Why is A = 7F after the PLA-instruction? Shouldn't it be 6F? Did a BRK-interrupt occur before the PHP?
C7E7 08 - PHP - A:00 X:00 Y:00 P:6F SP:FB CYC:193 SL:242
C7E8 68 - PLA - A:00 X:00 Y:00 P:6F SP:FA CYC:202 SL:242
C7E9 29 EF - AND #$EF - A:7F X:00 Y:00 P:6D SP:FB CYC:214 SL:242
C7EB C9 6F - CMP #$6F - A:6F X:00 Y:00 P:6D SP:FB CYC:220 SL:242
C7E7 08 - PHP - A:00 X:00 Y:00 P:6F SP:FB CYC:193 SL:242
C7E8 68 - PLA - A:00 X:00 Y:00 P:6F SP:FA CYC:202 SL:242
C7E9 29 EF - AND #$EF - A:7F X:00 Y:00 P:6D SP:FB CYC:214 SL:242
C7EB C9 6F - CMP #$6F - A:6F X:00 Y:00 P:6D SP:FB CYC:220 SL:242