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ZSPL language, anyone heard of it?
Why do we use caret (^) as the symbol for ctrl/control?P′′ Language Interpreter/Compiler ResourcesWhich tools were used to create the C language?Why were the / (min) and the / (max) operators abandoned in the C language?What was the first language compiler to support subtype polymorphism?
While reading the Byte sieve article (Gilbreath 1981), I came across a language I have never heard of, ZSPL.
I suspected this was actually a specific version of another language, perhaps PL/1. However, the listing shows it most closely resembling Algol/Pascal.
Has anyone heard of this language before? It does not appear on the wiki nor the taxonomies of languages that I can find.
I have seen references to similar names, but they are not related: there is a zSPL system for programming the C64's SID and another for NonStop systems.
- Jim Gilbreath (September 1981). "A High-Level Language Benchmark". BYTE. pp. 180–198.
compilers
edited May 2 at 12:52
JdeBP
49727
asked May 2 at 11:25
Maury MarkowitzMaury Markowitz
3,053628
|
show 1 more comment
While reading the Byte sieve article (Gilbreath 1981), I came across a language I have never heard of, ZSPL.
I suspected this was actually a specific version of another language, perhaps PL/1. However, the listing shows it most closely resembling Algol/Pascal.
Has anyone heard of this language before? It does not appear on the wiki nor the taxonomies of languages that I can find.
I have seen references to similar names, but they are not related: there is a zSPL system for programming the C64's SID and another for NonStop systems.
- Jim Gilbreath (September 1981). "A High-Level Language Benchmark". BYTE. pp. 180–198.
compilers
edited May 2 at 12:52
JdeBP
49727
asked May 2 at 11:25
Maury MarkowitzMaury Markowitz
3,053628
1
It looks Algol-ish, but curiously it has no Boolean type, nor built-in true/false constants. It has a 'printf' which may indicate it's post-Algol 68 (the first language I know with a procedure called 'printf', as distinct from built-in features like Fortran formats). On the other hand, decimal conversion is "%d" like C, and CR-LF is "&M&J", not like C (and implying ASCII).
– another-dave
May 2 at 11:53
Could you put a link in the question? It also sounds like some sample code is available; that would also be useful in the question.
– Dr Sheldon
May 2 at 11:58
1
I recommend reading page 198.
– JdeBP
May 2 at 11:58
Looks a lot like PLZ/SYS, which was a systems programming language from Zilog. Back in the day, I did a lot of work on Z8000 Unix systems, and I remember the PLZ manual coming with each one. It looked like a cool language but I never had a need to use it.
– mannaggia
May 2 at 14:00
1
Looks like a home brew language that didn't take off - pg 198 has a reference to ZSPL - Peter D Ridley, 3321 Byron St, San Diego, CA 92106. Looks like the home address of the inventor of the language at that time.
– cup
May 2 at 14:47
|
show 1 more comment
While reading the Byte sieve article (Gilbreath 1981), I came across a language I have never heard of, ZSPL.
I suspected this was actually a specific version of another language, perhaps PL/1. However, the listing shows it most closely resembling Algol/Pascal.
Has anyone heard of this language before? It does not appear on the wiki nor the taxonomies of languages that I can find.
I have seen references to similar names, but they are not related: there is a zSPL system for programming the C64's SID and another for NonStop systems.
- Jim Gilbreath (September 1981). "A High-Level Language Benchmark". BYTE. pp. 180–198.
compilers
edited May 2 at 12:52
JdeBP
49727
asked May 2 at 11:25
Maury MarkowitzMaury Markowitz
3,053628
While reading the Byte sieve article (Gilbreath 1981), I came across a language I have never heard of, ZSPL.
I suspected this was actually a specific version of another language, perhaps PL/1. However, the listing shows it most closely resembling Algol/Pascal.
Has anyone heard of this language before? It does not appear on the wiki nor the taxonomies of languages that I can find.
I have seen references to similar names, but they are not related: there is a zSPL system for programming the C64's SID and another for NonStop systems.
