BlackBox Component Builder Forums

I made an application for the device and selling it to device distributor for some years already. I can not say that earned much, however this is a real case. Also I am using BlackBox in science to automate all lab experiments, images processing and computer simulations, so get some money by BlackBo...

cfbsoftware wrote:

Ivan Denisov wrote: This change was made in 1.7.2 so of cause in 1.6 there will be no such problem.

What is the change that was made in 1.7.2 that caused the problem?

There was the discussion here
https://forum.blackboxframework.org/vie ... f=49&t=205

I tried compiling your unmodified Pbox12B module using v1.6 of BlackBox and the version of PBoxFormatters included with the PBox modules uploaded by Stan Warford to Helmut Zinn's Component Pascal Resources site: http://www.zinnamturm.eu/downloadsOS.htm#Pbox and it compiled without a problem. This c...

Ivan, thanks. I guess the book is showing its age. But when I make the change I get a new error at the line which calls the procedure: PrintLine(dataValue, fm); The error is "incompatible assignment", after fm. I think that gave wrong advice, because does not know original type of PboxMap...

This is new security feature of BlackBox, which does not allow to call methods of read-only variables. Just replace PROCEDURE PrintLine (x: REAL; IN f: PboxMappers.Formatter); to PROCEDURE PrintLine (x: REAL; f: PboxMappers.Formatter); This is done, because now compiler can check that data does not ...

In the description on page https://blackbox.oberon.org/download about Ubuntu/Mint/Debian repository for automatic upgrades version 1.8 the line echo "deb http://deb... is double one with 18 and one without. 2.0 in "linux" repo without 18 but the package name differ sudo apt-get insta...

The paths "STANDARD:" and "CUSTOM:" now have experimental support in BlackBox 2.0
https://blackbox.oberon.org/

Certificates renewed till 16 May

Actually OOP does not mean much. Syntactic sugar.
However many stuff in framework done in OOP way, so it is impossible to use BlackBox features without it.

I can imaging smth like this MODULE TestSet64; IMPORT Log := StdLog, In, Math; TYPE Set = POINTER TO RECORD a, b: SET; END; PROCEDURE (s: Set) Add (n: BYTE), NEW; BEGIN ASSERT(n >= 0, 20); ASSERT(n < 64, 21); IF n < 32 THEN s.a := s.a + {n} ELSE s.b := s.b + {n-32} END END Add; PROCEDURE (s: Set) Re...