tb main
r -s mc-code-powerpc.c
define regs 
printf "lr =%08x pc =%08x r0 =%08x r1 =%08x r3= %08x r4= %08x\n",$lr,$pc,$r0,$r1,$r3,$r4
printf "r10=%08x r11=%08x r12=%08x r13=%08x r14=%08x r15=%08x\n",$r10,$r11,$r12,$r13,$r14,$r15
end
define fregs 
printf "f1=%g f2=%g f3=%g f4=%g f5=%g f6=%g\n",$f1,$f2,$f3,$f4,$f5,$f6
printf "f10=%g f11=%g f12=%g f13=%g f14=%g f15=%g\n",$f10,$f11,$f12,$f13,$f14,$f15
end
define si
stepi
regs
x/1i $pc
end
define ni
nexti
regs
x/1i $pc
end
b errmsg