Make tracker/chip.c use NR_CHAN

diff --git a/tracker/chip.c b/tracker/chip.c
index 30daaebc03733e977beab9dfd95a764fddd58457..69c6609cc2dcc17c0c1c01b8cac8e13af3128b86 100644 (file)
--- a/tracker/chip.c
+++ b/tracker/chip.c
@@ -19,7 +19,7 @@ volatile struct oscillator {
        u16     duty;
        u8      waveform;
        u8      volume; // 0-255
-} osc[4];
+} osc[NR_CHAN];
 
 struct channel {
        u8      tnum;
@@ -39,12 +39,12 @@ struct channel {
        u8      vpos;
        s16     inertia;
        u16     slur;
-} channel[4];
+} channel[NR_CHAN];
 
 void silence() {
        u8 i;
 
-       for(i = 0; i < 4; i++) {
+       for(i = 0; i < NR_CHAN; i++) {
                osc[i].volume = 0;
        }
        playsong = 0;
@@ -144,7 +144,7 @@ void playroutine() {                        // called at 50 Hz
                                        if(songpos >= songlen) {
                                                playsong = 0;
                                        } else {
-                                               for(ch = 0; ch < 4; ch++) {
+                                               for(ch = 0; ch < NR_CHAN; ch++) {
                                                        u8 tmp[2];
 
                                                        readsong(songpos, ch, tmp);
@@ -157,7 +157,7 @@ void playroutine() {                        // called at 50 Hz
                        }
 
                        if(playtrack || playsong) {
-                               for(ch = 0; ch < 4; ch++) {
+                               for(ch = 0; ch < NR_CHAN; ch++) {
                                        if(channel[ch].tnum) {
                                                struct trackline tl;
                                                u8 instr = 0;
@@ -194,7 +194,7 @@ void playroutine() {                        // called at 50 Hz
                }
        }
 
-       for(ch = 0; ch < 4; ch++) {
+       for(ch = 0; ch < NR_CHAN; ch++) {
                s16 vol;
                u16 duty;
                u16 slur;
@@ -282,7 +282,7 @@ u8 interrupthandler()
        }
 
        acc = 0;
-       for(i = 0; i < 4; i++) {
+       for(i = 0; i < NR_CHAN; i++) {
                s8 value; // [-32,31]
 
                switch(osc[i].waveform) {