// $RCSfile: asm.s,v $Revision: 1.4 $Date: 2005/03/11 15:08:57
//! Contains all assembler functions

#include "macro.h"
#include "def21020.h"

/*-------------------------------------------------------------------------------------------------------------
								isr0 (irq0)
---------------------------------------------------------------------------------------------------------------*/
.segment /pm seg_pmco;
.extern _KArgsP;
.extern _Hs_event;
.global _isr0;

/*---------------------------------------------------------------
   Funct description: this ISR handles the incoming IRQ0 and
   sets the event 51
---------------------------------------------------------------*/
_isr0:
		START_ISR;
		bit clr IMASK 0x0100;
		i4 = dm(_K_ArgsP);
		r2 = dm(_Hs_event);
		PRHI_STACK_PSH;
		ENDISR1;
.endseg;

/*-------------------------------------------------------------------------------------------------------------
								isr3 (irq3) VM
---------------------------------------------------------------------------------------------------------------*/
.segment /pm seg_pmco;
.extern _KArgsP;
.extern _send_HR_timer;
.global _irq3;

/*---------------------------------------------------------------
   Funct description: this ISR handles the incoming IRQ3 and
   calls the VM routine
---------------------------------------------------------------*/

_irq3:
		START_ISR;

// Da qui in poi:
//----> save extra CFREE reg
		r0=m4;
		dm(i7,m7)=r0;
		dm(i7,m7)=m12;
		dm(i7,m7)=i13;
//----> initialise argument list
		r4=123;
//----> call C funct
		r2=i6;			// hold old frame c tools man pg 4.9
		i6=i7;
		jump (PC,_vm) (db);
		dm(i7,m7)=r2;
		dm(i7,m7)=PC;
		// ret value in r0 (ignored
//----> pop extra CFREE reg
		i13=dm(1,i7);
		m12=dm(2,i7);
		m4=dm(3,i7);
		modify(i7,3);
//----> end isr
		ENDISR1;

		ENDISR1;
.endseg;