Index: ram/sqdisp.c
===================================================================
--- ram/sqdisp.c	(revision 018d7bad0f0479e079409bc9f7c98501ae8caad3)
+++ ram/sqdisp.c	(revision 19caa6417a7b595702695ac30d24612376a5b584)
@@ -14,11 +14,11 @@
 #endif
 
-int16_t	curslin;			/* current sequence line */
-
-int8_t	sqhead[] =
+int16_t		curslin;		/* current sequence line */
+
+int8_t		sqhead[] =
 
 	"\260 Lin Time  Action 1    Action 2    Action 3    \260 No Seq Rg T \260";
 
-int8_t	*sqmcon[] = {
+int8_t		*sqmcon[] = {
 
 	"\260 Key transient  Trigger on   Stop         Set reg   Value    \260",
@@ -29,5 +29,5 @@
 };
 
-int16_t	seqpal[16][3] = {		/* sequence display palette */
+int16_t		seqpal[16][3] = {	/* sequence display palette */
 
 	{0, 0, 0},	/*  0 - black */
@@ -49,5 +49,5 @@
 };
 
-int16_t	sqatype[] = {		/* sequence action types by box number */
+uint16_t	sqatype[] = {		/* sequence action types by box number */
 
 	SQ_NULL,	/*	"           "	0 */
@@ -71,5 +71,5 @@
 };
 
-int8_t	*sqdsptb[] = {		/* sequence action display strings by action */
+int8_t		*sqdsptb[] = {	/* sequence action display strings by action */
 
 	"           ",		/* SQ_NULL	0x0000	null action */
Index: ram/sqdisp.x
===================================================================
--- ram/sqdisp.x	(revision 018d7bad0f0479e079409bc9f7c98501ae8caad3)
+++ ram/sqdisp.x	(revision 19caa6417a7b595702695ac30d24612376a5b584)
@@ -17,5 +17,5 @@
 extern	int16_t		curslin;
 extern	int16_t		seqpal[16][3];
-extern	int16_t		sqatype[];
+extern	uint16_t	sqatype[];
 extern	int8_t		*sqdsptb[];
 extern	int8_t		sqhead[];
Index: ram/sqselbx.c
===================================================================
--- ram/sqselbx.c	(revision 018d7bad0f0479e079409bc9f7c98501ae8caad3)
+++ ram/sqselbx.c	(revision 19caa6417a7b595702695ac30d24612376a5b584)
@@ -22,5 +22,5 @@
 struct seqent	seqbuf;			/* sequence line buffer */
 
-int8_t	sqhilit[][8] = {		/* submenu highlight table */
+int8_t		sqhilit[][8] = {	/* submenu highlight table */
 
 	/* start, width, row1, row2, row3, row4, row5, pad */
@@ -40,12 +40,12 @@
 };
 
-int8_t	sqopreq[] = {		/* action needs operand type flag table */
+int8_t		sqopreq[] = {		/* action needs operand type flag table */
 
 	0,  0, 0, 0, 0,  0, 0, 0, 0,  1, 1, 1, 1,  0, 0, 0,  1
 };
 
-int8_t	nextact[] = {  24, 36, 6 };	/* next column after action entry */
-
-int16_t	sqidata[] = {		/* intial data by box */
+int8_t		nextact[] = {  24, 36, 6 };	/* next column after action entry */
+
+uint16_t	sqidata[] = {		/* intial data by box */
 
 	0x0000,	/*	"           "	0 */
@@ -69,14 +69,14 @@
 };
 
-int8_t	actcol[] = {			/* action data entry column by action */
+int8_t		actcol[] = {		/* action data entry column by action */
 
 	0,  3, 3, 3, 3,  9, 9, 9, 9,  5, 5, 5, 5,  10, 8, 3,  5
 };
 
