GUI Chipset

Chipset Panel

Controls the emulation of the Amiga's custom chipset generation, cycle-exact timing, keyboard controller, blitter behavior, collision detection, and genlock.

Chipset

Chipset Type

Selects the chipset generation to emulate:

• A1000 (No EHB) — Original A1000 chipset without Extra Half-Brite mode
• A1000 — Original A1000 chipset with EHB support
• OCS + OCS Denise — Original Chip Set with original Denise; standard A500/A2000
• OCS + ECS Denise — Original Agnus with Enhanced Chip Set Denise
• ECS + OCS Denise — Enhanced Chip Set Agnus with original Denise
• Full ECS — Full Enhanced Chip Set; used in A600/A3000
• AGA — Advanced Graphics Architecture; used in A1200/A4000/CD32

NTSC

• Enables NTSC video mode (60 Hz) instead of the default PAL (50 Hz)

Cycle Exact (Full)

• Enables full cycle-accurate emulation of the CPU and custom chips
• Bit-perfect emulation; required for some demos and copy-protected games
• Significantly increases host CPU usage
• Automatically enables DMA/Memory cycle-exact mode and disables JIT

Cycle Exact (DMA/Memory)

• Enables cycle-accurate DMA and memory access emulation without full CPU cycle-exact mode
• Only available for 68020 and higher CPU models
• Disables JIT and immediate blitter when enabled

Keyboard

Keyboard controller

• Selects the keyboard controller emulation mode:
  • Keyboard disconnected — No keyboard attached
  • UAE High level emulation — Software-level keyboard emulation (default)
  • A500 / A500+ (6500-1 MCU) — Hardware MCU emulation for A500/A500+
  • A600 (6570-036 MCU) — Hardware MCU emulation for A600
  • A1000 (6500-1 MCU) — Hardware MCU emulation for A1000
  • A1000 (6570-036 MCU) — Alternative A1000 MCU emulation
  • A1200 (68HC05C MCU) — Hardware MCU emulation for A1200
  • A2000 (Cherry, 8039 MCU) — Hardware MCU emulation for A2000 Cherry keyboard
  • A2000/A3000/A4000 (6570-036 MCU) — Hardware MCU emulation for A2000/A3000/A4000
• Entries marked [ROM not found] require a keyboard MCU ROM file to function

Keyboard N-key rollover

• Allows multiple simultaneous key presses to be registered correctly
• Automatically enabled for UAE HLE and A2000 Cherry keyboard modes

Options

Immediate Blitter

• Blitter operations complete instantly without waiting for DMA cycles
• Faster but less accurate; incompatible with cycle-exact emulation
• Disables "Wait for Blitter" when enabled

Wait for Blitter

• The CPU waits for the blitter to finish before continuing
• More compatible than Immediate Blitter for software that does not properly poll blitter status
• Disabled when Immediate Blitter is active or cycle-exact DMA is enabled

Multithreaded Denise

• Runs Denise (graphics chip) emulation on a separate thread
• Improves performance on multi-core systems

Optimizations

• Controls chipset emulation optimizations:
  • Full — All optimizations enabled; best compatibility (recommended)
  • Partial — Some optimizations disabled
  • None — All optimizations disabled; slowest

Chipset Extra

• Selects a specific machine's chipset behavior preset:
  • Custom, Generic, CDTV, CDTV-CR, CD32, A500, A500+, A600, A1000, A1200, A2000, A3000, A3000T, A4000, A4000T, Velvet, Casablanca, DraCo
• Selecting a preset applies the appropriate chipset register defaults for that machine

Monitor sync source

• Selects the synchronization signal source for the emulated monitor:
  • Combined — Uses a combined sync signal
  • CSync — Uses composite sync
  • H/VSync — Uses separate horizontal and vertical sync signals

Video port display hardware

• Selects special display hardware connected to the Amiga's video port
• Options include autodetect and various specialized monitor types

Collision Level

Controls how hardware sprite and playfield collision detection is emulated:

• None — Disables all collision detection; fastest, but breaks games that rely on collisions
• Sprites only — Detects sprite-to-sprite collisions only
• Sprites and Sprites vs. Playfield — Detects sprite-to-sprite and sprite-to-playfield collisions; the standard setting for most games
• Full (rarely needed) — Full collision detection including playfield-to-playfield; slowest and rarely required

Genlock

Genlock connected

• Simulates a genlock device connected to the Amiga's video output
• Enables video overlay mixing between the Amiga display and an external video source

Genlock source

• Selects the genlock video source:
  • - — No source
  • Noise (built-in) — Simulated noise signal
  • Test card (built-in) — Built-in test card image
  • Image file (png) — A static PNG/JPG/BMP image file
  • Video file — A video file (AVI, MP4, MKV)
  • Capture device — A host video capture device
  • American Laser Games/Picmatic LaserDisc Player — LaserDisc player emulation
  • Sony LaserDisc Player — Sony LaserDisc player emulation
  • Pioneer LaserDisc Player — Pioneer LaserDisc player emulation

Genlock mix

• Sets the transparency level of the genlock overlay from 100% (fully opaque) to 0% (fully transparent)

Include alpha channels in screenshots and video captures

• Preserves the genlock alpha channel when taking screenshots or recording video

Keep aspect ratio

• Maintains the aspect ratio of the genlock source image or video when scaling

Genlock File

• Path to the image or video file used as the genlock source
• A ... browse button opens a file picker filtered to supported formats