cia6526.c File Reference

#include "xemu/emutools.h"
#include "xemu/cia6526.h"

Include dependency graph for cia6526.c:

Go to the source code of this file.

Macros
#define	ICR_CHECK()
#define	ICR_SET(mask)
#define	ICR_CLEAR(mask)

Functions
void	cia_reset (struct Cia6526 *cia)
void	cia_flag (struct Cia6526 *cia)
void	cia_init (struct Cia6526 *cia, const char *name, void(*outa)(Uint8 data), void(*outb)(Uint8 data), void(*outsr)(Uint8 data), Uint8(*ina)(void), Uint8(*inb)(void), Uint8(*insr)(void), void(*setint)(int level))
Uint8	cia_read (struct Cia6526 *cia, int addr)
void	cia_write (struct Cia6526 *cia, int addr, Uint8 data)
void	cia_ugly_tod_updater (struct Cia6526 *cia, const struct tm *t, Uint8 sec10, int hour_offset)
void	cia_tick (struct Cia6526 *cia, int ticks)
void	cia_dump_state (struct Cia6526 *cia)

Macro Definition Documentation

ICR_CHECK

#define ICR_CHECK

(

)

Value:

        do { \
                if (cia->ICRmask & cia->ICRdata & 31) { \
                        cia->ICRdata |= 128; \
                        if (!cia->intLevel) { cia->intLevel = 1; cia->setint(1); DEBUG("%s IRQ to 1" NL, cia->name); } \
                } else { \
                        cia->ICRdata &= 127; \
                        if ( cia->intLevel) { cia->intLevel = 0; cia->setint(0); DEBUG("%s IRQ to 0" NL, cia->name); } \
                } \
        } while(0)

Definition at line 39 of file cia6526.c.

ICR_CLEAR

#define ICR_CLEAR

(

mask

)

Value:

        do { \
                cia->ICRdata &= 255 - (mask); \
                ICR_CHECK(); \
        } while(0)

Definition at line 55 of file cia6526.c.

ICR_SET

#define ICR_SET

(

mask

)

Value:

        do { \
                cia->ICRdata |= (mask) & 31; \
                DEBUG("%s ICR set to data $%02X, mask is $%02X" NL, cia->name, cia->ICRdata, cia->ICRmask); \
                ICR_CHECK(); \
        } while(0)

Definition at line 49 of file cia6526.c.

Function Documentation

cia_dump_state()

void cia_dump_state

(

struct Cia6526 *

cia

)

Definition at line 323 of file cia6526.c.

cia_flag()

void cia_flag

(

struct Cia6526 *

cia

)

Definition at line 82 of file cia6526.c.

cia_init()

void cia_init	(	struct Cia6526 *	cia,
		const char *	name,
		void(*)(Uint8 data)	outa,
		void(*)(Uint8 data)	outb,
		void(*)(Uint8 data)	outsr,
		Uint8(*)(void)	ina,
		Uint8(*)(void)	inb,
		Uint8(*)(void)	insr,
		void(*)(int level)	setint
	)

Definition at line 98 of file cia6526.c.

cia_read()

Uint8 cia_read	(	struct Cia6526 *	cia,
		int	addr
	)

Definition at line 121 of file cia6526.c.

cia_reset()

void cia_reset

(

struct Cia6526 *

cia

)

Definition at line 63 of file cia6526.c.

cia_tick()

void cia_tick	(	struct Cia6526 *	cia,
		int	ticks
	)

Definition at line 281 of file cia6526.c.

cia_ugly_tod_updater()

void cia_ugly_tod_updater	(	struct Cia6526 *	cia,
		const struct tm *	t,
		Uint8	sec10,
		int	hour_offset
	)

Definition at line 270 of file cia6526.c.

cia_write()

void cia_write	(	struct Cia6526 *	cia,
		int	addr,
		Uint8	data
	)

Definition at line 169 of file cia6526.c.