added VIA

added some more opcodes (SEI, CLI)

1 files changed, 16 insertions, 3 deletions

diff --git a/emu/6522.h b/emu/6522.h
index 853bd3e..d3bade7 100644
--- a/emu/6522.h
+++ b/emu/6522.h
@@ -16,8 +16,16 @@
 // the VIA is initialized with a base address, the addresses for
 // the registers are relative to this base.
 enum {
+	PORTB = 0x00,
 	PORTA = 0x01,
-	DDRA  = 0x03
+	DDRB  = 0x02,
+	DDRA  = 0x03,
+	T1LCL = 0x04,
+	T1LCH = 0x05,
+	ACR   = 0x0b,
+	PCR   = 0x0c,
+	IFR   = 0x0d,
+	IER   = 0x0e
 };
 
 typedef struct via_6522_t
@@ -27,14 +35,19 @@ typedef struct via_6522_t
 	uint16_t addr;
 	
 	uint8_t ddra;
+	uint8_t ddrb;
+	uint8_t pcr;
+	uint8_t ier;
 
 	bool debug;
 	
-	bus_t bus;
+	bus_t busa;
+	bus_t busb;
 } via_6522_t;
 
 void via_6522_init( via_6522_t *via, uint16_t addr, bool initialize );
-void via_6522_register( via_6522_t *via, device_t *device );
+void via_6522_reset( via_6522_t *via );
+void via_6522_register( via_6522_t *via, int bus, device_t *device );
 
 uint8_t via_6522_read( void *obj, uint16_t addr );
 void via_6522_write( void *obj, uint16_t addr, uint8_t data );