X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2F16_ca.c;h=df722daeaa8fecd97faba02ecc7bd34ea07d1e41;hb=8d1c541aafd07bb04574041ddcc6e96a10d3eac9;hp=49f9c1be75ee243e3749ae347597f477d14bc57f;hpb=9e11cc651bdf6982617734702644dd24956434a8;p=16.git

diff --git a/src/lib/16_ca.c b/src/lib/16_ca.c
index 49f9c1be..df722dae 100644
--- a/src/lib/16_ca.c
+++ b/src/lib/16_ca.c
@@ -216,38 +216,49 @@ void CAL_GetGrChunkLength (int chunk)
 ==========================
 */
 
-boolean CA_FarRead (int handle, byte huge *dest, dword length)
+boolean CA_FarRead(int handle, byte huge *dest, dword length, mminfo_t *mm)
 {
 	boolean flag;
-	boolean fat;
-	if (length>0xffffl) fat=true;
+	dword fat=0;
+	word segm=0;
+	//if(mm->EMSVer<0x40)
+	if(length>0xfffflu)
+	{
+		printf("pee\n");
+		segm=(length%0xfffflu)-1;
+		fat=segm*0xfffflu;
+		length-=fat;
 //		printf("CA_FarRead doesn't support 64K reads yet!\n");
-
-	__asm
+	}
+
+	if(!fat&&!segm)
 	{
-		push	ds
-		mov	bx,[handle]
-		mov	cx,[WORD PTR length]
-		mov	dx,[WORD PTR dest]
-		mov	ds,[WORD PTR dest+2]
-		mov	ah,0x3f				// READ w/handle
-		int	21h
-		pop	ds
-		jnc	good
-		mov	errno,ax
-		mov	flag,0
-		jmp End
+		__asm
+		{
+			push	ds
+			mov	bx,[handle]
+			mov	cx,[WORD PTR length]
+			mov	dx,[WORD PTR dest]
+			mov	ds,[WORD PTR dest+2]
+			mov	ah,0x3f				// READ w/handle
+			int	21h
+			pop	ds
+			jnc	good
+			mov	errno,ax
+			mov	flag,0
+			jmp End
 good:
-		cmp	ax,[WORD PTR length]
-		je	done
-//		errno = EINVFMT;			// user manager knows this is bad read
-		mov	flag,0
-		jmp End
+			cmp	ax,[WORD PTR length]
+			je	done
+//			errno = EINVFMT;			// user manager knows this is bad read
+			mov	flag,0
+			jmp End
 done:
-		mov	flag,1
+			mov	flag,1
 End:
-	}
-	return flag;
+		}
+	return flag;
+	}else return 0;//todo: EXPAND!!!
 }
 
 
@@ -261,38 +272,49 @@ End:
 ==========================
 */
 
-boolean CA_FarWrite (int handle, byte huge *source, dword length)
+boolean CA_FarWrite(int handle, byte huge *source, dword length, mminfo_t *mm)
 {
 	boolean flag;
-	boolean fat;
-	if (length>0xffffl) fat=true;
-//		printf("CA_FarWrite doesn't support 64K reads yet!\n");
-
-	__asm
+	dword fat=0;
+	word segm=0;
+	//if(mm->EMSVer<0x40)
+	if(length>0xfffflu)
+	{
+		printf("pee\n");
+		segm=(length%0xfffflu)-1;
+		fat=segm*0xfffflu;
+		length-=fat;
+//		printf("CA_FarRead doesn't support 64K reads yet!\n");
+	}
+
+	if(!fat&&!segm)
 	{
-		push	ds
-		mov	bx,[handle]
-		mov	cx,[WORD PTR length]
-		mov	dx,[WORD PTR source]
-		mov	ds,[WORD PTR source+2]
-		mov	ah,0x40			// WRITE w/handle
-		int	21h
-		pop	ds
-		jnc	good
-		mov	errno,ax
-		mov flag,0
-		jmp End
+		__asm
+		{
+			push	ds
+			mov	bx,[handle]
+			mov	cx,[WORD PTR length]
+			mov	dx,[WORD PTR source]
+			mov	ds,[WORD PTR source+2]
+			mov	ah,0x40			// WRITE w/handle
+			int	21h
+			pop	ds
+			jnc	good
+			mov	errno,ax
+			mov flag,0
+			jmp End
 good:
-		cmp	ax,[WORD PTR length]
-		je	done
-	//errno = ENOMEM;				// user manager knows this is bad write
-		mov	flag,0
-		jmp End
+			cmp	ax,[WORD PTR length]
+			je	done
+			//errno = ENOMEM;				// user manager knows this is bad write
+			mov	flag,0
+			jmp End
 done:
-		mov	flag,1
+			mov	flag,1
 End:
-	}
-	return flag;
+		}
+	return flag;
+	}else return 0;
 }
 
 
@@ -306,7 +328,7 @@ End:
 ==========================
 */
 
-boolean CA_ReadFile(char *filename, memptr *ptr)
+boolean CA_ReadFile(char *filename, memptr *ptr, mminfo_t *mm)
 {
 	int handle;
 	dword size;
@@ -315,7 +337,7 @@ boolean CA_ReadFile(char *filename, memptr *ptr)
 		return false;
 
 	size = filelength(handle);
-	if(!CA_FarRead(handle,*ptr,size))
+	if(!CA_FarRead(handle,*ptr,size, mm))
 	{
 		close(handle);
 		return false;
@@ -346,7 +368,7 @@ boolean CA_LoadFile(char *filename, memptr *ptr, mminfo_t *mm, mminfotype *mmi)
 
 	size = filelength (handle);
 	MM_GetPtr(ptr,size, mm, mmi);
-	if(!CA_FarRead(handle,*ptr,size))
+	if(!CA_FarRead(handle,*ptr,size, mm))
 	{
 		close(handle);
 		return false;