Jump to New Location Saving Return Address: JSR [1] Jumps to a subroutine The address before the next instruction (PC - 1) is pushed onto the stack: first the

Jump to New Location Saving Return Address: JSR [1] Jumps to a subroutine The address before the next instruction (PC - 1) is pushed onto the stack: first the upper byte followed by the lower byte. As the stack grows backwards, the return address is therefore stored as a little-endian number in memory. PC is set to the target address. Flags: none Addressing Mode: absolute Opcode: 20 [1] https://en.wikibooks.org/wiki/6502_Assembly