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Results tagged with assembly
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user 7493
Assembly languages in general, of any architecture. Use with the particular processor’s tag as appropriate.
11
votes
Make the "z80asm" assembler place an instruction at a known memory address
The problem with Z80ASM specifically is that it takes the assembly input and spits out a static binary file. This is good and bad. … ORG tells the assembler what the starting (origin -- thus ORG) address is for the upcoming assembly code. …
- 12.5k
12
votes
What "unusual" syntax assembly languages are/were there?
Forth assembly is also typically done in small chunks. … Finally it represents the nature of a bunch of assembly code arranged to fit on a single 1K byte, 64x16 screen of Forth source code. …
- 12.5k
44
votes
When did assembly source code begin to be written in lowercase?
That said, I'm pretty sure when I was doing assembly back in the early 80s, I, too, used uppercase "because assembly".
But, yea, typing in upper case is a pain in the neck, frankly. …
- 12.5k
9
votes
When and why did high-level language compilers start targeting assembly language rather than...
Turbo Pascal was made famous specifically because it skipped the assembly step (as well as most of the linking step). … Compiling to assembly removed a litany of issues from the compiler. The compiler could pretty much blindly emit opcodes and pseudo-opcodes. …
- 12.5k
1
vote
Comparing Signed Numbers on Z80 (8080) in Assembly
Comparisons in microprocessors is essentially done by subtracting one value from the other, and looking at the flags generated by that process.
The difference being, of course, is that comparison is …
- 12.5k
5
votes
Accepted
Working on programming a retro z80 computer (SDCC error)
The problem is that you're trying to access the function parameter data, but the compiler does not expose that as a symbol to the internal assembler, so it's looking in the public, global namespace fo …
- 12.5k
4
votes
Accepted
Any recommendations for a Hitachi HD6303 assembler?
Assembly is pretty simple, so converting to dasm could likely be readily automated, even with something as simple as AWK. …
- 12.5k
15
votes
Why are these DOS console drivers wasting precious bytes?
So my question is: Why did the programmer(s) not write the shortest
code possible in an OS that is confined to conventional memory?
Because they had deadlines, other things to work on and "good enou …
- 12.5k
24
votes
Accepted
Z80 to x86 asm translator?
I'm going to say "No" simply because the 8086 doesn't support the alternate registers of the Z80. That was a fairly important concept that you can not directly mimic on the 8086.
Mind, if you're willi …
- 12.5k