Retro Computing (on Steroids) | Model Engineer : vimarsana.c

Posted by Roger Hart on 17/12/2020 12:17:35:
Anyone know how the CMM2 produces VGA. Is it some kind of fast loop does it use dma? Just curious, not really sure if I want to spend too much time on a VGA gadget, but I have a vga screen that has been kicking round the shop for too long.
Hi Roger,
The VGA graphics are generated by the underlying hardware but much of the programable functionality is built into the BASIC engine. The CMM2 is built around a single Waveshare MCU chip, which uses a Cortex-M7 32-bit RISC CPU core, running at 480Mhz and producing 1027 DMIPS. The MCU also has a double-precision FPU and