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Demo
▸
Digital
Lab I/O (Z80 Soft)
LED blink…
OUT 0x40 → lab LED
Port TTY…
OUT 0x01 → console
Lab REG/COUNTER…
OUT 0x41 / 0x42 → Soft Lab
Spectrum
Spectrum 48K…
One-click ZX machine
Spectrum 128K…
Banking + AY
Export chip…
Export selection as chip…
Import chip…
Export PNG…
Export SVG…
Sessions
Switch session…
Rename session…
New session…
Clear circuit…
Reset all sessions…
Place
Transistors
N-MOS
4
P-MOS
5
Power & I/O
VCC
6
GND
7
Input
8
Port
O
Button
B
Switch
LED
E
7-seg display
S
Pulse generator
K
Logic analyzer…
Bus probe…
Bus switch…
Pass switch…
TTY console
Annotation
Probe
9
Net label
L
Insert
Building blocks
Register…
N-bit latched register
ALU…
Ripple-carry arithmetic unit
Program counter…
Inc / load / reset
Instruction register
8-bit opcode latch
Control FSM…
One-hot phase sequencer
Memory
ROM…
Editable byte array
Stub ROM…
Gate-level fixed content
RAM…
Read / write memory
Processors
Tiny CPU…
Teaching CPU (LDI / ADI)
Z80 CPU…
Real Z80 opcode subset
Library
Folded chips
All
Gates
Lab
74xx
User
No chips yet — fold a selection (Ctrl+G)
Edit
Fold selection…
⌃G
Unfold chip…
⌃⇧G
Find…
⌃F
Rename net…
⌃R
Duplicate
⌃D
Stamp×N…
⌃⇧V
View
Watch list…
⌃W
I/O map…
Toggle minimap
=
Help
Keyboard shortcuts…
?
Lab manual…
Tutorial…
Tutorial (latch)…
Tutorial (lab counter)…
Lab course…
Lab manual… for Soft Lab docs · ? for shortcuts
select
pan
wire
Run
Pause
Step
Soft Lab
−
100%
+
1:1
fit
R/⇧R rotate · M/⇧M flip · T tidy · ⌃Z/Y undo/redo · ? help · ⌃G fold · Run/Pause/Step