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TAV: videotex mode; TSVM documentation fix

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This commit is contained in:
minjaesong
2025-11-21 16:53:35 +09:00
parent a61a21d28b
commit 2533b2dc19
7 changed files with 794 additions and 22 deletions
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4
tsvm_core/src/net/torvald/tsvm/VM.kt
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@@ -667,8 +667,8 @@ class VM(
val fromDev = getDev(from, len, false)
val toDev = getDev(to, len, true)
// println("from = $from, to = $to")
// println("fromDev = $fromDev, toDev = $toDev")
// System.err.println("[VM.memcpy] from = $from, to = $to")
// System.err.println("[VM.memcpy] fromDev = $fromDev, toDev = $toDev")
if (fromDev != null && toDev != null)
UnsafeHelper.memcpy(fromDev, toDev, len)

19
tsvm_core/src/net/torvald/tsvm/VMJSR223Delegate.kt
View File

@@ -4,6 +4,7 @@ import net.torvald.UnsafeHelper
import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.toUint
import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.toUlong
import net.torvald.tsvm.peripheral.*
import kotlin.math.absoluteValue
/**
* Pass the instance of the class to the ScriptEngine's binding, preferably under the namespace of "vm"
@@ -14,14 +15,22 @@ class VMJSR223Delegate(private val vm: VM) {
(from in start..end && (from + len) in start..end)
private fun getDev(from: Long, len: Long, isDest: Boolean): Long? {
return if (from >= 0) vm.usermem.ptr + from
// System.err.print("getDev(from=$from, len=$len, isDest=$isDest) -> ")
return if (from >= 0) {
// System.err.println("USERMEM offset=$from")
vm.usermem.ptr + from
}
// MMIO area
else if (from in -1048576..-1 && (from - len) in -1048577..-1) {
val fromIndex = (-from-1) / 131072
val fromIndex = ((-from-1) / 131072).absoluteValue
val dev = vm.peripheralTable[fromIndex.toInt()].peripheral ?: return null
val fromRel = (-from-1) % 131072
if (fromRel + len > 131072) return null
// System.err.println("MMIO dev=${dev.typestring}, fromIndex=$fromIndex, fromRel=$fromRel")
return if (dev is IOSpace) {
if (relPtrInDev(fromRel, len, 1024, 2047)) dev.peripheralFast.ptr + fromRel - 1024
else if (relPtrInDev(fromRel, len, 4096, 8191)) (if (isDest) dev.blockTransferTx[0] else dev.blockTransferRx[0]).ptr + fromRel - 4096
@@ -50,6 +59,8 @@ class VMJSR223Delegate(private val vm: VM) {
val fromRel = (-from-1) % 1048576
if (fromRel + len > 1048576) return null
// System.err.println("MEMORY dev=${dev.typestring}, fromIndex=$fromIndex, fromRel=$fromRel")
return if (dev is AudioAdapter) {
if (relPtrInDev(fromRel, len, 0, 114687)) dev.sampleBin.ptr + fromRel - 0
else null
@@ -111,8 +122,8 @@ class VMJSR223Delegate(private val vm: VM) {
val fromDev = getDev(from, len, false)
val toDev = getDev(to, len, true)
// println("from = $from, to = $to")
// println("fromDev = $fromDev, toDev = $toDev")
// System.err.println("[sys.memcpy] from = $from, to = $to")
// System.err.println("[sys.memcpy] fromDev = $fromDev, toDev = $toDev")
if (fromDev != null && toDev != null)
UnsafeHelper.memcpy(fromDev, toDev, len)