rework in CBDOS

src/dos_m65/msg_tksa.s

@@ -0,0 +1,22 @@
+
+;
+; Implementation of TKSA commands.
+; For detailed description see 'm65dos_bridge.s' file.
+;
+
+
+msg_TKSA:
+
+	jsr dos_ENTER
+
+	and #$0F                   ; support channels 0-15, like 1541 drive
+
+	ldx IDX1_TALKER
+	bmi msg_TKSA_done          ; do nothing if no taalker
+	sta XX_CHANNEL, x          ; store channel
+
+	; FALLTROUGH
+
+msg_TKSA_done:
+
+	jmp dos_EXIT