The Sinclair QL Forum

Hi, After scanning the QDOS Companion, I was reminded of the QDOS Traps (system calls) to PAN and SCROLL the screen or screen channel, which has S*BASIC keywords. This feature is not present in most computers, so the programmer has to write a horizontal scrolling rountine. I find this strange as the...

Hi

Progress update, just starting to format Chapter 8, only 2 chapters and appdencies to complete.

Hi, The problem of porting BASIC programs gets worse, I have been porting some Spectrum programmes which apart from the Spectrum PRINT statement being different on the QL, that is no formatting statements allowed in the QL PRINT command. The main problem area is that Spectrum BASIC allows varaibles ...

Hi,

Which is the best Forth to use?

Hi, I find M68K and ARM assembler easy to understand, unlike Z80 and 8086, whether I am any good at assembler programming is debatable. I like the Forth way of thinking, which most books reckcon that Forth is as fast as assembler but at a high level. The Reversi supplied with SuperForth, is supposed...

HI Martin, The Q68 Clock setting is preserved by using a Super Capacitor that stores enough charge to backup the Clock settings. If the Q68 is left unpowered for a long length of time, the Super-Cap maybe of become discharged, so the clock setting is 0 or the default for SMSQ/E. I never really had t...

Hi, I would use QMAC Macro Assembler, which the best QL assembler, it will run on every QL platform. The Z80 opcodes could be defined as Macros so that no change could be made to the Z80 code. Most Z80 opcodes could defined in this way the Macros are drfined in a macro file included at the start of ...

Hi Norman,

I have Github signon, I will see if it works and upload the complete book once I am finished.

I have scanned copy of the Computer 1 Forth Manual, but not the software.

With regards to Super Forth, the source code is on Gerry Jackson 's Git Hub page, maybe the code could updated?