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ZX Spectrum Memory Map Explorer

Home Hardware Peripherals Software Publications Projects ZX Spectrum Memory Map Explorer Explore the memory layout of the ZX Spectrum and see how the CPU address space, physical RAM, dynamic memory areas and hardware expansions interact. Se ...

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ZX Printer Simulator | Mister Spectrum

Home Hardware Peripherals Software Publications Projects INCOMPLETE ZX Printer Simulator COPY SCREEN TEST PATTERN FEED STOP Condition: Clean Good Typical Worn Motor STOPPED Stylus OFF Encoder 0 / 256 Scan 0 Printer Bus Activity Address Bus ...

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ZX Spectrum+ 128K

```php ZX Spectrum+ 128K | Mister Spectrum Home Hardware Peripherals Software Publications Projects ZX Spectrum+ 128K Introduction The ZX Spectrum+ 128K was the most substantial development of the Spectrum carried out by Sinclair Research. ...

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ZX Spectrum Floating-Point Number Explorer

Home Hardware Peripherals Software Publications Projects INCOMPLETE ZX Spectrum Floating-Point Number Explorer Explore the ZX Spectrum's five-byte floating-point format and its short-integer format. Enter a number, change the hexadecimal by ...

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ZX Spectrum TAP Loader Simulator

```php ZX Spectrum TAP Loader Simulator | Mister Spectrum Home Hardware Peripherals Software Publications Projects INCOMPLETE ZX Spectrum TAP Loader Simulator Load a real .TAP file and watch, hear and visualise the tape signal as the ZX Spe ...

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A selection of routines for the ZX80 which simulate ZX Spectrum functions Home FOR..NEXT with STEP BIN LEN SGN SQR TAB VAL String Slicing Overview A suite of routines for converting ZX Spectrum statements to work on the ZX80. FOR..NEXT loop with STEP A fe

Home Hardware Peripherals Software Publications Projects A selection of routines for the ZX80 which simulate ZX Spectrum functions Overview A suite of routines for converting ZX Spectrum statements to work on the ZX80. FOR..NEXT loop with S ...

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ZX Spectrum Keyboard Matrix

Home Hardware Peripherals Software Publications Projects ZX Spectrum Keyboard Matrix The original ZX Spectrum keyboard consists of 40 keys arranged as eight half-rows of five keys. The keyboard is read through the ULA using the address and ...

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ZX Spectrum Sound Simulator

Home Hardware Peripherals Software Publications Projects INCOMPLETE ZX Spectrum Sound Simulator Explore the ZX Spectrum's BEEP and PLAY sound commands directly in your browser. ZX Spectrum BEEP Simulator Simulate the Standard ZX Spectrum's ...

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Page Revised: 07/09/2026