PhilPotter1987 questions

• half-carry/half-borrow flag in DAA instruction
• K&R C Exercise 4-9: Why ignore EOF?
• Undocumented 16-bit I/O addressing on Z80
• Question about cycle counting accuracy when emulating a CPU
• Programming a low-pass filter
• Java timing accuracy on Windows XP vs. Windows 7
• Z80 memory refresh register
• Z80 DAA instruction
• Overflow and Carry flags on Z80

PhilPotter1987 answers