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# 4510 opcodes
eom_imp
inhibit_interrupts = false; // before or after prefetch?
prefetch();
map_imp
inhibit_interrupts = true;
map_offset[0] = (A<<8) | ((X & 0xf) << 16);
map_offset[1] = (Y<<8) | ((Z & 0xf) << 16);
map_enable = ((X & 0xf0) >> 4) | (Z & 0xf0);
prefetch();
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