SCOPE Solution

GRAY WALK

SCOPE ACT 5

In-game screenshot of GRAY WALK
In-game view
FamilySCOPE Graph0.800 Difficulty0.800 Ring05 IDsc_a5_05_gray_walk

Prerequisites

Digest Lock

Unlocks

CRUNCHER

Reference firmware sc_a5_05_gray_walk locked
Par power558 Par lines8 Par chips1

Objective

A counter and its shifted copy xor into a gray walk.

Board Data

  • Window: 80
  • Pins: p0 OUT
  • Channels: p0 ANALOG label=CH1_p0_DAC
  • Peripherals: DAC data=p0 label=DAC_p0
Firmware Solution 
loop:
      mov  r1, r0
      shr  r1, 1
      xor  r1, r0
      out  p0, r1
      slp  1
      inc  r0
      jmp  loop
Board Definition 
# GRAY WALK. ACT 5. SCOPE waveform board.
# TITLE GRAY WALK
# OBJECTIVE A counter and its shifted copy xor into a gray walk.
ID sc_a5_05_gray_walk
WINDOW 80
DIR p0 OUT
PERIPH DAC data=p0 label=DAC_p0
CHAN p0 ANALOG label=CH1_p0_DAC
PAR power=558 lines=8 chips=1