68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
#ifndef EMU_LPT_H
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# define EMU_LPT_H
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typedef struct
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{
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const char *name;
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void * (*init)(void *lpt);
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void (*close)(void *p);
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void (*write_data)(uint8_t val, void *p);
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void (*write_ctrl)(uint8_t val, void *p);
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uint8_t (*read_data)(void *p);
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uint8_t (*read_status)(void *p);
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uint8_t (*read_ctrl)(void *p);
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} lpt_device_t;
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extern void lpt_init(void);
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extern void lpt_port_init(int i, uint16_t port);
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extern void lpt_port_irq(int i, uint8_t irq);
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extern void lpt_port_remove(int i);
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extern void lpt1_remove_ams(void);
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#define lpt1_init(a) lpt_port_init(0, a)
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#define lpt1_irq(a) lpt_port_irq(0, a)
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#define lpt1_remove() lpt_port_remove(0)
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#define lpt2_init(a) lpt_port_init(1, a)
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#define lpt2_irq(a) lpt_port_irq(1, a)
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#define lpt2_remove() lpt_port_remove(1)
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#define lpt3_init(a) lpt_port_init(2, a)
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#define lpt3_irq(a) lpt_port_irq(2, a)
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#define lpt3_remove() lpt_port_remove(2)
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void lpt_devices_init(void);
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void lpt_devices_close(void);
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typedef struct {
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uint8_t enabled, irq,
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dat, ctrl;
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uint16_t addr, pad0;
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int device, enable_irq;
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lpt_device_t * dt;
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void * priv;
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} lpt_port_t;
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extern lpt_port_t lpt_ports[3];
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extern void lpt_write(uint16_t port, uint8_t val, void *priv);
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extern uint8_t lpt_read(uint16_t port, void *priv);
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extern void lpt_irq(void *priv, int raise);
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extern char * lpt_device_get_name(int id);
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extern char * lpt_device_get_internal_name(int id);
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extern int lpt_device_get_from_internal_name(char *s);
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extern const lpt_device_t lpt_dac_device;
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extern const lpt_device_t lpt_dac_stereo_device;
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extern const lpt_device_t dss_device;
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extern const lpt_device_t lpt_hasp_savquest_device;
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#endif /*EMU_LPT_H*/
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