20 lines
584 B
Java
20 lines
584 B
Java
package sega.dreamcast.gdrom;
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import sega.dreamcast.gdrom.G1IF;
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import java.misc.Memory;
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public class GdromIF {
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// transfer_length is in bytes
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public static void startG1DMA(int start_address, int transfer_length) {
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int gdstar = start_address & ~(0b111 << 29);
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Memory.putU4(G1IF.GDAPRO, 0x8843407F);
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Memory.putU4(G1IF.G1GDRC, 0x00001001);
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Memory.putU4(G1IF.GDSTAR, gdstar);
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Memory.putU4(G1IF.GDLEN, transfer_length);
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Memory.putU4(G1IF.GDDIR, 1);
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Memory.putU4(G1IF.GDEN, 1);
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Memory.putU4(G1IF.GDST, 1);
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}
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}
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