added rasterbars example

examples/hello.p8

@@ -17,7 +17,7 @@
         str question = "How are you?\n"
 
         ; use iteration to write text
-        for ubyte char in question {
+        for ubyte char in question {            ; @todo fix iteration
             c64.CHROUT(char)
         }
 

examples/rasterbars.p8

@@ -0,0 +1,40 @@
+%import c64utils
+
+
+~ main {
+
+    sub start() {
+        c64.SCROLY &= %11101111     ; blank screen
+        c64utils.set_rasterirq_excl(40)
+
+dontstop:
+        goto dontstop
+
+    }
+}
+
+
+~ irq {
+
+    const ubyte barheight = 4
+    ubyte[13] colors = [6,2,4,5,15,7,1,13,3,12,8,11,9]
+    ubyte color =0
+    ubyte ypos = 0
+
+    sub irq() {
+        ubyte rasterpos=c64.RASTER
+        A=c64.SP0X      ; delay for align
+        A=c64.SP0X      ; delay for align
+        if color!=len(colors) {
+            c64.EXTCOL = colors[color]
+            c64.RASTER = rasterpos+barheight
+            color++
+        }
+        else {
+            ypos+=2
+            c64.EXTCOL = 0
+            c64.RASTER=sin8u(ypos)/2+40
+            color=0
+        }
+    }
+}

examples/wizzine.p8

@@ -60,7 +60,7 @@
             if msb(x) c64.MSIGX++
             c64.EXTCOL++
         }
-        c64.EXTCOL-=7       ; @todo for memory vars, this should not become more than 2 * dec but normal sbc instead
+        c64.EXTCOL-=7
 
     }
 

stackvm.sh

@@ -1,8 +1,7 @@
 #!/usr/bin/env sh
 
-PROG8_COMPILER_DIR=compiler
+PROG8CLASSPATH=./out/production/compiler
-PROG8CLASSPATH=${PROG8_COMPILER_DIR}/out/production/compiler
 KOTLINPATH=${HOME}/.IntelliJIdea2018.3/config/plugins/Kotlin
-LIBJARS=${KOTLINPATH}/lib/kotlin-stdlib.jar:${KOTLINPATH}/lib/kotlin-reflect.jar:${PROG8_COMPILER_DIR}/antlr/lib/antlr-runtime-4.7.1.jar
+LIBJARS=${KOTLINPATH}/lib/kotlin-stdlib.jar:${KOTLINPATH}/lib/kotlin-reflect.jar
 
 java -cp ${PROG8CLASSPATH}:${LIBJARS} prog8.StackVmMainKt $*