Misc Programming

• Are there any disadvantages to running the GBC in double-speed mode?
• I read somewhere that there is a boot rom in the GB & GBC. Has anyone been able to read this rom?
• Are the GB & GBC 1 & 2MHz systems or 4 & 8MHz systems?
• What are all of the DMA modes & what are they used for?
• Is the GB a big or little endian system?
• Is it possible to use the Infrared capability of the GBC for a IR remote control?
• I have written a program for the GBC. Normal GB functions work but I can't get any of the GBC additional registers to work. What am I doing wrong?
• With the introduction of the GBC, the internal cart name has been made smaller. Is this correct?
• So why did Nintendo change rom address $143 from $80 to $c0 for a GBC dedicated game?
• What is the assembly language command HALT used for?
• What is the assembly language command STOP and how/when should it be used?
• Are there any undocumented bugs in the GB?
• Are there any undocumented features of the GBC?
• Does the GBC register LCDC ($ff40) bit 0 do anything?
• Does the GBC start in single or double speed mode?
• What assembly code is needed to toggle CPU speed on GBC?
• Has anyone tried to port Unix to a GB?
• What do the undocumented assembly opcodes do?
• What is high RAM ($ff80-$fffe) useful for? If used for the GB stack, does it provide better performance?
• What does the term Metatile mean?
• Is it possible to drain the batteries quicker through poor code?
• Is it important to pad a ROM with a specific value?