Thanks syn.
Your quote is partial by the way;
I especially don’t like it when people use an assembler with a lot of custom syntax which is not available cross-platform (like Sjasm, TNIasm), because as a Mac user it essentially locks me out from contributing.
This is not a critique on the fact that Sjasm or tniASM use custom syntax, but on the fact that they’re not cross-platform. Because if the assembler is not cross-platform, and the custom syntax is used and then shared (in an open source project for example), being a Mac user there is no way for me to assemble it without first adapting the source. And when I do, it is also hindering me from contributing back. Myself I’d happily adopt to any other assembler’s syntax when contributing to another project, if I could use it on my system. For my own projects, I’d rather use Glass, obviously 
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If you want to quote the part where I critique custom syntax you should’ve picked this one :
Other assemblers were problematic for me because they were either not cross-platform (didn’t work on Mac) or used too much custom syntax like single-line repeat shorthands or the horrible write-multiple-instructions-on-a-single-line, which in my opinion makes the code harder to read rather than easier.
Yes, I still do not like writing multiple instructions on a single line or special single-line repeat syntax. If I did not have opinions about those things, I would have no business writing an assembler. They are not consistently implemented across assemblers either (afaik), so there’s no motivation for implementing it for compatibility’s sake either, I can just follow my own design.
Unfortunately repeat syntax is not implemented consistently in assemblers either, which is a shame because it’s a very useful thing, but it is the way it is. Initially I followed Pasmo’s design, however I kept consistently mis-typing ENDM at the end of the REPT as ENDR, so I changed it recently to match that intuition (ENDM still works though).
That’s a fine suggestion and definitely I want to replace it with 0xxH on the MAP. It is a remnant of my WBASS / Compass days, but 0xxH is the most universal Z80 assembler syntax.
Sorry Grauw, but I disagree. 0xxH syntax it's a 16 bits cpu assembler syntax. You can read the official (old) z80 data sheets. Tell me if you see 0xxH syntax. Lowercase is 16 bits cpu assembler syntax.
0xxH and lowercase z80 syntax is relatively modern. You can read old assembler books, data sheets, etc... They never use 0xxh or lowercase. Even in old Motorola 68k books you can see uppercase and # for hexadecimal.
Also colon suffix is optional for the labels.
I think if you want code a good new assembler you should support different syntax. Personally I hate the "new" modern syntax like as LD A,[HL] -> [] ?¿?¿?¿, the "point" pseudo instructions .DB -> . ?¿?¿? etc...
Luckily sjASM support the "tradicional" (I like) syntax and new syntax. Please, don't remove the # syntax in your awesome MAP site. 
Also Glass is free and open source .
Anyway this thread is not about tniASM or Sjasm or whichever other assembler there is. Those assemblers have their own merits and surely many happy users, however I am not developing them, so there’s nothing to discuss.
I’d like to continue to discuss Glass itself and hopefully get some feedback on what things people would like to see or see different.
