return LUTFreq and tweak timing of output interrupts... add stereo_tog to

 accepted external commands and ... add VNote/LNote to updateNote() ...
and cleave off 256 bytes from the unused sysEx xdata buffer for the future

Author: exitrip

Blinky.c

@@ -47,9 +47,9 @@ sbit WRAP_FREQ = songFlags^7; //if told to move beyond limits of txFreq, wrap ar
 //try moving to locals!!!
 //#define NUM_RIFFS HEAVY_11_SONG_SIZE//SAUCER_VOLCANO_SONG_SIZE//THUMP1_SONG_SIZE//3//FOR_SONG_ALT_SIZE//FIRST_SONG_ALT_SIZE//THIRD_SONG_SIZE//
 volatile RIFF_T* curSong;
-volatile word nextRiff = 0;
-volatile byte curRiffCnt = 0;
-volatile word numRiffs = 0;
+volatile word xdata nextRiff = 0;
+volatile byte xdata curRiffCnt = 0;
+volatile word xdata numRiffs = 0;
 volatile byte code* riff;
 //deltaSongPos ... just ... cant..  be ...  a ...  byte....
 volatile word deltaPos = 0;
@@ -83,6 +83,8 @@ volatile byte periodL1 = 0;
 //helpful shadows...
 volatile word LPeriod;
 volatile word VPeriod;
+volatile byte LNote;
+volatile byte VNote;
 
 volatile word lDelta = 0;
 volatile word txDelta = 0;
@@ -714,15 +716,19 @@ void timers_isr1 (void) interrupt 3 using 2
 		//reload
 		TH1 = periodH1;	//remember this only counts up!!!!
 		TL1 = periodL1;
+		//Match to other ISR
+		_nop_();
+		_nop_();
+		_nop_();
 		//generate square waves
 		if(AUDIO_L_ON) { //could play with nops here
 			audioL ^= 1; 
 		}
 #ifdef DAC1_OUT_AUDIO
-		AD1DAT3 = LUTSIN128[dac1LUTdex++ & 0x7F];
+		AD1DAT3 = LUTSIN[dac1LUTdex++ & LUTSINMASK];
 #else
 		//just for the delay...  hopefully it doesnt mess up ADC0
-		AD1DAT0 = LUTSIN128[dac1LUTdex & 0x7F];
+		AD1DAT0 = LUTSIN[dac1LUTdex & LUTSINMASK];
 #endif
 #endif
 }
@@ -766,9 +772,9 @@ void timers_isr0 (void) interrupt 1 using 3
 			txVcc = 1; //tx OFF!  station???
 		}
 #ifdef DAC1_OUT_VCC
-	AD1DAT3 = LUTSIN128[dac1LUTdex++ & 0x7F];
+	AD1DAT3 = LUTSIN[dac1LUTdex++ & LUTSINMASK];
 #else
-	AD1DAT0 = LUTSIN128[dac1LUTdex & 0x7F];
+	AD1DAT0 = LUTSIN[dac1LUTdex & LUTSINMASK];
 #endif
 #endif
 }
@@ -1054,8 +1060,7 @@ void updateNote(void) {
 			case STATION_DOWN:
 				setFreq(--station);
 			break;
-			
-			case HOLD1:
+
 			case SET_DAC:
 				//TODO
 			break;
@@ -1076,11 +1081,13 @@ void updateNote(void) {
 				temp -= LUT_MIDI_NOTE_SHIFT;
 				if (VnotL == 1) {
 					TX_VCC_ON = 1;
+					VNote = temp;
 					VPeriod = LUTFreq[temp];
 					periodH0 = (0xff & (LUTFreq[temp] >> 8));
 					periodL0 = (0xff & LUTFreq[temp]);
 				} else {
 					AUDIO_L_ON = 1;
+					LNote = temp;
 					LPeriod = LUTFreq[temp];
 					periodH1 = (0xff & (LUTFreq[temp] >> 8));
 					periodL1 = (0xff & LUTFreq[temp]);

