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-rw-r--r--emulators/pcemu/files/patch-d1-dyndisks309
1 files changed, 309 insertions, 0 deletions
diff --git a/emulators/pcemu/files/patch-d1-dyndisks b/emulators/pcemu/files/patch-d1-dyndisks
new file mode 100644
index 000000000000..04f63d94a81f
--- /dev/null
+++ b/emulators/pcemu/files/patch-d1-dyndisks
@@ -0,0 +1,309 @@
+--- bios.h.orig Wed Jun 22 16:24:50 1994
++++ bios.h Mon Feb 21 22:34:26 2000
+@@ -22,6 +22,28 @@
+
+ #define BOOT
+
++#if defined(BOOT720)
++# define BOOTSECTORS 9
++# define BOOTTRACKS 80
++#elif defined(BOOT1_44)
++# define BOOTSECTORS 18
++# define BOOTTRACKS 80
++#elif defined(BOOT1_2)
++# define BOOTSECTORS 15
++# define BOOTTRACKS 80
++#elif defined(BOOT360)
++# define BOOTSECTORS 9
++# define BOOTTRACKS 40
++#endif
++
++#ifndef BOOTFILE
++#define BOOTFILE "DriveA"
++#endif
++
++struct DiskTab;
++extern struct DiskTab *fdisk, *hdisk;
++extern int numfdisks, numhdisks;
++
+ void init_bios(void);
+ void init_timer(void);
+ void bios_off(void);
+@@ -38,5 +60,9 @@
+
+ char *set_boot_file(char *);
+ char *set_boot_type(int);
++char *set_floppydisk(char *buf);
++char *set_harddisk(char *buf);
++struct DiskTab *add_disk(struct DiskTab *dt, int *count, const char *fn,
++ int s, int c, int h);
+
+ #endif
+--- bios.c.orig Mon Feb 21 21:16:21 2000
++++ bios.c Mon Feb 21 22:37:17 2000
+@@ -17,6 +17,7 @@
+ #include "global.h"
+
+ #include <stdio.h>
++#include <stdlib.h>
+ #include <fcntl.h>
+ #include <unistd.h>
+ #include <time.h>
+@@ -70,50 +71,17 @@
+ #define update_flag(flag, key, state) \
+ if (state) flag &= ~(key); else flag |= key;
+
+-#define MAXHDISKS 2
+-#define MAXFDISKS 2
+-
+-#define NUMHDISKS 0
+-#define NUMFDISKS 1
+-
+-typedef struct
++struct DiskTab
+ {
+ char *name;
+ unsigned sectors;
+ unsigned cylinders;
+ unsigned heads;
+ int fd;
+-} DiskTab;
+-
+-#if defined(BOOT720)
+-# define BOOTSECTORS 9
+-# define BOOTTRACKS 80
+-#elif defined(BOOT1_44)
+-# define BOOTSECTORS 18
+-# define BOOTTRACKS 80
+-#elif defined(BOOT1_2)
+-# define BOOTSECTORS 15
+-# define BOOTTRACKS 80
+-#elif defined(BOOT360)
+-# define BOOTSECTORS 9
+-# define BOOTTRACKS 40
+-#endif
+-
+-#ifndef BOOTFILE
+-#define BOOTFILE "DriveA"
+-#endif
+-
+-DiskTab fdisk[MAXFDISKS] =
+-{
+-{ BOOTFILE, BOOTSECTORS, BOOTTRACKS, 2 },
+-{ "/dev/fd0", 18, 80, 2 }
+ };
+
+-DiskTab hdisk[MAXHDISKS] =
+-{
+-{ "/dev/wd0", 63, 407, 64 },
+-{ "/some/file", 32, 120, 64 },
+-};
++struct DiskTab *fdisk, *hdisk;
++int numfdisks, numhdisks;
+
+ int bootdisk = 0x0;
+ static unsigned pos = INT_ROUTINE_START;
+@@ -133,7 +101,7 @@
+ static unsigned num = 0;
+
+ struct vm86_struct vm86s;
+-char tmpdir[] = "/usr/tmp";
++char tmpdir[] = "/var/tmp";
+
+ #include "keytabs.h"
+
+@@ -207,6 +175,54 @@
+ PutMemW(memory,4*intno+2,seg);
+ }
+
++struct DiskTab *add_disk(struct DiskTab *dt, int *count, const char *fn,
++ int s, int c, int h)
++{
++ struct DiskTab *newdt;
++ int newcount;
++
++ newcount = ++(*count);
++ if ((newdt = realloc(dt, sizeof(struct DiskTab) * newcount)) == 0) {
++ bailout:
++ fprintf(stderr,
++ "Warning: Insufficient memory to add %s to disktab\n",
++ fn);
++ (*count)--;
++ return dt;
++ }
++ newcount--;
++ if ((newdt[newcount].name = strdup(fn)) == 0)
++ goto bailout;
++ newdt[newcount].sectors = s;
++ newdt[newcount].cylinders = c;
++ newdt[newcount].heads = h;
++
++ return newdt;
++}
++
++char *set_floppydisk(char *buf)
++{
++ char fname[1024]; /* sufficient, read_pcemurc() only has 1024 */
++ int ncyl, nhead, nsec;
++
++ if(sscanf(buf, " %*s %s %d %d %d", fname, &nsec, &ncyl, &nhead) != 4)
++ return "usage: floppydisk <filename> <nsec> <ncyl> <nhead>";
++ fdisk = add_disk(fdisk, &numfdisks, fname, nsec, ncyl, nhead);
