check boolean array size mismatch.

check for weird string assignment.
check for X16 problematic cpu instructions rmb, smb, bbr, bbs.
tweak number node equality wrt bool type

codeCore/src/prog8/code/ast/AstExpressions.kt

@@ -250,7 +250,10 @@ class PtNumber(type: DataType, val number: Double, position: Position) : PtExpre
     override fun equals(other: Any?): Boolean {
         if(other==null || other !is PtNumber)
             return false
-        return number==other.number
+        else if(type!=DataType.BOOL && other.type!=DataType.BOOL)
+            return number==other.number
+        else
+            return type==other.type && number==other.number
     }
 
     operator fun compareTo(other: PtNumber): Int = number.compareTo(other.number)

codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt

@@ -7,6 +7,7 @@ import prog8.code.SymbolTable
 import prog8.code.SymbolTableMaker
 import prog8.code.ast.*
 import prog8.code.core.*
+import prog8.code.target.Cx16Target
 import prog8.codegen.cpu6502.assignment.*
 import java.util.*
 import kotlin.io.path.Path
@@ -223,7 +224,7 @@ class AsmGen6502Internal (
     internal val loopEndLabels = ArrayDeque<String>()
     private val zeropage = options.compTarget.machine.zeropage
     private val allocator = VariableAllocator(symbolTable, options, errors)
-    private val assemblyLines = mutableListOf<String>()
+    private val assembly = mutableListOf<String>()
     private val breakpointLabels = mutableListOf<String>()
     private val forloopsAsmGen = ForLoopsAsmGen(this, zeropage)
     private val postincrdecrAsmGen = PostIncrDecrAsmGen(program, this)
@@ -235,7 +236,7 @@ class AsmGen6502Internal (
 
     fun compileToAssembly(): IAssemblyProgram? {
 
-        assemblyLines.clear()
+        assembly.clear()
         loopEndLabels.clear()
 
         println("Generating assembly code... ")
@@ -243,15 +244,22 @@ class AsmGen6502Internal (
 
         if(errors.noErrors()) {
             val output = options.outputDir.resolve("${program.name}.asm")
+            val asmLines = assembly.asSequence().flatMapTo(mutableListOf()) { it.split('\n') }
+            if(options.compTarget.name==Cx16Target.NAME) {
+                scanInvalid65816instructions(asmLines)
+                if(!errors.noErrors()) {
+                    errors.report()
+                    return null
+                }
+            }
             if(options.optimize) {
-                val separateLines = assemblyLines.flatMapTo(mutableListOf()) { it.split('\n') }
-                assemblyLines.clear()
-                while(optimizeAssembly(separateLines, options.compTarget.machine, symbolTable)>0) {
+                while(optimizeAssembly(asmLines, options.compTarget.machine, symbolTable)>0) {
                     // optimize the assembly source code
                 }
-                output.writeLines(separateLines)
+                output.writeLines(asmLines)
             } else {
-                output.writeLines(assemblyLines)
+                // write the unmodified code
+                output.writeLines(assembly)
             }
             return AssemblyProgram(program.name, options.outputDir, options.compTarget)
         } else {
@@ -260,6 +268,22 @@ class AsmGen6502Internal (
         }
     }
 
+    private fun scanInvalid65816instructions(asmLines: MutableList<String>) {
+        // The CommanderX16 ships with a WDC 65C02 CPU or a WDC 65816 CPU
+        // The latter is compatible with the 65C02 except for 4 instructions: RMB, SMB, BBS, BBR.
+        // We cannot set a different 6502 CPU target for the 64tass assembler, because we still need to support the STP and WAI instructions...
+        // so we have to scan for these instructions ourselves.
+        val invalid = Regex("""\s*((rmb\s|smb\s|bbs\s|bbr\s)|(rmb[0-7]|smb[0-7]|bbs[0-7]|bbr[0-7]))""", RegexOption.IGNORE_CASE)
+        for((index, line) in asmLines.withIndex()) {
+            if(line.length>=4 && invalid.matchesAt(line, 0)) {
+                errors.err(
+                    "invalid assembly instruction used (not compatible with the 65816 CPU): ${line.trim()}",
+                    Position("<output-assemblycode>", index, 1, 1)
+                )
+            }
+        }
+    }
+
     internal fun isTargetCpu(cpu: CpuType) = options.compTarget.machine.cpu == cpu
 
     private var lastSourceLineNumber: Int = -1
@@ -283,9 +307,9 @@ class AsmGen6502Internal (
             for (line in fragment.splitToSequence('\n')) {
                 val trimmed = if (line.startsWith(' ')) "\t" + line.trim() else line
                 // trimmed = trimmed.replace(Regex("^\\+\\s+"), "+\t")  // sanitize local label indentation
-                assemblyLines.add(trimmed)
+                assembly.add(trimmed)
             }
-        } else assemblyLines.add(fragment)
+        } else assembly.add(fragment)
     }
 