LUTFreq.c

@@ -1,113 +1,112 @@
-#include "LUTFreq.h"
-
-const unsigned int code LUTFreq[LUT_LEN] = {
-//	0,
-//	0,
-//	0,
-//	0,
-//	0,
-//	0,
-//	0,
-//	0,
-//	0,
-//	0,
-	0,
-	2465,
-	6003,
-	9338,
-	12503,
-	15483,
-	18292,
-	20944,
-	23450,
-	25819,
-	28051,
-	30156,
-	32147,
-	34024,
-	35798,
-	37470,
-	39048,
-	40538,
-	41943,
-	43271,
-	44524,
-	45706,
-	46822,
-	47876,
-	48870,
-	49809,
-	50695,
-	51531,
-	52320,
-	53065,
-	53768,
-	54432,
-	55058,
-	55650,
-	56208,
-	56735,
-	57232,
-	57701,
-	58144,
-	58562,
-	58957,
-	59329,
-	59681,
-	60013,
-	60326,
-	60622,
-	60901,
-	61164,
-	61413,
-	61647,
-	61869,
-	62078,
-	62275,
-	62461,
-	62637,
-	62803,
-	62960,
-	63108,
-	63247,
-	63379,
-	63503,
-	63620,
-	63731,
-	63836,
-	63934,
-	64027,
-	64115,
-	64198,
-	64277,
-	64351,
-	64420,
-	64486,
-	64548,
-	64607,
-	64662,
-	64715,
-	64764,
-	64810,
-	64854,
-	64896,
-	64935,
-	64972,
-	65007,
-	65040,
-	65071,
-	65100,
-	65128,
-	65154,
-	65179,
-	65202,
-	65224,
-	65245,
-	65264,
-	65283,
-	65300,
-	65317,
-	65332,
-	65347,
-	65361
-};
+#include "LUTFreq.h"
+
+const unsigned int code LUTFreq[LUT_LEN] = {
+//	0,
+//	0,
+//	0,
+//	0,
+//	0,
+//	0,
+//	0,
+//	0,
+//	0,
+	0,
+	2339,
+	5884,
+	9225,
+	12398,
+	15383,
+	18197,
+	20855,
+	23366,
+	25740,
+	27977,
+	30085,
+	32080,
+	33961,
+	35739,
+	37414,
+	38996,
+	40488,
+	41896,
+	43227,
+	44482,
+	45667,
+	46785,
+	47841,
+	48837,
+	49778,
+	50665,
+	51503,
+	52294,
+	53040,
+	53745,
+	54410,
+	55038,
+	55630,
+	56190,
+	56717,
+	57216,
+	57686,
+	58130,
+	58549,
+	58944,
+	59317,
+	59670,
+	60002,
+	60316,
+	60612,
+	60892,
+	61156,
+	61405,
+	61640,
+	61862,
+	62071,
+	62269,
+	62456,
+	62632,
+	62798,
+	62955,
+	63103,
+	63243,
+	63375,
+	63499,
+	63617,
+	63728,
+	63833,
+	63932,
+	64025,
+	64113,
+	64196,
+	64274,
+	64349,
+	64418,
+	64484,
+	64547,
+	64605,
+	64661,
+	64713,
+	64763,
+	64809,
+	64853,
+	64895,
+	64934,
+	64971,
+	65006,
+	65039,
+	65070,
+	65100,
+	65127,
+	65154,
+	65178,
+	65202,
+	65224,
+	65245,
+	65264,
+	65283,
+	65300,
+	65317,
+	65332,
+	65347,
+	65361
+};

LUTFreq.h

@@ -2,7 +2,7 @@
 #define LUTFREQ_H
 
 #define LUT_NUM_NOTES	99
-#define LUT_MIDI_NOTE_SHIFT	10
+#define LUT_MIDI_NOTE_SHIFT	9
 #define LUT_LEN	(LUT_NUM_NOTES)
 #define LUT_NOTE_LIMIT (LUT_LEN + LUT_MIDI_NOTE_SHIFT)