Royal Gum

.u5	27512			stickered	2
.u6	mk48z08	read as 2764
.u16	27512			stickered	5
.u17	27512			stickered	4
.u18	27512			stickered	3
.u47	27c010			stickered	1
				Handwritten	u3



24Mhz oscillator
82c55	x2
ay38910
NEC 7759

60 pin black box at center of board

Mame 0.136

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\rgum\roms\rgum.u5 
rgum.u5             NO MATCH

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\rgum\roms\rgum.u6 
rgum.u6             NO MATCH

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\rgum\roms\rgum.u16 
rgum.u16            NO MATCH

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\rgum\roms\rgum.u17 
rgum.u17            NO MATCH

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\rgum\roms\rgum.u18 
rgum.u18            NO MATCH

E:\hardware\EETools\roms>e:\games\mame\mameui32\mameui32 -romident e:\hardware\eetools\roms\rgum\roms\rgum.u47 
rgum.u47            NO MATCH