- Jim Gilbreath (September 1981). "A High-Level Language Benchmark". BYTE. pp. 180–198.
compilers
compilers
edited May 2 at 12:52
JdeBP
49727
asked May 2 at 11:25
Maury MarkowitzMaury Markowitz
3,053628
edited May 2 at 12:52
JdeBP
49727
asked May 2 at 11:25
Maury MarkowitzMaury Markowitz
3,053628
edited May 2 at 12:52
JdeBP
49727
edited May 2 at 12:52
JdeBP
49727
edited May 2 at 12:52
JdeBP
49727
49727
asked May 2 at 11:25
Maury MarkowitzMaury Markowitz
3,053628
asked May 2 at 11:25
Maury MarkowitzMaury Markowitz
3,053628
asked May 2 at 11:25
Maury MarkowitzMaury Markowitz
3,053628
3,053628
1
It looks Algol-ish, but curiously it has no Boolean type, nor built-in true/false constants. It has a 'printf' which may indicate it's post-Algol 68 (the first language I know with a procedure called 'printf', as distinct from built-in features like Fortran formats). On the other hand, decimal conversion is "%d" like C, and CR-LF is "&M&J", not like C (and implying ASCII).
– another-dave
May 2 at 11:53
Could you put a link in the question? It also sounds like some sample code is available; that would also be useful in the question.
– Dr Sheldon
May 2 at 11:58
1
I recommend reading page 198.
– JdeBP
May 2 at 11:58
Looks a lot like PLZ/SYS, which was a systems programming language from Zilog. Back in the day, I did a lot of work on Z8000 Unix systems, and I remember the PLZ manual coming with each one. It looked like a cool language but I never had a need to use it.
– mannaggia
May 2 at 14:00
1
Looks like a home brew language that didn't take off - pg 198 has a reference to ZSPL - Peter D Ridley, 3321 Byron St, San Diego, CA 92106. Looks like the home address of the inventor of the language at that time.
– cup
May 2 at 14:47
|
show 1 more comment
1
It looks Algol-ish, but curiously it has no Boolean type, nor built-in true/false constants. It has a 'printf' which may indicate it's post-Algol 68 (the first language I know with a procedure called 'printf', as distinct from built-in features like Fortran formats). On the other hand, decimal conversion is "%d" like C, and CR-LF is "&M&J", not like C (and implying ASCII).
– another-dave
May 2 at 11:53
Could you put a link in the question? It also sounds like some sample code is available; that would also be useful in the question.
– Dr Sheldon
May 2 at 11:58
1
I recommend reading page 198.
– JdeBP
May 2 at 11:58
Looks a lot like PLZ/SYS, which was a systems programming language from Zilog. Back in the day, I did a lot of work on Z8000 Unix systems, and I remember the PLZ manual coming with each one. It looked like a cool language but I never had a need to use it.
– mannaggia
May 2 at 14:00
1
Looks like a home brew language that didn't take off - pg 198 has a reference to ZSPL - Peter D Ridley, 3321 Byron St, San Diego, CA 92106. Looks like the home address of the inventor of the language at that time.
– cup
May 2 at 14:47
1
1
It looks Algol-ish, but curiously it has no Boolean type, nor built-in true/false constants. It has a 'printf' which may indicate it's post-Algol 68 (the first language I know with a procedure called 'printf', as distinct from built-in features like Fortran formats). On the other hand, decimal conversion is "%d" like C, and CR-LF is "&M&J", not like C (and implying ASCII).
– another-dave
May 2 at 11:53
It looks Algol-ish, but curiously it has no Boolean type, nor built-in true/false constants. It has a 'printf' which may indicate it's post-Algol 68 (the first language I know with a procedure called 'printf', as distinct from built-in features like Fortran formats). On the other hand, decimal conversion is "%d" like C, and CR-LF is "&M&J", not like C (and implying ASCII).
– another-dave
May 2 at 11:53
Could you put a link in the question? It also sounds like some sample code is available; that would also be useful in the question.
– Dr Sheldon
May 2 at 11:58
Could you put a link in the question? It also sounds like some sample code is available; that would also be useful in the question.
– Dr Sheldon
May 2 at 11:58
1
1
I recommend reading page 198.
– JdeBP
May 2 at 11:58
I recommend reading page 198.
– JdeBP
May 2 at 11:58
Looks a lot like PLZ/SYS, which was a systems programming language from Zilog. Back in the day, I did a lot of work on Z8000 Unix systems, and I remember the PLZ manual coming with each one. It looked like a cool language but I never had a need to use it.
– mannaggia
May 2 at 14:00
Looks a lot like PLZ/SYS, which was a systems programming language from Zilog. Back in the day, I did a lot of work on Z8000 Unix systems, and I remember the PLZ manual coming with each one. It looked like a cool language but I never had a need to use it.
