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I have some old RISC OS assembly programmes I wrote a few years back and I want to port them to Raspberry Pi.

I ran Mode 28 and wrote output directly to the screen using the memory address where v-ram started -- i.e., I didn't use an SWI call.

Is there anyway to write directly to the screen on the Pi? What is the address and do I need to set a specific mode.

I am currently running Raspbian ... but can switch to RISC OS if that is easier

Cheers John

JohnB
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With Linux you could try the framebuffer interface. It can be memory mapped as a buffer where you write your data.

Ronny Nilsson
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