A library and working example of a simple display framebuffer working on Qemu's Virt machine emulating an Arm Cortex.
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Updated
Nov 25, 2025 - C
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ramfb
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A usable paint program in pure AArch64 assembly, running bare-metal on QEMU's virt board. No C, no libc -- the program is the kernel: it boots, drives a ramfb display, reads a virtio tablet and keyboard, and gives you ten drawing tools, undo, and BMP export, all proven by a deterministic test harness.
paint kernel assembly osdev qemu framebuffer low-level arm64 aarch64 bare-metal virtio semihosting ramfb
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Jun 15, 2026 - Assembly
QEMU framebuffer driver for bare-metal RISC-V OS kernels
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Updated
Jun 28, 2025 - C
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