Flags

Each flag can individually be set or cleared in the Processor Status Register ('P'). Cleared flags will show up with a normal background. Set flags will show with an inverse background.

Notes:

Shift+Left mouse button can be used to toggle the state of individual flags.
The legacy commands R? and S?, where? is a flag name (C,Z,I,D,B,R,V,N) has been left in.

Commands to set a flag:

Command	Description
SEC	Set Carry
SEZ	Set Zero
SEI	Set Interrupts Disabled
SED	Set Decimal (BCD) mode
SEB	Set Break
SER	Set Reserved (not used on 6502)
SEV	Set Overflow
SEN	Set Negative

Commands to clear a flag:

Command	Description
CLC	Clear Carry
CLZ	Clear Zero
CLI	Clear Interrupts Disabled
CLD	Clear Decimal (BCD) mode
CLB	Clear Break
CLR	Clear Reserved (not used on 6502)
CLV	Clear Overflow
CLN	Clear Negative