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Apple Lisa Computer Pascal Apple’s Lisa Pascal developments began from scratch for Apple when it licensed in 1981 a Motorola 68000 native code Pascal compiler
by mmphosis 4y ago
Apple Lisa Computer Pascal
Apple’s Lisa Pascal developments began from scratch for Apple when it licensed in 1981 a Motorola 68000 native code Pascal compiler from Silicon Valley Software in California. This compiler was based upon the older P4 compiler from Niklaus Wirth of ETH in Switzerland and consisted of two general passes. Pass 1 produced I-Code, a low-level representation of the high-level Pascal constructs. Pass 2, the code generator, converted the I-Codes to optimized 68000 object code. Apple even considered early in the Lisa’s development using a custom Apple processor which would execute P-Code directly, but the expense of developing such a chip was too much for Apple’s accountants and this project was dropped.
http://pascal.hansotten.com/ucsd-p-system/apple-pascal/ http://pascal.hansotten.com/ucsd-p-system/apple-pascal/