--- np2/bios/bios.c	2004/02/09 20:39:39	1.36
+++ np2/bios/bios.c	2004/02/16 05:09:00	1.38
@@ -139,13 +139,12 @@ static void bios_vectorset(void) {						
 
 static void bios_screeninit(void) {
 
-	UINT	ax;
+	REG8	al;
 
-	ax = 0x0a04;
-	ax += (np2cfg.dipsw[1] & 0x04) >> 1;
-	ax += (np2cfg.dipsw[1] & 0x08) >> 3;
-	CPU_AX = ax;
-	bios0x18();
+	al = 4;
+	al += (np2cfg.dipsw[1] & 0x04) >> 1;
+	al += (np2cfg.dipsw[1] & 0x08) >> 3;
+	bios0x18_0a(al);
 }
 
 
@@ -161,7 +160,7 @@ static const UINT16 biosoffset[0x20] = {
 			BIOSOFST_EOIS,	BIOSOFST_EOIS,	BIOSOFST_EOIS,	BIOSOFST_EOIS,
 
 			BIOSOFST_18,	BIOSOFST_19,	BIOSOFST_1a,	BIOSOFST_1b,
-			BIOSOFST_1c,	BIOSOFST_IRET,	BIOSOFST_1e,	BIOSOFST_IRET};
+			BIOSOFST_1c,	BIOSOFST_IRET,	BIOSOFST_1e,	BIOSOFST_1f};
 
 
 void bios_init(void) {
@@ -195,7 +194,7 @@ void bios_init(void) {
 	}
 	SETBIOSMEM16(BIOS_BASE + BIOSOFST_IRET, 0x50cf);
 	SETBIOSMEM16(BIOS_BASE + BIOSOFST_WAIT, 0xcf90);
-	for (i=(BIOS_BASE+BIOSOFST_EOIM); i<=(BIOS_BASE+BIOSOFST_1c); i+=2) {
+	for (i=(BIOS_BASE+BIOSOFST_EOIM); i<=(BIOS_BASE+BIOSOFST_1f); i+=2) {
 		SETBIOSMEM16(i, 0xcf90);
 	}
 	CopyMemory(mem + BIOS_BASE + BIOSOFST_PRT, printmain, sizeof(printmain));
@@ -368,6 +367,10 @@ UINT MEMCALL biosfunc(UINT32 adrs) {
 			bios0x1c();
 			return(1);
 
+		case BIOS_BASE + BIOSOFST_1f:
+			CPU_REMCLOCK -= 200;
+			return(1);
+
 		case BIOS_BASE + BIOSOFST_WAIT:
 			CPU_STI;
 			if (fddmtr_biosbusy) {						// ver0.26