++
++ return 0;
++}
++
++char *set_harddisk(char *buf)
++{
++ char fname[1024]; /* sufficient, read_pcemurc() only has 1024 */
++ int ncyl, nhead, nsec;
++
++ if(sscanf(buf, " %*s %s %d %d %d", fname, &nsec, &ncyl, &nhead) != 4)
++ return "usage: harddisk <filename> <nsec> <ncyl> <nhead>";
++ hdisk = add_disk(hdisk, &numhdisks, fname, nsec, ncyl, nhead);
++
++ return 0;
++}
+
+ static void int_serial(void)
+ {
+@@ -807,16 +823,16 @@
+ }
+
+
+-static DiskTab *get_disk_tab(int num)
++static struct DiskTab *get_disk_tab(int num)
+ {
+- if (num >= 0 && num < NUMFDISKS)
++ if (num >= 0 && num < numfdisks)
+ return &fdisk[num];
+- if (num >= 0x80 && num < 0x80 + NUMHDISKS)
++ if (num >= 0x80 && num < 0x80 + numhdisks)
+ return &hdisk[num&0x7f];
+ return NULL;
+ }
+
+-static int disk_seek(DiskTab *disk, int cylinder, int head, int sector)
++static int disk_seek(struct DiskTab *disk, int cylinder, int head, int sector)
+ {
+ unsigned pos;
+
+@@ -845,7 +861,7 @@
+ {
+ int head, sector, cylinder, res, num;
+ BYTE *buffer;
+- DiskTab *disk;
++ struct DiskTab *disk;
+
+ res = 0;
+
+@@ -970,7 +986,7 @@
+ & 0x300) >> 2);
+ *bregs[DH] = (disk->heads -1) | (((disk->cylinders - 1)
+ & 0xc00)>> 4);
+- *bregs[DL] = *bregs[DL] < 0x80 ? NUMFDISKS : NUMHDISKS;
++ *bregs[DL] = *bregs[DL] < 0x80 ? numfdisks : numhdisks;
+ *bregs[AL] = 0;
+ CF = 0;
+ }
+@@ -1182,8 +1198,8 @@
+
+ memory[0xf0000+0xfffe] = SYSTEMID;
+
+- if (NUMFDISKS > 0)
+- equip |= (1 | ((NUMFDISKS-1) << 6));
++ if (numfdisks > 0)
++ equip |= (1 | ((numfdisks-1) << 6));
+ equip |= mono ? 0x30 : 0x20;
+
+
+@@ -1199,7 +1215,7 @@
+ PutMemB(data_segment, 0x40, 0);
+ PutMemB(data_segment, 0x41, 0);
+ PutMemW(data_segment, 0x72, 0x1234);
+- PutMemW(data_segment, 0x75, NUMHDISKS);
++ PutMemW(data_segment, 0x75, numhdisks);
+ PutMemW(data_segment, 0x96, 16); /* 101/102 keyboard */
+ PutMemB(data_segment, 0x17, NUMLOCK);
+
+@@ -1251,12 +1267,12 @@
+ void init_bios(void)
+ {
+ int i;
+- DiskTab *hd;
++ struct DiskTab *hd;
+ #ifdef BOOT
+- DiskTab *boot;
++ struct DiskTab *boot;
+ #endif
+
+- for (i = 0; i < NUMHDISKS; i++)
++ for (i = 0; i < numhdisks; i++)
+ {
+ if ((hdisk[i].fd = open(hdisk[i].name,O_RDWR)) < 0)
+ {
+@@ -1265,7 +1281,7 @@
+ exit(1);
+ }
+ }
+- for (i = 0; i < NUMFDISKS; i++)
++ for (i = 0; i < numfdisks; i++)
+ {
+ if ((fdisk[i].fd = open(fdisk[i].name,O_RDWR)) < 0)
+ {
+@@ -1341,11 +1357,6 @@
+ }
+
+
+-char *set_hd(char *file, int hd)
+-{
+-}
+-
+-
+ char *set_boot_type(int type)
+ {
+ fdisk[0].heads = 2;
+@@ -1379,7 +1390,9 @@
+ void bios_off(void)
+ {
+ int i;
+-
+- for (i = 0; i < NUMHDISKS; i++)
++
++ for (i = 0; i < numhdisks; i++)
+ close(hdisk[i].fd);
++ for (i = 0; i < numfdisks; i++)
++ close(fdisk[i].fd);
+ }
+--- main.c.orig Mon Feb 21 21:04:45 2000
++++ main.c Mon Feb 21 22:28:47 2000
+@@ -103,6 +103,10 @@
+ check_error(set_cursor_rate(strtol(value, NULL,10)), line);
+ else if (strcasecmp(keyword,"keymap") == 0)
+ check_error(set_keymap(buffer), line);
++ else if (strcasecmp(keyword,"floppydisk") == 0)
++ check_error(set_floppydisk(buffer), line);
++ else if (strcasecmp(keyword,"harddisk") == 0)
++ check_error(set_harddisk(buffer), line);
+ else
+ check_error("Syntax error in .pcemu file", line);
+ }
+@@ -110,7 +114,7 @@
+ }
+
+
+-void main(int argc, char **argv)
++int main(int argc, char **argv)
+ {
+ progname = (progname = strrchr(argv[0],'/')) ? progname : argv[0];
+
+@@ -140,6 +144,9 @@
+ fread(memory+0x800,1,MEMORY_SIZE-0x800,f1);
+ fclose(f1);
+ #endif
++
++ /* this needs to be done before parsing .pcemurc */
++ fdisk = add_disk(fdisk, &numfdisks, BOOTFILE, BOOTSECTORS, BOOTTRACKS, 2);
+
+ read_pcemurc();
+ disable();
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-14 15:20:34 +0000