30,12 @@ void interrupt_set_default_callback(u32 callback_addr) {
 
 void interrupt_set_soft_callback(void (*callback)(void)) {
 
-	interrupt->default_soft_callback=callback;
+	interrupt.default_soft_callback=callback;
 }
 
 void interrupt_soft_clear(u8 src_number) {
 
-	VICSoftIntClear=(1<<src_number);
+	VICSoftIntClr=(1<<src_number);
 }
 void interrupt_clear(u8 src_number) {
 
@@ -42,14 +43,14 @@ void interrupt_clear(u8 src_number) {
 	u32 *addr;
 	u32 *cntl;
 
-	VICIntEnClear=(1<<src_number);
+	VICIntEnClr=(1<<src_number);
 	VICIntSelect&=~(1<<src_number);
 
-	addr=&VICVectAddr0;
-	cntl=&VICVectCntl0;
+	addr=(u32 *)&VICVectAddr0;
+	cntl=(u32 *)&VICVectCntl0;
 
 	for(cnt=0;cnt<INTERRUPT_MAX_VIC;cnt++) {
-		if(cntl[cnt]&0x1f==src_number) {
+		if((cntl[cnt]&0x1f)==src_number) {
 			*((volatile u32 *)(addr+cnt))=0;
 			*((volatile u32 *)(cntl+cnt))=0;
 		}
@@ -66,29 +67,31 @@ int interrupt_enable(u8 src_number,u8 mode,u8 priority,u32 callback_addr) {
 	u32 *addr;
 	u32 *cntl;
 
-	addr=&VICVectAddr0;
-	cntl=&VICVectCntl0;
+	addr=(u32 *)&VICVectAddr0;
+	cntl=(u32 *)&VICVectCntl0;
 
 	/* check whether this ir source is allready assigned */
 	if(VICIntEnable&(1<<src_number))
 		return INTERRUPT_USED;
 
-	/* force interrupt */
-	VICIntEnable=(1<<src_number);
-
+	/* prepare depending on mode */
 	switch(mode) {
 		case INTERRUPT_MODE_FIQ:
 			VICIntSelect|=(1<<src_number);
 			break;
 		case INTERRUPT_MODE_VIRQ:
-			if(addr[p]&0x3f)
-				return INTERRUP_PRIORITY_USED;
-			*((volatile u32 *)(addr+p))=callback_addr;
-			*((volatile u32 *)(cntl+p))=src_number&0x1f+(1<<5);
+			if(addr[priority]&0x3f)
+				return INTERRUPT_PRIORITY_USED;
+			*((volatile u32 *)(addr+priority))=callback_addr;
+			*((volatile u32 *)(cntl+priority))=(src_number&0x1f)+0x20;
 		case INTERRUPT_MODE_IRQ:
-		case default:
+		default:
+			break;
 	}
 
+	/* force interrupt */
+	VICIntEnable=(1<<src_number);
+
 	return INTERRUPT_SET;
 }