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New posts in z80
Quick divisibility check in ZX81 BASIC
Jan 29, 2026
division
z80
zx81
Can't get .define working with sdasz80 (sdcc assembler)
Dec 31, 2025
assembly
z80
sdcc
Trying to figure out why a certain Pokemon Red/Blue glitch occurs. Why do the programmers use the sbc instruction here?
Oct 13, 2025
assembly
z80
GameBoy compiler with system registers and interrupts
Jan 12, 2023
c
compiler-construction
z80
gameboy
Writing memory with assembly (Z80 / Gameboy)
Jan 09, 2023
assembly
z80
gameboy
What is the purpose of the reserved/undefined bit in the flag register?
Jan 06, 2023
cpu-architecture
x86-16
z80
8085
intel-8080
Why emulate for certain number of cycles?
Dec 23, 2022
emulation
z80
Minimal assembler program for CP/M 3.1 (z80)
Oct 24, 2022
z80
cpm
half-carry/half-borrow flag in DAA instruction
Jul 05, 2022
math
flags
z80
Operands are not assignment compatible
Sep 15, 2022
c
z80
What exactly is a machine cycle?
Oct 03, 2022
assembly
cpu-architecture
cpu-speed
z80
Gameboy Processor LR35902 Opcode 0x08 Meaning
May 05, 2020
z80
gameboy
Z80 assembly: How to add signed 8-bit value to 16-bit register?
Nov 07, 2019
math
assembly
z80
Z80 (TI-83+) stops working on CALL
Aug 24, 2019
assembly
calculator
texas-instruments
z80
How do I get started reverse engineering z80 machine code? [closed]
Oct 14, 2022
assembly
reverse-engineering
disassembly
decompiling
z80
Why is there no Z80 like LDIR functionality in C/C++/rtl?
Jun 08, 2022
c++
c
z80
Is the Z80 NMI reentrant?
Mar 26, 2022
z80
Z80 Software Delay
Mar 27, 2022
z80
Undocumented 16-bit I/O addressing on Z80
Nov 02, 2021
io
emulation
z80
ioports
Z80: How to add 16 and 8 bit registers?
Jan 20, 2022
assembly
z80
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