-int8_t	sqvcol[]  = { 9, 8, 9, 9 };	/* value entry column - type order */
-
-int8_t	seqvcol[] = { 8, 8, 9, 9, 9 };	/* value entry column - box order */
-
-int16_t	sqndata[] = {			/* data types in box order */
+int8_t		sqvcol[]  = { 9, 8, 9, 9 };	/* value entry column - type order */
+
+int8_t		seqvcol[] = { 8, 8, 9, 9, 9 };	/* value entry column - box order */
+
+uint16_t	sqndata[] = {		/* data types in box order */
 
 	SQ_VAL, SQ_REG, SQ_VLT, SQ_RND
@@ -209,5 +209,5 @@
 	register int32_t ltemp;
 	register uint16_t *ap, *dp;
-	uint16_t theact, port, chan, key, val, obj, dtype;
+	int16_t theact, port, chan, key, val, obj, dtype;
 
 	switch (action) {
@@ -260,5 +260,5 @@
 		}
 
-		key = ltemp - 1;
+		key = (int16_t)(ltemp - 1);
 
 		i = sqdebuf[lcol + 7];
@@ -287,6 +287,7 @@
 		}
 
-		chan = ltemp - 1;
-		*dp = (port << 11) | (chan << 7) | key;
+		chan = (int16_t)(ltemp - 1);
+		*dp = ((uint16_t)port << 11) | ((uint16_t)chan << 7) |
+				(uint16_t)key;
 
 		break;
@@ -305,5 +306,5 @@
 		}
 
-		*dp = ltemp - 1;
+		*dp = (uint16_t)(ltemp - 1);
 
 		break;
@@ -323,5 +324,5 @@
 			ltemp = (ltemp * 10) + (sqdebuf[i] - '0');
 
-		*dp = ltemp;
+		*dp = (uint16_t)ltemp;
 
 		break;
@@ -344,5 +345,5 @@
 		}
 
-		obj = ltemp - 1;
+		obj = (int16_t)(ltemp - 1);
 
 		switch (dtype) {
@@ -359,5 +360,5 @@
 			}
 
-			val = ltemp - 1;
+			val = (int16_t)(ltemp - 1);
 			break;
 
@@ -389,6 +390,6 @@
 			val |= 0x1000;
 
-		*ap = (*ap & SQ_MACT) | (obj << 8);
-		*dp = (*dp & SQ_MTYP) | val;
+		*ap = (*ap & SQ_MACT) | ((uint16_t)obj << 8);
+		*dp = (*dp & SQ_MTYP) | (uint16_t)val;
 
 		break;
@@ -432,5 +433,5 @@
 				ltemp = (ltemp * 10) + (sqdebuf[i] - '0');
 
-			curslin = ltemp;
+			curslin = (int16_t)ltemp;
 			sqdeflg = FALSE;
 			dstw();
@@ -448,6 +449,6 @@
 				ltemp = (ltemp * 10) + (sqdebuf[i] - '0');
 
-			seqtab[curslin].seqtime = ltemp;
-			seqbuf.seqtime = ltemp;
+			seqtab[curslin].seqtime = (uint16_t)ltemp;
+			seqbuf.seqtime = (uint16_t)ltemp;
 			dsqlin(sqdebuf, curslin);
 			sqdeflg = TRUE;
Index: ram/sqselbx.x
===================================================================
--- ram/sqselbx.x	(revision 018d7bad0f0479e079409bc9f7c98501ae8caad3)
+++ ram/sqselbx.x	(revision 19caa6417a7b595702695ac30d24612376a5b584)
@@ -26,7 +26,7 @@
 extern	int16_t		sqdeflg;
 extern	int8_t		sqhilit[][8];
-extern	int16_t		sqidata[];
+extern	uint16_t	sqidata[];
 extern	int16_t		sqmenu;
-extern	int16_t		sqndata[];
+extern	uint16_t	sqndata[];
 extern	int8_t		sqopreq[];
 extern	int8_t		sqvcol[];