... tmos is an upgraded version of the Oric 1 with a new ROM and keyboard.The Oric machines utilise the 6502 microprocessor (The same one the BBC Micro uses).The 6502 uses a completely different instruction set and registers to the Z80 used by ...
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 ...
... of the OPEN # keyword. OUT OUT m,nResult: Outputs byte n to port m. Not on the Commodore 64 as the 6502 processor is memory mapped for I/O devices. OVER OVER nResult: If n=0 then permanent overprinting is turned off. If n=1 permanent overp ...
... 0 and 255 for the port m. IN and ? both perform a similar task, however the Acorn Atom utilises the 6502 microprocessor so results will be different.See also: OUT, ? (Indirection Operator) INT(ZX Spectrum) % (Percent sign)(Acorn Atom FP-ROM ...
... and data buses. Address format: DEC HEX Address Port D0 D1 D2 D3 D4 A8 65278 CAPS SHIFT Z X C V A9 65022 A S D F G A10 64510 Q W E R T A11 63486 1 2 3 4 5 A12 61438 0 9 8 7 6 A13 57342 P O I U Y A14 49150 ENTER L K J H A15 32766 SPACE SYMB ...