GabrielTofvesson/Microcode
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Add support for program-memory initial-states in uASM file

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This commit is contained in:
GabrielTofvesson 2019-04-08 22:04:27 +02:00
parent cdc60b86d1
commit 2702d98253
1 changed files with 20 additions and 1 deletions
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21
microcompiler.kt
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@ -377,6 +377,7 @@ fun main(args: Array<String>){
var currentLine = 0
var lineCount = 0
val insns = ArrayList<MicroInstruction>()
println("@p")
for(line in file.readText().replace("\r", "").split("\n")){
++lineCount
try{
@ -388,9 +389,10 @@ fun main(args: Array<String>){
continue
}
// Define compile-time constant
if(actualCode.startsWith("#define ")){
val substr = actualCode.substring(8)
if(substr.indexOf(" ") == -1) throw RuntimeException("Bad constant definition format: $actualCode")
if(substr.indexOf(" ") == -1) throw RuntimeException("Bad compile-time constant definition: $actualCode")
val name = substr.substring(0, substr.indexOf(" "))
val value = substr.substring(substr.indexOf(" ") + 1).replace(" ", "").replace("\t", "")
try{
@ -402,6 +404,23 @@ fun main(args: Array<String>){
throw RuntimeException("Cannot parse constant: $actualCode")
}
}
// Define Program-Memory constants
if(actualCode.startsWith("#data ")){
fun err(): Nothing = throw RuntimeException("Bad program-memory state definition: $actualCode")
val substr = actualCode.substring(6)
if(substr.indexOf(" ") == -1) err()
val address = substr.substring(0, substr.indexOf(" "))
val constant = substr.substring(substr.indexOf(" ") + 1).replace(" ", "").replace("\t", "")
try{
println("@0x${readNumber(address, 255)}\n${readNumber(constant, 65535).or(1 shl 30).toString(16).substring(4)}")
}catch(e: NumberFormatException){
err()
}
continue
}
val instr = parseInstruction(actualCode)
if(instr == null) continue // Blank line