//
// Official Kernal routine, described in:
//
// - [RG64] C64 Programmer's Reference Guide   - page 282
// - [CM64] Compute's Mapping the Commodore 64 - page 230
//
// CPU registers that has to be preserved (see [RG64]): .Y
//


CLRCHN:

#if CONFIG_IEC
	jsr clrchn_iec
#else
	nop // just to prevent double label
#endif

	// FALLTROUGH

clrchn_reset: // entry needed by setup_vicii

	// Set input device number to keyboard
	lda #$00
	sta DFLTN

	// Set output device number to screen
	lda #$03
	sta DFLTO

	rts