Revert 2.0 interrupt code.

Author: jackgassett

hardware/zpuino/zpu/cores/zpuino/start.S

@@ -20,15 +20,17 @@ __executable_start:
 	poppc      
 
 .balign 4,0
-       .globl _Z14_zpu_interruptj
+       .globl _Z14_zpu_interruptv
 
 .type ___zpu_interrupt_vector,@function
 .globl ___zpu_interrupt_vector
 ___zpu_interrupt_vector:
-	loadsp 4
-	im _Z14_zpu_interruptj
+	im _memreg+0
+        load
+	im _Z14_zpu_interruptv
         call
-        storesp 0
+        im _memreg+0
+        store
         poppc
 .size ___zpu_interrupt_vector, . - ___zpu_interrupt_vector
 
@@ -46,12 +48,11 @@ _cpu_config:
         .weak _initIO
 _initIO:
 	poppc
-/*
+
 	.globl _Z14_zpu_interruptv
         .weak  _Z14_zpu_interruptv
 _Z14_zpu_interruptv:
 	poppc
-        */
         .weak _initIO
 .section ".vectors"
 

hardware/zpuino/zpu/cores/zpuino/zpuino.cpp

@@ -1,35 +1,5 @@
 #include "zpuino.h"
-#include "zpuino-types.h"
+
 #include "HardwareSerial.h"
 /* Most stuff is in zpuino-accel.S */
 
-#define ZPUINO_MAX_INTERRUPTS 16
-
-typedef void(*interrupt_type_t)(void);
-
-static interrupt_type_t itable[ZPUINO_MAX_INTERRUPTS]={0};
-
-void attachInterrupt(unsigned int line, void (*function)(void), int mode)
-{
-	if (line>=ZPUINO_MAX_INTERRUPTS)
-		return;
-	// cli();
-	itable[line] = function;
-	// sei();
-}
-void detachInterrupt(unsigned int line)
-{
-	// cli();
-	if (line>=ZPUINO_MAX_INTERRUPTS)
-		return;
-	itable[line] = 0;
-	// sei();
-}
-
-void _zpu_interrupt(unsigned int line)
-{
-	if (line>=ZPUINO_MAX_INTERRUPTS)
-		return;
-	if (itable[line])
-		itable[line]();
-}