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MEGA65: hyppo HDOS virtualization #331
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lgblgblgb
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Mar 26, 2022
At this stage it's primarly useful for using closed-ROM's DLOAD"..",U12 feature, so with HDOS virtualization enabled, it's possible to load a file outside of a D81 from BASIC65 directly.
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As started within the "decent hyppo" project (#140) now let's be a bit more specific and focus on this task here. Some HDOS virtualization is already done, however it should be extended for all currently implemented HDOS traps which is something to do with filesystem. Initially, probably the ones used by BASIC65.
HDOS functions used by MEGA65 'closed' ROM
(the original list with ROM syms and IDs are from BitShifter)
hdos_virt_opendir()
hdos_virt_readdir()
hdos_virt_close_dir_or_file()
hdos_virt_loadfile(0)
argument is base-addr, since the same can be used for attichdos_virt_mount(0)
hdos_virt_mount(1)
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