en-us Julien Verneuil Website / Wiki / Blog https://www.onirom.fr My latest blog articles and website updates. Writing an ARMv2 assembler in Forth https://www.onirom.fr/wiki/blog/20-12-2025_writing_an_armv2_assembler_in_forth Mon, 20 Dec 2025 00:00:00 +0000 Transpiling a Forth dialect to LLVM IR https://www.onirom.fr/wiki/blog/02-08-2025_transpiling_forth_dialect_to_llvm_ir/ Sat, 02 Aug 2025 00:00:00 +0000 Writing a small Forth-based RPI OS : Part 2 (ARM Forth dialect) https://www.onirom.fr/wiki/blog/30-11-2024_writing_a_small_forth_based_rpi_os_part_2_arm_forth_dialect_implementation/ Sat, 30 Nov 2024 00:00:00 +0000 Writing a small Forth-based RPI OS : Part 1 (Das U-Boot I/O) https://www.onirom.fr/wiki/blog/30-11-2024_writing_a_small_forth_based_rpi_os_part_1_easy_io_with_uboot_for_baremetal_usage/ Sat, 30 Nov 2024 00:00:00 +0000 Writing a primitive Forth in JavaScript https://www.onirom.fr/wiki/blog/16-11-2024_writing_a_primitive_forth_in_javascript Sat, 16 Nov 2024 00:00:00 +0000 Tiny code 3x3 pixels patterns https://www.onirom.fr/wiki/blog/07-12-2023_tiny_code_3x3_pixels_patterns/ Tue, 07 Dec 2023 00:00:00 +0000 AVX2 depth buffer check and 32-bit to 24-bit data conversion https://www.onirom.fr/wiki/blog/03-10-2023_AVX2_depth_buffer_check_RGBA_RGB_conversion/ Tue, 03 Oct 2023 00:00:00 +0000 fsynth retrospective https://www.onirom.fr/wiki/blog/18-07-2023_fsynth_retrospective/ Mon, 18 Sep 2023 00:00:00 +0000 Cheap custom VPN on AWS EC2 and virtualization https://www.onirom.fr/wiki/blog/30-10-2022_cheap_custom_vpn_aws_ec2_virtualization/ Sun, 30 Oct 2022 00:00:00 +0000 Tiny bitfield based text renderer https://www.onirom.fr/wiki/blog/25-09-2022_tiny_bitfield_based_text_renderer/ Sun, 25 Sep 2022 00:00:00 +0000 Moving to lower tech https://www.onirom.fr/wiki/blog/24-07-2022_moving_to_lower_tech/ Sun, 24 Jul 2022 00:00:00 +0000 BASS - BBC BASIC Assembler https://www.onirom.fr/wiki/blog/16-05-2022-BASS-BBC-BASIC-Assembler/ Mon, 16 May 2022 00:00:00 +0000 Archimedes ARM2 ~50 FPS Scaled dots 3D landscape / fake voxel 3D heightfield https://www.onirom.fr/wiki/blog/02-05-2022_Archimedes-ARM2-scaled-dots-landscape-fake-voxels-heightfield/ Mon, 02 May 2022 00:00:00 +0000 Acorn Archimedes / RISC OS graphics programming with ARM assembly https://www.onirom.fr/wiki/blog/30-04-2022_Archimedes-ARM2-Graphics-Programming/ Sat, 30 Apr 2022 00:00:00 +0000 ARM2+ LZ4 decompression routine https://www.onirom.fr/wiki/blog/27-04-2022_ARM2-LZ4-decompression-routine/ Wed, 27 Apr 2022 00:00:00 +0000 Minisleep : a tiny wiki / blog engine https://www.onirom.fr/wiki/blog/23-04-2022_Minisleep/ Sat, 23 Apr 2022 00:00:00 +0000 Acorn Archimedes : A dive into the 80s https://www.onirom.fr/wiki/blog/21-04-2022_Acorn-Archimedes/ Thu, 21 Apr 2022 00:00:00 +0000