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collapseos/arch/z80/sms/blk/602
Virgil Dupras 7001446212 Complete overhaul of recipes
Recipes contain bits and pieces of hardware-related knowledge, but
these bits feel sparse. I've been wanting to consolidate hardware-
related documentation for a while, but always fell at odds with the
recipes organisation.

We don't have recipes anymore, just a /doc/hw section that contains
hardware-related documentation which often translate to precise
instructions to run Collapse OS on a specific machine.

With this new organisation, I hope to end up with a better, more
solid documentation.
2020-10-30 20:39:39 -04:00

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VDP Driver
Implement (emit) on the console. Characters start at the top
left. Every (emit) call converts the ASCII char received to its
internal font, then put that char on screen, advancing the
cursor by one. When reaching the end of the line (33rd char),
wrap to the next.
In the future, there's going to be a scrolling mechanism when
we reach the bottom of the screen, but for now, when the end of
the screen is reached, we wrap up to the top.
When reaching a new line, we clear that line and the next to
help readability.
Load range: 623-628