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Initial submission of the PCem-Experimental source code.

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OBattler
2016-06-26 00:34:39 +02:00
parent 09d7c4384f
commit fd2a5bc9f5
610 changed files with 184352 additions and 0 deletions
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src/lpt.c Normal file
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#include "ibm.h"
#include "io.h"
#include "lpt.h"
static uint8_t lpt1_dat, lpt2_dat;
static uint8_t lpt1_ctrl, lpt2_ctrl;
void lpt1_write(uint16_t port, uint8_t val, void *priv)
{
switch (port & 3)
{
case 0:
writedac(val);
lpt1_dat = val;
break;
case 2:
writedacctrl(val);
lpt1_ctrl = val;
break;
}
}
uint8_t lpt1_read(uint16_t port, void *priv)
{
switch (port & 3)
{
case 0:
return lpt1_dat;
case 1:
return readdacfifo();
case 2:
return lpt1_ctrl;
}
return 0xff;
}
void lpt2_write(uint16_t port, uint8_t val, void *priv)
{
switch (port & 3)
{
case 0:
writedac(val);
lpt2_dat = val;
break;
case 2:
writedacctrl(val);
lpt2_ctrl = val;
break;
}
}
uint8_t lpt2_read(uint16_t port, void *priv)
{
switch (port & 3)
{
case 0:
return lpt2_dat;
case 1:
return readdacfifo();
case 2:
return lpt2_ctrl;
}
return 0xff;
}
void lpt_init()
{
io_sethandler(0x0378, 0x0003, lpt1_read, NULL, NULL, lpt1_write, NULL, NULL, NULL);
io_sethandler(0x0278, 0x0003, lpt2_read, NULL, NULL, lpt2_write, NULL, NULL, NULL);
}
void lpt1_init(uint16_t port)
{
io_sethandler(port, 0x0003, lpt1_read, NULL, NULL, lpt1_write, NULL, NULL, NULL);
}
void lpt1_remove()
{
io_removehandler(0x0278, 0x0003, lpt1_read, NULL, NULL, lpt1_write, NULL, NULL, NULL);
io_removehandler(0x0378, 0x0003, lpt1_read, NULL, NULL, lpt1_write, NULL, NULL, NULL);
io_removehandler(0x03bc, 0x0003, lpt1_read, NULL, NULL, lpt1_write, NULL, NULL, NULL);
}
void lpt2_init(uint16_t port)
{
io_sethandler(port, 0x0003, lpt2_read, NULL, NULL, lpt2_write, NULL, NULL, NULL);
}
void lpt2_remove()
{
io_removehandler(0x0278, 0x0003, lpt2_read, NULL, NULL, lpt2_write, NULL, NULL, NULL);
io_removehandler(0x0378, 0x0003, lpt2_read, NULL, NULL, lpt2_write, NULL, NULL, NULL);
io_removehandler(0x03bc, 0x0003, lpt2_read, NULL, NULL, lpt2_write, NULL, NULL, NULL);
}
void lpt2_remove_ams()
{
io_removehandler(0x0379, 0x0002, lpt2_read, NULL, NULL, lpt2_write, NULL, NULL, NULL);
}