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Preliminary PCjr emulation.

Browse source 
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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33
src/mouse_serial.c
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@ -10,7 +10,8 @@ void mouse_serial_poll(int x, int y, int b)
{
uint8_t mousedat[3];
if (!(serial.ier&1)) return;
if (!(serial1.ier & 1))
return;
if (!x && !y && b==oldb) return;
oldb=b;
@ -28,42 +29,44 @@ void mouse_serial_poll(int x, int y, int b)
mousedat[1]=x&0x3F;
mousedat[2]=y&0x3F;
if (!(serial.mctrl&0x10))
if (!(serial1.mctrl&0x10))
{
serial_write_fifo(mousedat[0]);
serial_write_fifo(mousedat[1]);
serial_write_fifo(mousedat[2]);
pclog("Serial data %02X %02X %02X\n", mousedat[0], mousedat[1], mousedat[2]);
serial_write_fifo(&serial1, mousedat[0]);
serial_write_fifo(&serial1, mousedat[1]);
serial_write_fifo(&serial1, mousedat[2]);
}
}
void mouse_serial_rcr()
void mouse_serial_rcr(void *p)
{
mousepos=-1;
mousedelay=5000 * (1 << TIMER_SHIFT);
}
void mousecallback()
void mousecallback(void *p)
{
SERIAL *serial = (SERIAL *)p;
mousedelay = 0;
if (mousepos == -1)
{
mousepos = 0;
serial_fifo_read = serial_fifo_write = 0;
serial.linestat &= ~1;
serial_write_fifo('M');
/* serial_fifo_read = serial_fifo_write = 0;
serial.lsr &= ~1;*/
serial_write_fifo(serial, 'M');
}
else if (serial_fifo_read != serial_fifo_write)
/* else if (serial_fifo_read != serial_fifo_write)
{
serial.iir=4;
serial.linestat|=1;
serial.lsr|=1;
if (serial.mctrl&8) picint(0x10);
}
}*/
}
void mouse_serial_init()
{
mouse_poll = mouse_serial_poll;
serial_rcr = mouse_serial_rcr;
timer_add(mousecallback, &mousedelay, &mousedelay, NULL);
serial1.rcr_callback = mouse_serial_rcr;
timer_add(mousecallback, &mousedelay, &mousedelay, &serial1);
}