– mannaggia
May 2 at 14:00
1
1
Looks like a home brew language that didn't take off - pg 198 has a reference to ZSPL - Peter D Ridley, 3321 Byron St, San Diego, CA 92106. Looks like the home address of the inventor of the language at that time.
– cup
May 2 at 14:47
Looks like a home brew language that didn't take off - pg 198 has a reference to ZSPL - Peter D Ridley, 3321 Byron St, San Diego, CA 92106. Looks like the home address of the inventor of the language at that time.
– cup
May 2 at 14:47
|
show 1 more comment
1 Answer
1
active
oldest
votes
Page 198 of that Byte says ZSPL is by Pete Ridley, whose full name appears to be Peter D Ridley, resident at the time in San Diego, California. He and ZSPL are also briefly mentioned in the December 1981 Byte, but I can't find any other trace of them.
However, the sample ZSPL code looks rather like the SPL/3000 programming language, introduced in 1972 by Hewlett-Packard for the HP 3000 business minicomputer. It's lowercase, rather than uppercase, and has some extra keywords. I suspect, although I cannot prove, that ZSPL was an enhanced re-implementation by Ridley of SPL for the Z80 running CP/M, and the "Z" is just from Z80.
answered May 2 at 14:52
John DallmanJohn Dallman
3,9191918
1
Indeed, it looks like ZSPL is simply a Z-80 implementation, the syntax appears almost identical. Well spotted!
– Maury Markowitz
May 2 at 16:19
1
The logic went "Z doesn't look like the start of an acronym for that period, try SPL as a programming language." There are several, but only SPL/3000 was the right period, and a look at the manual made the idea look very plausible.
– John Dallman
May 2 at 17:17
2
And HP has a history of programming languages matching?PL:)
– hobbs
May 2 at 21:32
add a comment |
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Page 198 of that Byte says ZSPL is by Pete Ridley, whose full name appears to be Peter D Ridley, resident at the time in San Diego, California. He and ZSPL are also briefly mentioned in the December 1981 Byte, but I can't find any other trace of them.
However, the sample ZSPL code looks rather like the SPL/3000 programming language, introduced in 1972 by Hewlett-Packard for the HP 3000 business minicomputer. It's lowercase, rather than uppercase, and has some extra keywords. I suspect, although I cannot prove, that ZSPL was an enhanced re-implementation by Ridley of SPL for the Z80 running CP/M, and the "Z" is just from Z80.
answered May 2 at 14:52
John DallmanJohn Dallman
3,9191918
1
Indeed, it looks like ZSPL is simply a Z-80 implementation, the syntax appears almost identical. Well spotted!
– Maury Markowitz
May 2 at 16:19
1
The logic went "Z doesn't look like the start of an acronym for that period, try SPL as a programming language." There are several, but only SPL/3000 was the right period, and a look at the manual made the idea look very plausible.
– John Dallman
May 2 at 17:17
2
And HP has a history of programming languages matching?PL:)
– hobbs
May 2 at 21:32
add a comment |
Page 198 of that Byte says ZSPL is by Pete Ridley, whose full name appears to be Peter D Ridley, resident at the time in San Diego, California. He and ZSPL are also briefly mentioned in the December 1981 Byte, but I can't find any other trace of them.
However, the sample ZSPL code looks rather like the SPL/3000 programming language, introduced in 1972 by Hewlett-Packard for the HP 3000 business minicomputer. It's lowercase, rather than uppercase, and has some extra keywords. I suspect, although I cannot prove, that ZSPL was an enhanced re-implementation by Ridley of SPL for the Z80 running CP/M, and the "Z" is just from Z80.
answered May 2 at 14:52
John DallmanJohn Dallman
3,9191918
1
Indeed, it looks like ZSPL is simply a Z-80 implementation, the syntax appears almost identical. Well spotted!
– Maury Markowitz
May 2 at 16:19
1
The logic went "Z doesn't look like the start of an acronym for that period, try SPL as a programming language." There are several, but only SPL/3000 was the right period, and a look at the manual made the idea look very plausible.
– John Dallman
May 2 at 17:17
2
And HP has a history of programming languages matching?PL:)
– hobbs
May 2 at 21:32
add a comment |
Page 198 of that Byte says ZSPL is by Pete Ridley, whose full name appears to be Peter D Ridley, resident at the time in San Diego, California. He and ZSPL are also briefly mentioned in the December 1981 Byte, but I can't find any other trace of them.
