--- M6502/M6502.xs	2007/08/01 22:01:15	84
+++ M6502/M6502.xs	2007/08/02 11:08:10	87
@@ -8,11 +8,50 @@
 #include "config.h"
 
 M6502 *R;
+int debug = 0;
 
-void
-run (void) {
-	debugf(("M6502::run"));
-	run_forever();
+void update_C_R(void) {
+	R->A = SvIV( get_sv("M6502::A", FALSE) );
+	R->P = SvIV( get_sv("M6502::P", FALSE) );
+	R->X = SvIV( get_sv("M6502::X", FALSE) );
+	R->Y = SvIV( get_sv("M6502::Y", FALSE) );
+	R->S = SvIV( get_sv("M6502::S", FALSE) );
+	R->PC.W = SvIV( get_sv("M6502::PC", FALSE) );
+	R->IPeriod = SvIV( get_sv("M6502::IPeriod", FALSE) );
+	R->IRequest = SvIV( get_sv("M6502::IRequest", FALSE) );
+	R->IAutoReset = SvIV( get_sv("M6502::IAutoReset", FALSE) );
+	R->TrapBadOps = SvIV( get_sv("M6502::TrapBadOps", FALSE) );
+	R->Trap = SvIV( get_sv("M6502::Trap", FALSE) );
+	R->Trace = SvIV( get_sv("M6502::Trace", FALSE) );
+	debugf(("pull_R finished"));
+	dump_R;
+}
+
+void update_perl_R(void) {
+	debugf(("update_perl_R"));
+	dSP;
+	ENTER;
+	SAVETMPS;
+	PUSHMARK(SP);
+	XPUSHs( sv_2mortal( newSViv( R->A ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->P ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->X ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->Y ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->S ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->PC.W ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->IPeriod ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->ICount ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->IRequest ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->IAutoReset ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->TrapBadOps ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->Trap ) ) );
+	XPUSHs( sv_2mortal( newSViv( R->Trace ) ) );
+	PUTBACK;
+	call_pv("M6502::_update_perl_R", G_DISCARD );
+	debugf(("_update_perl_R returned to C"));
+	dump_R;
+	FREETMPS;
+	LEAVE;
 }
 
 int
@@ -22,22 +61,42 @@
 		debugf(("allocating space for R"));
 		R = malloc(sizeof(M6502));
 		if (!R) {
-			printf("can't alloc %d bytes for M6502", sizeof(M6502));
+			PerlIO_stderrf("can't alloc %d bytes for M6502", sizeof(M6502));
 			exit(1);
 		}
 	}
 	Reset6502(R);
 	debugf(("Reset6502 over"));
+	update_perl_R();
 	dump_R;
 	return 1;
 }
 
+int set_debug(int state) {
+	debug = state;
+	return debug;
+}
+
+int get_debug(void) {
+	return debug;
+}
+
 MODULE = M6502		PACKAGE = M6502
 
 PROTOTYPES: DISABLE
 
-void
-run()
+int
+set_debug(int state)
+
+int
+get_debug()
 
 int
 reset()
+
+void
+update_C_R()
+
+void
+update_perl_R()
+