6502 POWER ON

When the 6502 powers on, it reads the reset vector from memory addresses 0xFFFC and 0xFFFD to determine where to begin executing code.

This is the reset vector. Let's watch it happen!

(click anywhere to dismiss)

6502 Power On

Reset Vector: 0xFFFC

Cycles: 0

REGISTERS

A$00
X$00
Y$00
SP$FD
PC$0000
P
4

FLAGS

N
V
B
D
I
Z
C

DECODER

ADDR$0000
OP$EA
MNEM---

BUS

ADDR BUS$0000
DATA BUS$00

DISPLAY

MEMORY

Go to:
ADDR0123456789ABCDEFASCII
800000000000000000000000000000000000................
801000000000000000000000000000000000................
802000000000000000000000000000000000................
803000000000000000000000000000000000................
804000000000000000000000000000000000................
805000000000000000000000000000000000................
806000000000000000000000000000000000................
807000000000000000000000000000000000................
808000000000000000000000000000000000................
809000000000000000000000000000000000................
80A000000000000000000000000000000000................
80B000000000000000000000000000000000................
80C000000000000000000000000000000000................
80D000000000000000000000000000000000................
80E000000000000000000000000000000000................
80F000000000000000000000000000000000................
$8000 — $80FF

CONSOLE

Load a program and press POWER ON...
PROGRAM:
SPEED:Normal (50Hz)