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Preliminary PCjr emulation.

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Improvements to PIT and serial emulation.
This commit is contained in:
TomW 2014-01-12 11:37:09 +00:00
commit f18f10574a
27 changed files with 1659 additions and 377 deletions
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21
src/serial.h
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@ -1,18 +1,23 @@
void serial1_init(uint16_t addr);
void serial2_init(uint16_t addr);
void serial1_init(uint16_t addr, int irq);
void serial2_init(uint16_t addr, int irq);
void serial1_remove();
void serial2_remove();
void serial_reset();
struct SERIAL;
typedef struct
{
uint8_t linestat,thr,mctrl,rcr,iir,ier,lcr;
uint8_t lsr,thr,mctrl,rcr,iir,ier,lcr,msr;
uint8_t dlab1,dlab2;
uint8_t dat;
uint8_t int_status;
int irq;
void (*rcr_callback)(void *p);
uint8_t fifo[256];
int fifo_read, fifo_write;
} SERIAL;
extern SERIAL serial,serial2;
extern int serial_fifo_read, serial_fifo_write;
extern void (*serial_rcr)();
extern SERIAL serial1, serial2;