MSX on GBA Emulation

# Main RAM at least 64kB (e.g. Sony HB-F700 has 256kB RAM). Internally expandable to 4MB with the Memory Mapper system, more can be achieved with connecting multiple Memory Mappers with a slot-expander.
# 32kB BASIC/BIOS and 16kB subROM (MSX BASIC version 2.0 or 2.1, the latter has the possibility of a RAMdisk bigger than 32kB in BASIC).
# Video Display Processor Yamaha V9938 (backward compatible with TMS-9918 and TMS-9928).
# Video RAM at least 64kB (usually 128kB in almost all machines, expandable to 196kB with 64kB ERAM, which can not be displayed, but can be used internally as a databank).
# Real time clock chip with rechargeable battery.
# Most of produced MSX2 machines had built in at least one disk drive (360kB or 720kB 3,5").
Screen modes from 0 to 3 are the same as on MSX1, except that in screen 0 the 80 column mode is always available and that the colours can be selected from a 512 colour palette.

Mode Resolution Colours Size Description
4 256×192 16 of 512 RGB 16kB Graphic Mode
5 256×212/424 16 of 512 RGB 32kB Graphic Mode
6 512×212/424 4 of 512 RGB 32kB Graphic Mode
7 512×212/424 16 of 512 RGB 54kB Graphic Mode
8 256×212/424 256 (no palette) 54kB Graphic Mode

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