Property: ShortDesc
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This is a property of type Text.
- Description
- Short text description. (en)
D
Controls zxnDMA chip +
DAC B mirror, read current I2S left MSB +
DAC C mirror, read current I2S right MSB +
Default tile attribute for 8-bit only maps. +
U
Disable ULA, controls ULA mixing/blending, enable ULA+ +
D
E
ESP WiFi GPIO Output +
ESP WiFi GPIO Read/Write +
P
Enable Pi peripherals: UART, Pi hats, I2C, SPI +
A
Enable alternate ROM or lock 48k ROM +
P
Enables GPIO pins output +
Enables [[CPU Speed control|CPU Speed key]], [[DivMMC]], [[Multiface]], [[Mouse]] and [[AY|AY audio]]. +
L
Enables [[Layer 2]] and controls paging of layer 2 screen into lower memory. +
E
Enables or disables Enhanced ULA interpretation of attribute values and toggles active palette. +
S
Enables/disables [[Sprites]] and [[Video_Modes#LoRes_Layer.2FRadasjimian_Mode|Lores Layer]], and chooses priority of sprites and [[Layer 2]]. +
I
Enabling internal ports decoding +
Enabling internal ports decoding +
Enabling internal ports decoding +
Enabling internal ports decoding +
E
Expansion bus controls +
Expansion bus enable/config +
P
GPIO pins mapped to Next Register +
K
High data to PS/2 Keymap (MSB of data in bit 0) +
C
Holds high byte of [[Copper]] control flags. +
Holds low byte of [[Copper]] control bits. +
A
Holds the MSB (only, as bit 0) of the raster line currently being drawn. +
V
Holds the eight LSBs of the line on which a raster interrupt should occur. +
A
Holds the eight LSBs of the raster line currently being drawn. +
M
Identifies [[TBBlue]] board type. Should always be 10 on Next. +
C
Identifies core (FPGA image) version (sub minor number). +
Identifies core (FPGA image) version. +
M
Identifies timing and machine type. +
N
Identifies type of last reset. Can be written to force reset. +
C
In config mode, allows RAM to be mapped to ROM area. +
T
Index into Tilemap palette (of "transparent" colour). +
S
Index into sprite palette (of "transparent" colour). +
K
Kempston interface second joystick variant and controls joystick I/O. +
L
Layer 2 resolution, palette offset +
D
Layer2, ULA shadow, Timex $FF port +
L
LoRes Radastan mode +
K
Low eight LSBs of PS/2 Keymap data. +
E
Monitoring internal I/O or adding external keyboard +
P
Mouse buttons and DPI config +
S
Nextreg port-mirror to write directly into "byte 5" of [[:Sprite Attribute Upload|Sprite Attribute Upload]] ($xx57 / 87). +
Nextreg port-mirror to write directly into "byte 2" of [[:Sprite Attribute Upload|Sprite Attribute Upload]] ($xx57 / 87). +
Nextreg port-mirror to write directly into "byte 1" of [[:Sprite Attribute Upload|Sprite Attribute Upload]] ($xx57 / 87). +
Nextreg port-mirror to write directly into "byte 3" of [[:Sprite Attribute Upload|Sprite Attribute Upload]] ($xx57 / 87). +
Nextreg port-mirror to write directly into "byte 4" of [[:Sprite Attribute Upload|Sprite Attribute Upload]] ($xx57 / 87). +
V
Offset numbering of raster lines in copper/interrupt/active register +
S
Output to SpecDrum DAC. +