Re: Language/Compiler for 8/16 bit processor?

davidm@questor.rational.com (David Moore)
Tue, 25 Jan 1994 00:39:04 GMT

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Newsgroups: comp.compilers
From: davidm@questor.rational.com (David Moore)
Keywords: design, architecture
Organization: Rational
References: 94-01-081 94-01-087
Date: Tue, 25 Jan 1994 00:39:04 GMT

mago@legba.sunmexico.Sun.COM (Gerardo Horvilleur) writes:
>Where can I find information on languages designed for simple 8 bits
>processors?


bazyar@netcom.com (Jawaid Bazyar) writes:
> Most 8-bit high-level languages opted for a P-Code approach.




This is, I think, true of the 6502. However, on the Z80 chips, Turbo
Pascal, BDS C (I believe the initials were), Pascal MT+ and my Modula-2
compiler generated machine code. These were all commercially available
compilers.


The Z80 had two "pointer" registers (IX and IY) which made the compiler
writer's life a lot easier. It also had some 16 bit arithmetic operations.
Just as importantly, there were register move instructions. The 6800, and
I think also the 6502, required you to store values in memory and reload
them to move them between registers.
--

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