Changes
/* Fast 32bit division */ a bit faster
'''Not used:''' IX, IY
'''CPC Cycles:''' 10801016-2572 2444 (1826 1730 on average), 270254-643 611 usec (456 432 on average)
'''Size:''' 261 277 bytes
<pre>
div_r macro
local t2
ADC HL, HL
div_e macro
local t1,t2
ADC HL, HL
JR C, t1