     fun asmSymbolName(regs: RegisterOrPair): String =
@@ -1056,7 +1080,7 @@ $repeatLabel""")
         if(asm.isIR)
             throw AssemblyError("%asm containing IR code cannot be translated to 6502 assembly")
         else
-            assemblyLines.add(asm.assembly.trimEnd().trimStart('\r', '\n'))
+            assembly.add(asm.assembly.trimEnd().trimStart('\r', '\n'))
     }
 
     private fun translate(incbin: PtIncludeBinary) {

compiler/src/prog8/compiler/astprocessing/AstChecker.kt

@@ -1538,6 +1538,25 @@ internal class AstChecker(private val program: Program,
 
         when (targetDt) {
             DataType.STR -> return err("string value expected")
+            DataType.ARRAY_BOOL -> {
+                // value may be either a single byte, or a byte arraysize (of all constant values)\
+                if(value.type istype targetDt) {
+                    if(!checkArrayValues(value, targetDt))
+                        return false
+                    val arraySpecSize = arrayspec.constIndex()
+                    val arraySize = value.value.size
+                    if(arraySpecSize!=null && arraySpecSize>0) {
+                        if(arraySpecSize>256)
+                            return err("boolean array length must be 1-256")
+                        val expectedSize = arrayspec.constIndex() ?: return err("array size specifier must be constant integer value")
+                        if (arraySize != expectedSize)
+                            return err("initializer array size mismatch (expecting $expectedSize, got $arraySize)")
+                        return true
+                    }
+                    return err("invalid boolean array size, must be 1-256")
+                }
+                return err("invalid boolean array initialization value ${value.type}, expected $targetDt")
+            }
             DataType.ARRAY_UB, DataType.ARRAY_B -> {
                 // value may be either a single byte, or a byte arraysize (of all constant values), or a range
                 if(value.type istype targetDt) {
@@ -1687,6 +1706,9 @@ internal class AstChecker(private val program: Program,
             DataType.ARRAY_W, DataType.ARRAY_W_SPLIT -> {
                 correct = array.all { it in -32768..32767 }
             }
+            DataType.ARRAY_BOOL -> {
+                correct = array.all { it==0 || it==1 }
+            }
             DataType.ARRAY_F -> correct = true
             else -> throw FatalAstException("invalid array type $type")
         }
@@ -1730,6 +1752,9 @@ internal class AstChecker(private val program: Program,
         if((sourceDatatype== DataType.UWORD || sourceDatatype== DataType.WORD) && (targetDatatype== DataType.UBYTE || targetDatatype== DataType.BYTE)) {
             errors.err("cannot assign word to byte, use msb() or lsb()?", position)
         }
+        else if(sourceDatatype in IterableDatatypes && targetDatatype in ByteDatatypes) {
+            errors.err("cannot assign string or array to a byte", position)
+        }
         else if(sourceDatatype== DataType.FLOAT && targetDatatype in IntegerDatatypes)
             errors.err("cannot assign float to ${targetDatatype.name.lowercase()}; possible loss of precision. Suggestion: round the value or revert to integer arithmetic", position)
         else {

compiler/test/ast/TestVariousCompilerAst.kt

@@ -58,6 +58,21 @@ main {
         compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
     }
 
+    test("array init size mismatch error") {
+        val text="""
+main {
+    sub start() {
+        ubyte[10] uba = [1,2,3]
+        bool[10] bba = [true, false, true]
+    }
+}"""
+        val errors = ErrorReporterForTests()
+        compileText(C64Target(), false, text, writeAssembly = false, errors = errors) shouldBe null
+        errors.errors.size shouldBe 2
+        errors.errors[0] shouldContain "size mismatch"
+        errors.errors[1] shouldContain "size mismatch"
+    }
+
     test("invalid && operator") {
         val text="""
 main {

compilerAst/src/prog8/ast/expressions/AstExpressions.kt

@@ -558,7 +558,10 @@ class NumericLiteral(val type: DataType,    // only numerical types allowed
     override fun equals(other: Any?): Boolean {
         if(other==null || other !is NumericLiteral)
             return false
-        return number==other.number
+        else if(type!=DataType.BOOL && other.type!=DataType.BOOL)
+            return number==other.number
+        else
+            return type==other.type && number==other.number
     }
 
     operator fun compareTo(other: NumericLiteral): Int = number.compareTo(other.number)

docs/source/todo.rst

@@ -1,6 +1,11 @@
 TODO
 ====
 
+maze:   if cell & UP!=0 and @(celladdr(cx,cy-1)) & (WALKED|BACKTRACKED) ==0
+              ^^ adding this !=0 caused a weird beq + / lda #1 / +  to appear in front of the shortcircuit beq...
+
+make the breakpoint instruction selectable (BRK vs STP)
+
 ...
 
 

examples/test.p8

@@ -1,8 +1,9 @@
-%import textio
 %zeropage basicsafe
 %option no_sysinit
 
 main {
     sub start() {
+        ubyte[10] uba = [1,2,3]
+        bool[10] bba = [true, false, true]
     }
 }

gradle.properties

@@ -5,4 +5,4 @@ org.gradle.daemon=true
 kotlin.code.style=official
 javaVersion=11
 kotlinVersion=1.9.22
-version=10.0
+version=10.1-SNAPSHOT