Volex TTX2000 S Issue 1.2: Routine at 0EC9

0EC9: generate_mosaics: Generate font data for contiguous mosaic with the character code in B at the address in HL.

Used by the routine at init_mosaics.
generate_mosaics	0EC9	LD A,B	Copy character code into A.
	0ECA	LD D,$00	If bit 0 of character code is 1 set D to b00111000 else set D to b00000000.
	0ECC	RRA
	0ECD	JR NC,generate_mosaics_0
	0ECF	LD D,$38
generate_mosaics_0	0ED1	RRA	If bit 1 of character code is 1 call set_right_bits to set bits 0-2 of D.
	0ED2	JR NC,generate_mosaics_1
	0ED4	CALL set_right_bits
generate_mosaics_1	0ED7	CALL write_top_sixels	Call write_top_sixels to write D to rows 0-2 of the font data.
	0EDA	RRA	If bit 2 of character code is 1 set D to b00111000 else set D to b00000000.
	0EDB	LD D,$00
	0EDD	JR NC,generate_mosaics_2
	0EDF	LD D,$38
generate_mosaics_2	0EE1	RRA	If bit 3 of character code is 1 call set_right_bits to set bits 0-2 of D.
	0EE2	JR NC,generate_mosaics_3
	0EE4	CALL set_right_bits
generate_mosaics_3	0EE7	LD (HL),D	Write D to to rows 3 and 4 of the font data.
	0EE8	INC HL
	0EE9	LD (HL),D
	0EEA	INC HL
	0EEB	LD D,$00	If bit 4 of character code is 1 set D to b00111000 else set D to b00000000.
	0EED	RRA
	0EEE	JR NC,generate_mosaics_4
	0EF0	LD D,$38
generate_mosaics_4	0EF2	RRA	If bit 6 of character code is 1 call set_right_bits to set bits 0-2 of D.
	0EF3	RRA
	0EF4	JR NC,generate_mosaics_5
	0EF6	CALL set_right_bits
generate_mosaics_5	0EF9	CALL write_top_sixels	Call write_top_sixels to write D to rows 5-7 of the font data.
	0EFC	RET	Return with address of font data for next character in HL.