79 lines
2.7 KiB
Kotlin
79 lines
2.7 KiB
Kotlin
package com.smallhacker.disbrowser
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import com.smallhacker.disbrowser.asm.*
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import com.smallhacker.disbrowser.disassembler.Disassembler
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import com.smallhacker.disbrowser.util.jsonFile
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import com.smallhacker.disbrowser.util.toUInt24
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import java.nio.file.Paths
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import kotlin.reflect.KMutableProperty1
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private val RESET_VECTOR_LOCATION = address(0x00_FFFC)
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object Service {
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private val romName = "Zelda no Densetsu - Kamigami no Triforce (Japan)"
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private val romDir = Paths.get("""P:\Emulation\ROMs\SNES""")
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private val metaDir = Paths.get("""P:\Programming\dis-browser""")
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private val metaFile = jsonFile<Metadata>(metaDir.resolve("$romName.json"))
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private val metadata by lazy { metaFile.load() }
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private val romData = lazy {
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val path = romDir.resolve("$romName.sfc")
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RomData.load(path)
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}
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fun showDisassemblyFromReset(): HtmlNode? {
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val resetVectorLocation = RESET_VECTOR_LOCATION
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val initialAddress = Address(romData.value.getWord(resetVectorLocation.pc).toUInt24())
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val flags = VagueNumber(0x30u)
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return showDisassembly(initialAddress, flags)
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}
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fun showDisassembly(initialAddress: Address, flags: VagueNumber): HtmlNode? {
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val rom = romData.value
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val initialState = State(data = rom, address = initialAddress, flags = flags)
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val disassembly = Disassembler.disassemble(initialState, metadata, false)
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return print(disassembly, metadata)
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}
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private fun print(disassembly: Disassembly, metadata: Metadata): HtmlNode {
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val grid = Grid()
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disassembly.forEach {
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grid.add(it, metadata, disassembly)
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}
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disassembly.asSequence()
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.mapNotNull {
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it.linkedState
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?.let { link ->
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it.presentedAddress to link.address
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}
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}
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.sortedBy { it.first distanceTo it.second }
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.forEach { grid.arrow(it.first, it.second) }
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return html {
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head {
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title { text("Disassembly Browser") }
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link {}.attr("rel", "stylesheet").attr("href", "/resources/style.css")
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}
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body {
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grid.output().appendTo(parent)
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script().attr("src", "/resources/disbrowser.js")
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}
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}
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}
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fun updateMetadata(address: Address, field: KMutableProperty1<MetadataLine, String?>, value: String) {
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if (value.isEmpty()) {
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metadata[address]?.run {
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field.set(this, null)
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}
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} else {
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field.set(metadata.getOrAdd(address), value)
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}
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}
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}
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