84 lines
3.1 KiB
Java
84 lines
3.1 KiB
Java
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package io.github.applecommander.acx;
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import java.util.function.Function;
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import java.util.logging.Logger;
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import com.webcodepro.applecommander.storage.Disk;
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import com.webcodepro.applecommander.storage.physical.ByteArrayImageLayout;
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import com.webcodepro.applecommander.storage.physical.DosOrder;
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import com.webcodepro.applecommander.storage.physical.ImageOrder;
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import com.webcodepro.applecommander.storage.physical.NibbleOrder;
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import com.webcodepro.applecommander.storage.physical.ProdosOrder;
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public enum OrderType {
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DOS(OrderType::createDosImageOrder),
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NIBBLE(OrderType::create140kNibbleImageOrder),
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PRODOS(OrderType::createProdosImageOrder);
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private static Logger LOG = Logger.getLogger(OrderType.class.getName());
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private Function<Integer,ImageOrder> createImageOrderFn;
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private OrderType(Function<Integer,ImageOrder> createImageOrderFn) {
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this.createImageOrderFn = createImageOrderFn;
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}
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public ImageOrder createImageOrder(int size) {
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return createImageOrderFn.apply(size);
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}
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/**
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* At this time, the various DOS disks only support 140K or 800K disks and
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* we have to rely on the SystemType to actually evaluate the correct size.
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*/
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static ImageOrder createDosImageOrder(int size) {
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if (size < Disk.APPLE_140KB_DISK) {
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LOG.warning("Setting image size to 140KB.");
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size = Disk.APPLE_140KB_DISK;
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}
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else if (size == Disk.APPLE_140KB_DISK) {
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// Size is valid; don't warn and don't bump to 800K.
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}
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else if (size != Disk.APPLE_800KB_DISK) {
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LOG.warning("Setting image size to 800KB.");
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size = Disk.APPLE_800KB_DISK;
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}
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ByteArrayImageLayout layout = new ByteArrayImageLayout(new byte[size]);
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return new DosOrder(layout);
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}
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/**
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* Nibblized disks are always 140K disks (or ~230K on disk).
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*/
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static ImageOrder create140kNibbleImageOrder(int size) {
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if (size != Disk.APPLE_140KB_NIBBLE_DISK && size != Disk.APPLE_140KB_DISK) {
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LOG.warning("Setting image size to 140KB");
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}
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ByteArrayImageLayout layout = new ByteArrayImageLayout(new byte[Disk.APPLE_140KB_NIBBLE_DISK]);
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return new NibbleOrder(layout);
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}
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/**
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* Lock ProDOS into 140K, 800K, or anything between 800K and 32M.
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* This means you _could_ setup a 807KB disk if you wanted.
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*/
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static ImageOrder createProdosImageOrder(int size) {
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if (size < Disk.APPLE_140KB_DISK) {
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LOG.warning("Setting image size to 140KB.");
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size = Disk.APPLE_140KB_DISK;
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}
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else if (size == Disk.APPLE_140KB_DISK) {
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// Size is valid; don't warn and don't bump to 800K.
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}
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else if (size < Disk.APPLE_800KB_DISK) {
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LOG.warning("Setting image size to 800KB.");
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size = Disk.APPLE_800KB_DISK;
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}
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else if (size > Disk.APPLE_32MB_HARDDISK) {
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LOG.warning("Setting image size to 32MB.");
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size = Disk.APPLE_32MB_HARDDISK;
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}
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ByteArrayImageLayout layout = new ByteArrayImageLayout(size);
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return new ProdosOrder(layout);
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}
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}
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