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The EuroPC now uses a NVR file;

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The EuroPC now includes a LPT3 port.
This commit is contained in:
OBattler
2017-08-16 02:33:25 +02:00
parent b9c749066d
commit d4f4a781cf
3 changed files with 47 additions and 4 deletions
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46
src/lpt.c
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@@ -6,8 +6,8 @@
#include "lpt.h"
static uint8_t lpt1_dat, lpt2_dat;
static uint8_t lpt1_ctrl, lpt2_ctrl;
static uint8_t lpt1_dat, lpt2_dat, lpt3_dat;
static uint8_t lpt1_ctrl, lpt2_ctrl, lpt3_ctrl;
void lpt1_write(uint16_t port, uint8_t val, void *priv)
{
@@ -57,7 +57,31 @@ uint8_t lpt2_read(uint16_t port, void *priv)
return 0xff;
}
uint16_t lpt_addr[2] = { 0x378, 0x278 };
void lpt3_write(uint16_t port, uint8_t val, void *priv)
{
switch (port & 3)
{
case 0:
lpt3_dat = val;
break;
case 2:
lpt3_ctrl = val;
break;
}
}
uint8_t lpt3_read(uint16_t port, void *priv)
{
switch (port & 3)
{
case 0:
return lpt3_dat;
case 2:
return lpt3_ctrl;
}
return 0xff;
}
uint16_t lpt_addr[3] = { 0x378, 0x278, 0x3bc };
void lpt_init()
{
@@ -108,3 +132,19 @@ void lpt2_remove_ams()
io_removehandler(0x0379, 0x0002, lpt2_read, NULL, NULL, lpt2_write, NULL, NULL, NULL);
}
}
void lpt3_init(uint16_t port)
{
if (lpt_enabled)
{
io_sethandler(port, 0x0003, lpt3_read, NULL, NULL, lpt3_write, NULL, NULL, NULL);
lpt_addr[2] = port;
}
}
void lpt3_remove()
{
if (lpt_enabled)
{
io_removehandler(lpt_addr[2], 0x0003, lpt3_read, NULL, NULL, lpt3_write, NULL, NULL, NULL);
}
}