@@ -145,14 +145,14 @@ file_delete(void)

 void

 file_deo(Device *d, Uint8 port)

 {

-	Uint16 a, b, res;

+	Uint16 addr, len, res;

 	switch(port) {

 	case 0x5:

-		DEVPEEK16(a, 0x4);

-		DEVPEEK16(b, 0xa);

-		if(b > 0x10000 - a)

-			b = 0x10000 - a;

-		res = file_stat(&d->u->ram[a], b);

+		DEVPEEK16(addr, 0x4);

+		DEVPEEK16(len, 0xa);

+		if(len > 0x10000 - addr)

+			len = 0x10000 - addr;

+		res = file_stat(&d->u->ram[addr], len);

 		DEVPOKE16(0x2, res);

 		break;

 	case 0x6:

@@ -160,24 +160,24 @@ file_deo(Device *d, Uint8 port)

 		DEVPOKE16(0x2, res);

 		break;

 	case 0x9:

-		DEVPEEK16(a, 0x8);

-		res = file_init(&d->u->ram[a]);

+		DEVPEEK16(addr, 0x8);

+		res = file_init(&d->u->ram[addr]);

 		DEVPOKE16(0x2, res);

 		break;

 	case 0xd:

-		DEVPEEK16(a, 0xc);

-		DEVPEEK16(b, 0xa);

-		if(b > 0x10000 - a)

-			b = 0x10000 - a;

-		res = file_read(&d->u->ram[a], b);

+		DEVPEEK16(addr, 0xc);

+		DEVPEEK16(len, 0xa);

+		if(len > 0x10000 - addr)

+			len = 0x10000 - addr;

+		res = file_read(&d->u->ram[addr], len);

 		DEVPOKE16(0x2, res);

 		break;

 	case 0xf:

-		DEVPEEK16(a, 0xe);

-		DEVPEEK16(b, 0xa);

-		if(b > 0x10000 - a)

-			b = 0x10000 - a;

-		res = file_write(&d->u->ram[a], b, d->dat[0x7]);

+		DEVPEEK16(addr, 0xe);

+		DEVPEEK16(len, 0xa);

+		if(len > 0x10000 - addr)

+			len = 0x10000 - addr;

+		res = file_write(&d->u->ram[addr], len, d->dat[0x7]);

 		DEVPOKE16(0x2, res);

 		break;

 	}