Exactly that... sp is a z80 register for the position of stack pointer... so that he can return to that exact point later. spbak is defined at the bottom: spbak .dw $0000 Patrick W Bambrough wrote: > > hey can anyone tell me what this means and if there is an 83 equivelant?? > ld (spbak),sp -- Scott Dial revenant_1@hotmail.com ICQ#3608935