SCOPE Solution

DUAL STAIR

SCOPE ACT 3

In-game screenshot of DUAL STAIR
In-game view
FamilySCOPE Graph0.474 Difficulty0.474 Ring03 IDsc_a3_07_dual_stair

Prerequisites

BURST TAIL

Unlocks

CHECK DIGIT

Reference firmware sc_a3_07_dual_stair locked
Par power251 Par lines12 Par chips2

Objective

Both channels climb, but one moves in larger jumps.

Board Data

  • Window: 64
  • Pins: p0 OUT, p1 OUT
  • Channels: p0 ANALOG label=CH1_p0_DAC, p1 ANALOG label=CH2_p1_DAC
  • Peripherals: DAC data=p0 label=DAC_p0, DAC data=p1 label=DAC_p1
Firmware Solution 
loop:
      mov  r0, 16
      mov  r1, 64
step:
      out  p0, r0
      out  p1, r1
      slp  2
      add  r0, 16
      add  r1, 48
      cmp  r0, 80
      jnz  step
      jmp  loop
Board Definition 
# DUAL STAIR. ACT 3. SCOPE waveform board.
# TITLE DUAL STAIR
# OBJECTIVE Both channels climb, but one moves in larger jumps.
ID sc_a3_07_dual_stair
WINDOW 64
DIR p0 OUT
DIR p1 OUT
PERIPH DAC data=p0 label=DAC_p0
PERIPH DAC data=p1 label=DAC_p1
CHAN p0 ANALOG label=CH1_p0_DAC
CHAN p1 ANALOG label=CH2_p1_DAC
PAR power=251 lines=12 chips=2