Changed version to 1.10;

Applied mainline PCem commit that adds MFM hard disk emulation;
Commented out the Commodore PC III 60.
This commit is contained in:
OBattler
2017-03-15 01:37:09 +01:00
parent 2e193fdbac
commit 8452458c1a
20 changed files with 1177 additions and 290 deletions

View File

@@ -1,20 +1,26 @@
/* Copyright holders: Sarah Walker
see COPYING for more details
*/
#include "ibm.h"
#include "device.h"
#include "io.h"
#include "ide.h"
#include "mem.h"
#include "rom.h"
#include "xtide.h"
uint8_t xtide_high;
void xtide_write(uint16_t port, uint8_t val, void *priv)
typedef struct xtide_t
{
uint8_t data_high;
rom_t bios_rom;
} xtide_t;
static void xtide_write(uint16_t port, uint8_t val, void *p)
{
xtide_t *xtide = (xtide_t *)p;
switch (port & 0xf)
{
case 0x0:
writeidew(0, val | (xtide_high << 8));
writeidew(0, val | (xtide->data_high << 8));
return;
case 0x1: case 0x2: case 0x3:
@@ -23,7 +29,7 @@ void xtide_write(uint16_t port, uint8_t val, void *priv)
return;
case 0x8:
xtide_high = val;
xtide->data_high = val;
return;
case 0xe:
@@ -32,14 +38,16 @@ void xtide_write(uint16_t port, uint8_t val, void *priv)
}
}
uint8_t xtide_read(uint16_t port, void *priv)
static uint8_t xtide_read(uint16_t port, void *p)
{
xtide_t *xtide = (xtide_t *)p;
uint16_t tempw;
switch (port & 0xf)
{
case 0x0:
tempw = readidew(0);
xtide_high = tempw >> 8;
xtide->data_high = tempw >> 8;
return tempw & 0xff;
case 0x1: case 0x2: case 0x3:
@@ -47,15 +55,76 @@ uint8_t xtide_read(uint16_t port, void *priv)
return readide(0, (port & 0xf) | 0x1f0);
case 0x8:
return xtide_high;
return xtide->data_high;
case 0xe:
return readide(0, 0x3f6);
}
}
void xtide_init()
static void *xtide_init()
{
xtide_t *xtide = malloc(sizeof(xtide_t));
memset(xtide, 0, sizeof(xtide_t));
rom_init(&xtide->bios_rom, "roms/ide_xt.bin", 0xc8000, 0x4000, 0x3fff, 0, MEM_MAPPING_EXTERNAL);
ide_init();
io_sethandler(0x0300, 0x0010, xtide_read, NULL, NULL, xtide_write, NULL, NULL, NULL);
ide_pri_disable();
ide_sec_disable();
io_sethandler(0x0300, 0x0010, xtide_read, NULL, NULL, xtide_write, NULL, NULL, xtide);
return xtide;
}
static void *xtide_at_init()
{
xtide_t *xtide = malloc(sizeof(xtide_t));
memset(xtide, 0, sizeof(xtide_t));
rom_init(&xtide->bios_rom, "roms/ide_at.bin", 0xc8000, 0x4000, 0x3fff, 0, MEM_MAPPING_EXTERNAL);
ide_init();
return xtide;
}
static void xtide_close(void *p)
{
xtide_t *xtide = (xtide_t *)p;
free(xtide);
}
static int xtide_available()
{
return rom_present("roms/ide_xt.bin");
}
static int xtide_at_available()
{
return rom_present("roms/ide_at.bin");
}
device_t xtide_device =
{
"XTIDE",
0,
xtide_init,
xtide_close,
xtide_available,
NULL,
NULL,
NULL,
NULL
};
device_t xtide_at_device =
{
"XTIDE (AT)",
DEVICE_AT,
xtide_at_init,
xtide_close,
xtide_at_available,
NULL,
NULL,
NULL,
NULL
};