CAAAA

ill: address 1003 opcode 13 memory 13
PC=1004 SP=0100 A=0A X=00 Y=00 P=04 -----I--
CAABC

ill: address 1007 opcode 13 memory 13
PC=1008 SP=0100 A=0A X=00 Y=00 P=04 -----I--
CAACE

call: address 2000 opcode 20
PC=100E SP=01FE A=0A X=00 Y=00 P=04 -----I--
CBCCE

call: address 2000 opcode 20
PC=1014 SP=01FE A=0A X=00 Y=00 P=04 -----I--
CCECE

BRK instruction: address 1017 opcode 00
PC=1019 SP=01FD A=0A X=00 Y=00 P=04 -----I--