| Routines

1642: THE 'CHANNEL 'S' FLAG' SUBROUTINE

The address of this routine is derived from an offset found in the channel code lookup table.
CHAN_S | 1642 | RES 0,(IY+$02) | Signal 'using main screen' (reset bit 0 of TV-FLAG).
This entry point is used by the routine at CHAN_K.
CHAN_S_1 | 1646 | RES 1,(IY+$01) | Signal 'printer not being used' (reset bit 1 of FLAGS).
| 164A | JP TEMPS | Exit via TEMPS so as to set the colour system variables.