only go into usermode in the interrupt test... still sorting out the

best way to handle this.

src/start.S

@@ -119,7 +119,6 @@ _begin:
 
 	bl _rom_data_init+.-base
 	msr     cpsr_c,#(SVC_MODE) // turn on interrupts --- for debug only	
- 	msr     cpsr_c,#(USR_MODE) // turn on interrupts --- for debug only
 //	swi
 	b main
 	

tests/tmr-ints.c

@@ -122,6 +122,10 @@ void main(void) {
 
 //	enIRQ();
 
+	/* go into user mode to handle IRQs */
+	/* disabling interrupts is now difficult */
+ 	asm("msr     cpsr_c,#(0x10)");
+
 	while(1) {
 		/* sit here and let the interrupts do the work */
 	};