Changeset 9b204fa in buchla-emu for emu/fdd.c

Timestamp:

12/31/2017 02:32:29 PM (6 years ago)

Author:

Thomas Lopatic <thomas@…>

Branches:

master

Children:

a2b296e

Parents:

8270a1b

Message:

Persist disk image.

File:

• emu/fdd.c (modified) (5 diffs)

emu/fdd.c

@@ -44 +44 @@
 #define COM_WR_SEC 0xa2
 #define COM_INT 0xd0
-#define COM_WR_TRA 0xf0
+#define COM_WR_TRA_WP 0xf0
+#define COM_WR_TRA 0xf2
 
 #define COM_LAT_CYC 5
@@ -98 +99 @@
                 return "COM_WR_SEC";
 
+        case COM_WR_TRA_WP:
+                return "COM_WR_TRA_WP";
+
         case COM_WR_TRA:
                 return "COM_WR_TRA";
@@ -140 +144 @@
 {
         ver("fdd init");
-        inf("loading disk image file %s", disk);
+        inf("reading disk image file %s", disk);
 
         SDL_RWops *ops = SDL_RWFromFile(disk, "rb");
 
         if (ops == NULL) {
-                fail("error while opening disk image file %s", disk);
+                fail("error while opening disk image file %s for reading", disk);
         }
 
@@ -166 +170 @@
 {
         ver("fdd quit");
+        inf("writing disk image file %s", disk);
+
+        SDL_RWops *ops = SDL_RWFromFile(disk, "wb");
+
+        if (ops == NULL) {
+                fail("error while opening disk image file %s for writing", disk);
+        }
+
+        size_t stored = 0;
+
+        while (stored < SZ_DISK) {
+                size_t n_wr = SDL_RWwrite(ops, image + stored, 1, SZ_DISK - stored);
+
+                if (n_wr == 0) {
+                        fail("error while writing disk image file %s", disk);
+                }
+
+                stored += n_wr;
+        }
+
+        SDL_RWclose(ops);
 }
 
@@ -338 +363 @@
 
                 case COM_WR_TRA:
+                case COM_WR_TRA_WP:
                         state.tra_0 = false;
                         fail("format not yet supported");