#if CONFIG_IEC


iec_wait60us:

	// Wait 60usec

	// PAL:
	// - CPU frequency 0.985248 MHz, we need to waste at least 60 cycles
	// NTSC:
	// - CPU frequency 1.022727 MHz, we need to waste at least 62 cycles

	// Waste cycles in a loop

	ldy #$0A   // 2 cycles
!:	dey        // 2 cycles * 10
	bpl !-     // 3 cycles * 9  + 2 cycles
	rts        // 6 cycles

	//   6 cycles JSR to routine, 
    //  57 cycles routine with RTS
    //   1 cycle to fetch next instruction
    // ---
    //  64 cycles


#endif // CONFIG_IEC