src/libultra/io/sp.c


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#include "ultra64.h"

u32 __osSpDeviceBusy(void) {
    register u32 status = IO_READ(SP_STATUS_REG);

    if (status & (SP_STATUS_DMA_BUSY | SP_STATUS_DMA_FULL | SP_STATUS_IO_FULL)) {
        return 1;
    }
    return 0;
}