Tests

Acorn Z80 Second Processor

• Unstable CCF/SCF Behaviour Test Program

CP/M

• Diagnostics I
• Diagnostics II
• Z80 Instruction Set Exerciser
• Z80 Processor Type Detection  

CPC

• Z80 CCF Screen
• Z80 XCF Flavor  

Master System

• SMS Z80 Instruction Exerciser  

ZX Spectrum

• CPD-Test
• ED777F
• FDDD
• FDDD2
• EI48K
• EIHALT
• HALT Contention Test
• HALT2INT
• IFF2 Bug
• IFF2 Bug 128K
• IN-MEMPTR
• INI H and C Flags Clearing Test
• LD A,R Test 2
• MEMPTR Snake
• SCF
• SCF Tests
• Super HALT Invaders Test
• Test CCF
• Test SCF
• TSTR  🌍
• Z80 Block Flags Test  
• Z80 CCF/SCF Outcome Stability  
• Z80 DDFD3
• Z80 Illegal Instruction Test
• Z80 IM1 vs JR
• Z80 Initial Condition Retriever
• Z80 Instruction Set Exerciser for Spectrum  🌍
• Z80 Instruction Set Exerciser for Spectrum 2
• Z80 INT Skip  
• Z80 Processor Type Detection  🌍
• Z80 Test Suite
• Z80 XCF Flavor  
• Zilog Z80 CPU Test Suite  

Tip

All ZX Spectrum tests are included in the ZX Spectrum test collection, which is available for download on the wiki of the ZXSpectrum library.

Other

• Single Step Tests