Updated examples

docs/stdlib/frequent.md

@@ -21,13 +21,19 @@ Available for: all computer targets.
 Reads a line from the console and returns a pointer to a null-terminated string.
 The string is valid only until next read from the console.
 
-Available for: Commodore 64 with `c64_basic` module.
+Available for:
+ZX Spectrum,
+Commodore 64 with `c64_basic` module,
+Commodore 16 or Plus/4 with `c264_basic`.
 
 #### `word readword()`
 
 Reads a 16-bit unsigned integer from the console.
 
-Available for: Commodore 64 with `c64_basic` module.
+Available for:
+ZX Spectrum,
+Commodore 64 with `c64_basic` module,
+Commodore 16 or Plus/4 with `c264_basic`.
 
 #### `void bell()`
 

examples/README.md

@@ -2,22 +2,18 @@
 
 ## Cross-platform examples
 
-* [Hello world](hello_world/hello_world.mfk) (C64/C16/PET/VIC-20/Atari/Apple II/BBC Micro/PC-88/Armstrad CPC) – simple text output
+* [Hello world](crossplatform/hello_world.mfk) (C64/C16/PET/VIC-20/Atari/Apple II/BBC Micro/ZX Spectrum/PC-88/Armstrad CPC) – simple text output
 
-* [Text encodings](c64/text_encodings.mfk) (C64/ZX Spectrum) – examples of text encoding features
+* [Text encodings](crossplatform/text_encodings.mfk) (C64/ZX Spectrum) – examples of text encoding features
 
-* [Bell](apple2/bell.mfk) (Apple II/ZX Spectrum) – a program that goes \*ding!\*
+* [Echo](crossplatform/echo.mfk) (C64/C16/ZX Spectrum)– simple text input and output
+
+* [Calculator](crossplatform/calculator.mfk) (C64/C16/ZX Spectrum) – simple numeric input and output
+
+* [Bell](crossplatform/bell.mfk) (Apple II/ZX Spectrum) – a program that goes \*ding!\*
 
 ## Commodore 64 examples
 
-### Console I/O examples
-
-* [Echo](c64/echo.mfk) – simple text input and output
-
-* [Calculator](c64/calculator.mfk) – simple numeric input and output
-
-* [Panic](c64/panic_test.mfk) – how panic works on C64, showing the address of where it happened
-
 ### Graphical examples
 
 * [Rasterbar](c64/rasterbar.mfk) – simple rasterbar effect
@@ -26,6 +22,10 @@
 
 * [Galencia starfield](c64/galencia.mfk) – a port of the starfield effect from the game *Galencia* 
 
+### Other examples
+
+* [Panic](c64/panic_test.mfk) – how panic works on C64, showing the address of where it happened
+
 ## Famicom/NES examples
 
 * [NES 101 tutorial example](nes/nestest.mfk) – a port of the tutorial example from the NES 101 tutorial by Michael Martin

examples/crossplatform/calculator.mfk

@@ -1,5 +1,14 @@
 import stdio
-import c64_basic
+
+#if CBM_64
+    import c64_basic
+#elseif CBM_264
+    import c264_basic
+#elseif ZX_SPECTRUM
+    // no imports needed
+#else
+    #error Unsupported platform
+#endif
 
 void main() {
     word a

examples/crossplatform/echo.mfk

@@ -1,5 +1,16 @@
-import c64_basic
+
+#if CBM_64
+    import c64_basic
+#elseif CBM_264
+    import c264_basic
+#elseif ZX_SPECTRUM
+    // no imports needed
+#else
+    #error Unsupported platform
+#endif
+
 import stdio
+
 void main() {
     while true {
         readline()