Returns true if both conditions on either side of the AND keyword are true, else returns false On the 16K/48K ZX Spectrum, there are 88 keywords in Sinclair BASIC, denoting commands (of which there are 50), functions and logical operators (31), and other keywords (16, including 9 which are also commands or functions):
New BASIC programmers might start with a simple program, perhaps using the language's PRINT statement to display a message on the screen a well-known and often-replicated example is Kernighan and Ritchie's Hello world program:ġ0 PRINT "Hello, World!" Keywords It is present in all ZX Spectrum compatibles.Īs of 2015, interpreters exist for modern operating systems, and older systems, that allow Sinclair Basic to be used easily.
SINCLAIR ZX81 EMULATOR WINDOWW UPGRADE
It evolved through the floating-point 8K BASIC for the ZX81 and TS1000 (which was also available as an upgrade for the ZX80 ), and became an almost complete version in the 16 KB ROM ZX Spectrum. It was initially an incomplete implementation of the 1978 American National Standards Institute (ANSI) minimal BASIC standard with integer arithmetic only, termed the 4K BASIC (for its ROM size) for the ZX80.
The programmers were John Grant, the owner of Nine Tiles, and Steve Vickers. Sinclair BASIC was originally developed in 1979 for the ZX80 by Nine Tiles. 4.3 Derivatives and successors for other computers.4.2 Compilers for the ZX Spectrum family.4.1 Interpreters for the ZX Spectrum family.4 Other versions, extensions, derivatives and successors.
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