--- np2/bios/bios12.c	2003/12/12 01:04:39	1.3
+++ np2/bios/bios12.c	2011/01/15 18:04:42	1.7
@@ -3,16 +3,18 @@
 #include	"pccore.h"
 #include	"iocore.h"
 #include	"bios.h"
+#include	"biosmem.h"
 
 
 #define	baseport 0x00c8
 
 void bios0x12(void) {
 
-	BYTE	stat;
-	BYTE	result;
-	BYTE	*p;
-	BYTE	drv;
+	UINT8	status;
+	UINT8	result;
+	UINT8	*p;
+	UINT8	drv;
+	UINT8	drvbit;
 
 //	TRACE_("BIOS", 0x12);
 	iocore_out8(0x08, 0x20);
@@ -20,16 +22,16 @@ void bios0x12(void) {
 		iocore_out8(0x00, 0x20);
 	}
 
-	stat = iocore_inp8(baseport);
+	status = iocore_inp8(baseport);
 	while(1) {
-		if (!(stat & FDCSTAT_CB)) {
-			if ((stat & (FDCSTAT_RQM | FDCSTAT_DIO)) != FDCSTAT_RQM) {
+		if (!(status & FDCSTAT_CB)) {
+			if ((status & (FDCSTAT_RQM | FDCSTAT_DIO)) != FDCSTAT_RQM) {
 				break;
 			}
 			iocore_out8(baseport+2, 0x08);
-			stat = iocore_inp8(baseport);
+			status = iocore_inp8(baseport);
 		}
-		if ((stat & (FDCSTAT_RQM | FDCSTAT_DIO | FDCSTAT_CB))
+		if ((status & (FDCSTAT_RQM | FDCSTAT_DIO | FDCSTAT_CB))
 							!= (FDCSTAT_RQM | FDCSTAT_DIO | FDCSTAT_CB)) {
 			break;
 		}
@@ -41,6 +43,7 @@ void bios0x12(void) {
 			break;
 		}
 		drv = result & 3;
+		drvbit = 0x10 << drv;
 		if (result & (FDCRLT_IC1 | FDCRLT_SE)) {
 			p = mem + 0x005d8 + (drv * 2);
 		}
@@ -49,13 +52,14 @@ void bios0x12(void) {
 		}
 		while(1) {
 			*p++ = result;
-			stat = iocore_inp8(baseport);
-			if ((stat & (FDCSTAT_RQM | FDCSTAT_DIO | FDCSTAT_CB))
+			status = iocore_inp8(baseport);
+			if ((status & (FDCSTAT_RQM | FDCSTAT_DIO | FDCSTAT_CB))
 							!= (FDCSTAT_RQM | FDCSTAT_DIO | FDCSTAT_CB)) {
 				break;
 			}
 			result = iocore_inp8(baseport+2);
 		}
+		mem[0x0055f] |= drvbit;
 	}
 }