OEL TTX2000 Issue 2.3: Routine at 0B46

0B46: decode_page: Decode and render 24 rows.

Used by the routines at display_menu, toggle_bright, select_channel, toggle_reveal, save_routine and OELRoutine23.
decode_page	0B46	PUSH AF	Preserve registers.
	0B47	PUSH BC
	0B48	PUSH DE
	0B49	PUSH HL
	0B4A	XOR A	Clear skip_next_row_flag.
	0B4B	LD (skip_next_row_flag),A	Clear skip_next_row_flag.
decode_page_0	0B4E	PUSH AF	Push A onto stack as a loop counter.
	0B4F	LD (row_number),A	Load row_number into A and call decode_row.
	0B52	CALL decode_row	Load row_number into A and call decode_row.
	0B55	POP AF	Pop counter off the stack and increment it.
	0B56	INC A	Pop counter off the stack and increment it.
	0B57	CP $18	Loop around 24 times.
	0B59	JR NZ,decode_page_0	Loop around 24 times.
	0B5B	POP HL	Restore registers and return.
	0B5C	POP DE
	0B5D	POP BC
	0B5E	POP AF
	0B5F	RET