... t for the Lynx. OUT OUT m,n (Lynx & ZX Spectrum)Result: Outputs byte n to port m.Note: Executes the Z80A instruction OUT (c),a. As the Lynx and the ZX Spectrum use the same microprocessor (Z80A) the OUT statement will perform a similar task ...
... and TRS-80 CoCo, the 6809.The 6809 uses a completely different instruction set and registers to the Z80 used by the Spectrum so any machine code used within a BASIC program will have to be rewritten.Both the Dragon & TRS micros use a differ ...
... e one the BBC Micro uses).The 6502 uses a completely different instruction set and registers to the Z80 used by the Spectrum so any machine code used within a BASIC program will have to be rewritten.Both the Oric 1 & Atmos use a different v ...
Home Hardware Peripherals Software Publications Projects A Comparision of Keywords on the BBC Micro (Models A & B),the Acorn Electron and the ZX Spectrum Overview The following is a list of keywords, operators and delimiters used on the BBC ...
... top value. The machine code routine removes all values from the stack and should be terminated by a Z80 ‘RET’ instruction. CHANGE_ CHANGE_m,nResult : Changes attributes, the mask (m) is negated with each attribute byte; the data (n) is ...
Home Hardware Peripherals Software Publications Projects Comparison of BASIC Keywords Between ZX Spectrum and the Commodore 64 Overview The following is a list of keywords, operators and delimiters used on the Commodore 64 computer and the ...
... = parseFloat( document .getElementById("tapSpeed") .value ); let tstates = elapsed * 1000 * speed * Z80_CLOCK / 1000000; while( tstates > 0 && pulseIndex < pulseStream.length ) { if(pulseRemaining
... The Spectrum+ retained the fundamental hardware architecture of the 48K Spectrum. It used the same Z80A processor running at approximately 3.5 MHz, 48K of RAM and 16K of ROM containing the Spectrum's BASIC and operating routines. The displ ...
... to exist for the Atom. OUT OUT m,n (ZX Spectrum)Result: Outputs byte n to port m.Note: Executes the Z80A instruction OUT (c),a. The Atom utilises the 8255 Programmable Peripheral Interface Adapter for input and output. Port A is location #B ...
... after USP-BBP3. USP-PLOT - Prototyping board. USP-232D - A dual channel RS232 serial interface with Z80DART chip. Patch allows use of LPRINT and LLIST. Baud rate of 75 to 9600 with full handshaking. Includes terminal emulator and 50 page ma ...
... plane (BBP3) and 4-slot expansion backplane (BPE4). [1]USP-232DDual channel RS232 serial interface (Z80DART). Baud 75-9600. Includes terminal emulator. [1]USP-PRINTAssembled USP-I/O board with cable and software for Centronics printers. [2] ...
... of parallel I/O via an 8255.The BASIC ROM is switched out and replaced by the Forth ROM. Features a Z80 assembler for machine code FORTH definitions; a built-in terminal to support a modem and allow access to bulletin-board systems; a machi ...
... uilt-in cassette recorder, making it a much more complete home-computer system. The +2 retained the Z80 processor and the basic architecture of the 128K Spectrum, including its 128K of RAM and AY-3-8912 sound chip, while replacing the separ ...
... rum ROM area which allows games programmers to use the ZX Spectrum's full 64K memory allowed by the Z80A processor. £14.9527 28 Micro-Pad Programmable, no through port £23.002 Page Computing Programmable with rapid fire switch. £26.0024+ ...
... phone and demonstration tape. Up to 15 words can be recognised. Micro Command is powered by its own Z80A MPU which in turn has its own RAM and ROM. £49.9511 12 References 1. "Now make your Spectrum and ZX-81 Talk", Sinclair User, November ...
... being used in its new 128K environment. Hardware At the heart of the ZX Spectrum+ 128K was a Zilog Z80A processor running at approximately 3.55 MHz. The processor was essentially the same as that used in earlier Spectrums, but the surround ...