Search by property

This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

List of results

• ULA Control Port  + (Controls border color and base Spectrum audio settings.)

• Turbo Sound Next Control  + (Controls stereo channels and selects active sound chip and sound chip channel.)
• Video Line Interrupt Control Register  + (Controls the timing of raster interrupts and the ULA frame interrupt.)
• Datagear DMA Port  + (Controls zxnDMA chip)
• DAC B (left) mirror Register  + (DAC B mirror, read current I2S left MSB)
• DAC C (right) mirror Register  + (DAC C mirror, read current I2S right MSB)
• Default Tilemap Attribute Register  + (Default tile attribute for 8-bit only maps.)
• ULA Control Register  + (Disable ULA, controls ULA mixing/blending, enable ULA+)
• Divmmc Entry Points 0  + (DivMMC automap control)
• Divmmc Entry Points 1  + (DivMMC automap control)
• Divmmc Entry Points Valid 0  + (DivMMC entry point validity)
• DIVMMC  + (Divmmc control)
• ESP WiFi GPIO Output Register  + (ESP WiFi GPIO Output)
• ESP WiFi GPIO Register  + (ESP WiFi GPIO Read/Write)
• Pi Peripheral Enable Register  + (Enable Pi peripherals: UART, Pi hats, I2C, SPI)
• Alternate ROM  + (Enable alternate ROM or lock 48k ROM)
• Pi GPIO Output Enable Register  + (Enables GPIO pins output)
• Peripheral 2 Register  + (Enables [[CPU Speed control|CPU Speed key]], [[DivMMC]], [[Multiface]], [[Mouse]] and [[AY|AY audio]].)
• Layer 2 Access Port  + (Enables [[Layer 2]] and controls paging of layer 2 screen into lower memory.)
• Enhanced ULA Control Register  + (Enables or disables Enhanced ULA interpretation of attribute values and toggles active palette.)
• Sprite and Layers System Register  + (Enables/disables [[Sprites]] and [[Video_Modes#LoRes_Layer.2FRadasjimian_Mode|Lores Layer]], and chooses priority of sprites and [[Layer 2]].)
• Internal Port Decoding b16-23 Register  + (Enabling internal ports decoding)
• Internal Port Decoding b24-31 Register  + (Enabling internal ports decoding)
• Internal Port Decoding b8-15 Register  + (Enabling internal ports decoding)
• Internal Port Decoding b0-7 Register  + (Enabling internal ports decoding)
• Expansion Bus Control Register  + (Expansion bus controls)
• Expansion Bus Enable Register  + (Expansion bus enable/config)
• Pi GPIO Register  + (GPIO pins mapped to Next Register)
• Interrupt Status 2  + (Has UART interrupt happened?)
• Keymap High Data Register  + (High data to PS/2 Keymap (MSB of data in bit 0))