firstloop:
LDX #$05
TXA
STA $0200, Y
PHA
INX
INY
CPY $512
BNE firstloop;

secondloop:
LDX #$05
TXA
STA $0300, Y
PHA
INY
CPY $512;
BNE secondloop;

thirdloop:
LDX #$07
TXA
STA $0400, Y
PHA
INY
CPY $512;
BNE thirdloop

fourthloop:
LDX #$07
TXA
STA $0500, Y
PHA
INY
CPY $512;
BNE fourthloop