[Ql-Users] Memory contention (CPU / ULA)

Hi all, I am working on some timing critical routines for standard QL w/wo SandyQboard 512 (no GC, no Aurora). Do you know how is memory shared between CPU and ULA? Do you know how (if at all) is memory delayed when you need to access videoram at the same time ULA is accessing it? Is there any

Re: [Ql-Users] Memory contention (CPU / ULA)

Palenicek Jan wrote: I am working on some timing critical routines for standard QL w/wo SandyQboard 512 (no GC, no Aurora). Do you know how is memory shared between CPU and ULA? Do you know how (if at all) is memory delayed when you need to access videoram at the same time ULA is accessing

Re: [Ql-Users] SBASIC extras

Looking at a list of SBASIC extensions created with an EXTRAS command, there are 3 extensions I noticed that I don't know what they do. Not in my (admittedly old) manual. Anyone know? CHK_HEAP (Some form of heap check suggested by the name) HOME_CSET (presumably