Changeset 259 in xtideuniversalbios for trunk/Serial_Server/library/Image.cpp

Timestamp:

Feb 23, 2012, 7:14:06 AM (12 years ago)

Author:

gregli@…

google:author:

gregli@hotmail.com

Message:

For function int13/0h, restored the code to only reset the floppy drives if a floppy drive was passed in for reset. Other minor optimizations. Better create new floppy support in Serial Server.

File:

• trunk/Serial_Server/library/Image.cpp (modified) (3 diffs)

trunk/Serial_Server/library/Image.cpp

@@ -12 +12 @@
 #include <stdio.h>
 
-struct floppyInfo {
-    unsigned long size;
-    unsigned char type;
-    unsigned char cylinders;
-    unsigned char heads;
-    unsigned char sectors;
-} floppyInfos[] = 
-{
-{ 2949120 / 512, 6, 80, 2, 36 },   // 2.88MB 3.5"
-{ 1474560 / 512, 4, 80, 2, 18 },        // 1.44MB 3.5"
-{ 1228800 / 512, 2, 80, 2, 15 },     // 1.2MB 5.25"
-{ 737280 / 512, 3, 80, 1, 18 },    // 720KB 3.5"
-{ 368640 / 512, 1, 40, 2, 9 }, // 360KB 5.25"
-{ 327680 / 512, 0, 40, 2, 8 }, // 320KB 5.25"
-{ 184320 / 512, 0, 40, 1, 9 }, // 180KB 5.25" single sided
-{ 163840 / 512, 0, 40, 1, 8 }, // 160KB 5.25" single sided
-{ 0, 0, 0, 0, 0 }
+struct floppyInfo floppyInfos[] = 
+{
+    { 1, 2949120 / 512, 6, 80, 2, 36 },         // 2.88MB 3.5"
+    { 0, 2867200 / 512, 6, 80, 2, 36 },         // 2.88MB 3.5" (alternate spelling with 2.8)
+    { 0, 2969600 / 512, 6, 80, 2, 36 },         // 2.88MB 3.5" (alternate spelling with 2.9)
+    { 1, 1474560 / 512, 4, 80, 2, 18 },         // 1.44MB 3.5"
+    { 0, 1433600 / 512, 4, 80, 2, 18 },         // 1.44MB 3.5" (alternate spelling with 1.4)
+    { 1, 1228800 / 512, 2, 80, 2, 15 },         // 1.2MB 5.25"
+    { 1, 737280 / 512, 3, 80, 1, 18 },          // 720KB 3.5"
+    { 1, 368640 / 512, 1, 40, 2, 9 },           // 360KB 5.25"
+    { 1, 327680 / 512, 0, 40, 2, 8 },           // 320KB 5.25"
+    { 1, 184320 / 512, 0, 40, 1, 9 },           // 180KB 5.25" single sided
+    { 1, 163840 / 512, 0, 40, 1, 8 },           // 160KB 5.25" single sided
+    { 0, 0, 0, 0, 0, 0 }
 };
+
+struct floppyInfo *FindFloppyInfoBySize( double size )
+{
+    struct floppyInfo *fi;
+
+    for( fi = floppyInfos; fi->size != 0 && !(size+5 > fi->size && size-5 < fi->size); fi++ ) ;
+
+    if( fi->size == 0 )
+        fi = NULL;
+
+    return( fi );
+}
 
 Image::Image( char *name, int p_readOnly, int p_drive )
@@ -69 +78 @@
 
     floppy = 0;
-    for( f = floppyInfos; f->size && f->size != totallba; f++ ) ;
+    for( f = floppyInfos; f->size && !(f->size == totallba && f->real); f++ ) ;
     if( f->size )
     {
@@ -78 +87 @@
         p_head = f->heads;
         p_sect = f->sectors;
+        totallba = p_cyl * p_head * p_sect;
     }