However, the sample ZSPL code looks rather like the SPL/3000 programming language, introduced in 1972 by Hewlett-Packard for the HP 3000 business minicomputer. It's lowercase, rather than uppercase, and has some extra keywords. I suspect, although I cannot prove, that ZSPL was an enhanced re-implementation by Ridley of SPL for the Z80 running CP/M, and the "Z" is just from Z80.
answered May 2 at 14:52
John DallmanJohn Dallman
3,9191918
Page 198 of that Byte says ZSPL is by Pete Ridley, whose full name appears to be Peter D Ridley, resident at the time in San Diego, California. He and ZSPL are also briefly mentioned in the December 1981 Byte, but I can't find any other trace of them.
However, the sample ZSPL code looks rather like the SPL/3000 programming language, introduced in 1972 by Hewlett-Packard for the HP 3000 business minicomputer. It's lowercase, rather than uppercase, and has some extra keywords. I suspect, although I cannot prove, that ZSPL was an enhanced re-implementation by Ridley of SPL for the Z80 running CP/M, and the "Z" is just from Z80.
answered May 2 at 14:52
John DallmanJohn Dallman
3,9191918
answered May 2 at 14:52
John DallmanJohn Dallman
3,9191918
answered May 2 at 14:52
John DallmanJohn Dallman
3,9191918
answered May 2 at 14:52
John DallmanJohn Dallman
3,9191918
3,9191918
1
Indeed, it looks like ZSPL is simply a Z-80 implementation, the syntax appears almost identical. Well spotted!
– Maury Markowitz
May 2 at 16:19
1
The logic went "Z doesn't look like the start of an acronym for that period, try SPL as a programming language." There are several, but only SPL/3000 was the right period, and a look at the manual made the idea look very plausible.
– John Dallman
May 2 at 17:17
2
And HP has a history of programming languages matching?PL:)
– hobbs
May 2 at 21:32
add a comment |
1
Indeed, it looks like ZSPL is simply a Z-80 implementation, the syntax appears almost identical. Well spotted!
– Maury Markowitz
May 2 at 16:19
1
The logic went "Z doesn't look like the start of an acronym for that period, try SPL as a programming language." There are several, but only SPL/3000 was the right period, and a look at the manual made the idea look very plausible.
– John Dallman
May 2 at 17:17
2
And HP has a history of programming languages matching?PL:)
– hobbs
May 2 at 21:32
1
1
Indeed, it looks like ZSPL is simply a Z-80 implementation, the syntax appears almost identical. Well spotted!
– Maury Markowitz
May 2 at 16:19
Indeed, it looks like ZSPL is simply a Z-80 implementation, the syntax appears almost identical. Well spotted!
– Maury Markowitz
May 2 at 16:19
1
1
The logic went "Z doesn't look like the start of an acronym for that period, try SPL as a programming language." There are several, but only SPL/3000 was the right period, and a look at the manual made the idea look very plausible.
– John Dallman
May 2 at 17:17
The logic went "Z doesn't look like the start of an acronym for that period, try SPL as a programming language." There are several, but only SPL/3000 was the right period, and a look at the manual made the idea look very plausible.
– John Dallman
May 2 at 17:17
2
2
And HP has a history of programming languages matching
?PL :)– hobbs
May 2 at 21:32
And HP has a history of programming languages matching
?PL :)– hobbs
May 2 at 21:32
add a comment |
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It looks Algol-ish, but curiously it has no Boolean type, nor built-in true/false constants. It has a 'printf' which may indicate it's post-Algol 68 (the first language I know with a procedure called 'printf', as distinct from built-in features like Fortran formats). On the other hand, decimal conversion is "%d" like C, and CR-LF is "&M&J", not like C (and implying ASCII).
– another-dave
May 2 at 11:53
Could you put a link in the question? It also sounds like some sample code is available; that would also be useful in the question.
– Dr Sheldon
May 2 at 11:58
1
I recommend reading page 198.
– JdeBP
May 2 at 11:58
Looks a lot like PLZ/SYS, which was a systems programming language from Zilog. Back in the day, I did a lot of work on Z8000 Unix systems, and I remember the PLZ manual coming with each one. It looked like a cool language but I never had a need to use it.
– mannaggia
May 2 at 14:00
1
Looks like a home brew language that didn't take off - pg 198 has a reference to ZSPL - Peter D Ridley, 3321 Byron St, San Diego, CA 92106. Looks like the home address of the inventor of the language at that time.
– cup
May 2 at 14:47