JOPL status bar, remove jorth from ISR (for now??)

jopl.c

@@ -14,9 +14,10 @@ void f_adlib_write() {
   DROP(2);
 }
 
+volatile int WAKE = 0;
 static void timer_callback() {
-  if (ontick.p) {
-    f_execcp(ontick);
+  if (adlib_read() & 0x20) {
+    WAKE = 1;
   }
 }
 
@@ -53,9 +54,35 @@ void f_keydown() {
   TOP().i = keyIsDown(TOP().i);
 }
 
-void do_repl(char *exe) {
-  char buf[128];
+char *gather_input() {
+  static char buf[128];
+  static int ibuf = 0;
 
+  if (bioskey(1)) {
+    int key = bioskey(0);
+    char ch = key & 0xff;
+    if (ch == 0x08) {
+      if (ibuf > 0) {
+	printf("%c %c", ch, ch);
+	ibuf --;
+      }
+    } else {
+      buf[ibuf] = ch;
+      ibuf ++;
+      if (ch == 0x0d) {
+	printf("\n");
+	buf[ibuf] = 0;
+	ibuf = 0;
+	return buf;
+      } else {
+	printf("%c", ch);
+      }
+    }
+  }
+  return NULL;
+}
+
+void do_repl(char *exe) {
   adlib_init();
 
   timer_init(TIMER_18HZ);
@@ -78,13 +105,55 @@ void do_repl(char *exe) {
   f_taskloop();
 
   while (!DONE) {
-    PUSHS(gets(buf));
+    char *buf = gather_input();
+    if (buf) {
+      PUSHS(buf);
       f_runstring("REPL send");
+    }
+    if (WAKE) {
+      WAKE = 0;
+      if (ontick.p != NULL) {
+	f_execcp(ontick);
+      }
+    }
     f_taskloop();
   }
 }
 
+#define RIGHT  0x01
+#define LEFT   0x02
+#define CTRL   0x04
+#define ALT    0x08
+
+void keything() {
+  int key, modifiers, done;
+  done = 0;
+  while (!done) {
+    /* function 1 returns 0 until a key is pressed */
+    while (bioskey(1) == 0);
+
+    /* function 0 returns the key that is waiting */
+    key = bioskey(0);
+
+    /* use function 2 to determine if shift keys were used */
+    modifiers = bioskey(2);
+    if (modifiers)
+    {
+      printf("[%#02x", modifiers);
+      if (modifiers & RIGHT) printf(" RIGHT");
+      if (modifiers & LEFT)  printf(" LEFT");
+      if (modifiers & CTRL)  printf(" CTRL");
+      if (modifiers & ALT)   printf(" ALT");
+      printf("]");
+    }
+    /* print out the character read */
+    printf("'%c' %#02x\n", key & 0xff, key);
+    if ((key & 0xff) == 'q') done = 1;
+
+  }
+}
 int main(int argc, char *argv[]) {
+//  keything();
   do_repl(argv[0]);
   return 0;
 }

jopl.jor

@@ -97,7 +97,7 @@ var songticks
 var notestate
 var octave
 : oct+ octave @ 12 * + ;
-: rest songticks @ begin dup songticks @ != until drop ;
+: rest songticks @ begin suspend dup songticks @ != until drop ;
 : beat begin dup songticks @ swap % 0 != while rest repeat drop ;
 : %O octave ! ;
 : %V voice ! ;
@@ -161,6 +161,53 @@ array tracks 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
   'name :track type bl swap type bl
   begin dup ub@ emit-cmd while 1 + repeat drop ;
 
+var textx
+var texty
+var textattr
+0x1f textattr !
+
+: out-direct ( c -- )
+  textattr @ 8 << |
+  texty @ 160 * textx @ 1 << +
+  0xb800 !far ;
+
+: clearline
+  textattr @ 8 <<
+  texty @ 80 * textx @ +
+  texty @ 1 + 80 *
+  for dup i 1 << 0xb800 !far next drop ;
+
+: +textx! ( n -- )
+  textx @ + dup 80 >= if drop cr else textx ! then ;
+: emit-direct ( c -- )
+  dup '\n' = if 0 textx ! 1 texty +! drop else
+  dup '\r' = if drop else
+  out-direct 1 +textx! then then ;
+
+: status
+  0 textx ! 0 texty !
+  s"  V: " type voice @ .
+  s"  O: " type octave @ .
+  s"  T: " type songticks @ .
+  clearline ;
+
+: emit-status-cmd ( ip -- ip )
+  dup ub@ swap 1 + swap
+  dup 0xf0 = if s" % " type then
+  dup 0xfd = if s" - " type then
+  dup 0xf0 < if dup emit-note then
+  dup 0xfe = if
+    16 textattr +!
+    swap @ emit-status-cmd swap
+    -16 textattr +!
+  then drop ;
+
+: showtrack ( n -- )
+  dup . s" : " type
+  track @ dup if 20 0 for emit-status-cmd next then drop
+  clearline ;
+
+: trackstatus cr voice @ showtrack ;
 
 var tempo 1 tempo !
 : player
@@ -178,7 +225,7 @@ var t2
   t2 @ 0x03 adlib!
   0x42 0x04 adlib! ;
 
-: ontick adlib@ 0x20 & if startt2 player then ;
+: ontick startt2 player status trackstatus ;
 
 : files findfile begin dup while yield findnext repeat ;
 
@@ -199,7 +246,7 @@ var t2
     75 key-pressed if -1 +voice! then
     77 key-pressed if 1 +voice! then
     r@ execute
-    rest
+    suspend
   repeat key-end rdrop ;
 
 : nextnote ( ip -- ip )
@@ -215,10 +262,12 @@ var t2
   dup if b! else drop drop then ;
 
 : record
+  0x4f textattr !
   :| ' setnote onkeynote
      41 key-pressed if 0xfd setnote then
      52 key-down if 0xf0 setnote then
-  |; dokeys ;
+  |; dokeys
+  0x1f textattr ! ;
 
 : jam
   :| ' noteon onkeynote
@@ -228,4 +277,5 @@ var t2
 :noname
   9 -1 for i voice ! default next
   startt2
+  ' emit-direct task-emit !
 ; ' onload redefine

kbd.c

@@ -19,7 +19,6 @@ static void interrupt kbd_isr() {
   char ctl;
 
   disable();
-  *((int far*)MK_FP(0xb800, 0)) = 0x0165;
 
   raw = inp(0x60);
   ctl = inp(0x61) | 0x82;
@@ -34,7 +33,6 @@ static void interrupt kbd_isr() {
   kbd_triggered = raw;
   outp(0x20, 0x20);
   enable();
-  *((int far*)MK_FP(0xb800, 0)) = 0x0166 + (raw % 4);
 }
 
 unsigned char kbd_wait() {

timer.c

@@ -13,13 +13,10 @@ static void (*callback)() = NULL;
 
 static void interrupt timer_isr() {
   disable();
-  *((int far*)MK_FP(0xb800, 2)) = 0x0165;
   timer_counter ++;
   if (callback) callback();
   enable();
-  *((int far*)MK_FP(0xb800, 2)) = 0x0166;
   oldTimerISR();
-  *((int far*)MK_FP(0xb800, 2)) = 0x0167;
 }
 
 void timer_setcallback(void (*cb)()) {