Tests

CP/M

• Diagnostics I
• Diagnostics II
• Z80 Instruction Set Exerciser

CPC

• Z80 CCF Screen

ZX Spectrum

• ED777F
• FDDD
• FDDD2
• EI48K
• EIHALT
• HALT Contention Test
• HALT2INT
• IFF2 Bug
• IFF2 Bug 128K
• IN-MEMPTR
• LD A,R Test 2
• SCF
• SCF Tests
• Super HALT Invaders Test
• Test CCF
• 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 Test Suite
• Z80 XCF Flavor  
• Zilog Z80 CPU Test Suite  

Other

• JSMoo's Z80 Tests