Beta 3

3.aut

@@ -1,4 +1,4 @@
 @echo off
 del autoexec.bat
-if exist _PyDexec._PyD rename _PyDexec._PyD autoexec.bat
+if exist _autoexec._PyD rename _autoexec._PyD autoexec.bat
 type menu.txt

3.bat

@@ -1,5 +1,7 @@
 @echo off
-if exist autoexec.bat copy/y autoexec.bat _PyDexec._PyD
+if exist _autoexec._PyD goto skip
+if exist autoexec.bat rename autoexec.bat _autoexec._PyD
+:skip
 copy/y 3.aut autoexec.bat
 runvm /PyBasic/PyBasic adventure-fast.pgm
 menu.bat

PyBasic/basicparser.py

@@ -27,7 +27,7 @@
     pass
 try:
     from pydos_hw import sndPin as hwsndPin
-    from pydos_hw import sndGPIO, quietSnd
+    from pydos_hw import Pydos_hw, quietSnd
     sndPin = hwsndPin
 except:
     sndPin = None
@@ -124,15 +124,19 @@ def __init__(self):
         #file handle list
         self.__file_handles = {}
 
+        self.__pwm = None
         if implementation.name.upper() == 'MICROPYTHON':
             if sndPin:
                 try:
                     self.__pwm = PWM(sndPin,freq=0)
                 except:
-                    self.__pwm = PWM(sndPin)
+                    try:
+                        self.__pwm = PWM(sndPin)
+                    except:
+                        pass
                 if 'duty_u16' in dir(self.__pwm):
                     self.__pwm.duty_u16(0)
-                else:
+                elif 'duty' in dir(self.__pwm):
                     self.__pwm.duty(0)
 
 
@@ -893,7 +897,7 @@ def __soundstmt(self):
             volume = 800
 
         if implementation.name.upper() == 'MICROPYTHON':
-            if sndPin:
+            if sndPin and self.__pwm:
                 self.__pwm.freq(freq)
                 if "duty_u16" in dir(self.__pwm):
                     self.__pwm.duty_u16(volume)
@@ -906,8 +910,8 @@ def __soundstmt(self):
         elif implementation.name.upper() == 'CIRCUITPYTHON':
             if sndPin:
                 try:
-                    sndGPIO.deinit() # Workaround for ESP32-S2 GPIO issue
-                    audioPin = PWMOut(sndPin, duty_cycle=volume, frequency=freq, variable_frequency=True)
+                    Pydos_hw.sndGPIO.deinit() # Workaround for ESP32-S2 GPIO issue
+                    audioPin = PWMOut(sndPin, duty_cycle=volume, frequency=freq)
                     sleep(duration/18.2)
                     audioPin.deinit()
                     quietSnd() # Workaround for ESP32-S2 GPIO issue

PyBasic/fractal.bas

@@ -0,0 +1,19 @@
+10 FOR Y = - 12 TO 12
+20 FOR X = - 39 TO 30
+30 CA = X * 0.0458
+40 CB = Y * 0.08333
+50 A = CA
+60 B = CB
+70 FOR I = 0 TO 15
+80 T = A * A - B * B + CA
+90 B = 2 * A * B + CB
+100 A = T
+110 IF ( A * A + B * B ) > 5 THEN GOTO 200
+120 NEXT I
+130 PRINT " " ;
+140 GOTO 210
+200 IF I > 9 THEN I = I + 7
+205 PRINT CHR$ ( 48 + I ) ;
+210 NEXT X
+220 PRINT
+230 NEXT Y