{"id":31733971,"url":"https://github.com/ilyakurdyukov/ida-holtek-4bit","last_synced_at":"2025-10-09T09:00:15.438Z","repository":{"id":212925211,"uuid":"732612567","full_name":"ilyakurdyukov/ida-holtek-4bit","owner":"ilyakurdyukov","description":"Holtek HT1130 support for IDA 7.x","archived":false,"fork":false,"pushed_at":"2023-12-17T09:12:16.000Z","size":10,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2023-12-17T11:26:46.119Z","etag":null,"topics":["4-bit","holtek","ida","idapython"],"latest_commit_sha":null,"homepage":"","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"cc0-1.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/ilyakurdyukov.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null}},"created_at":"2023-12-17T09:11:13.000Z","updated_at":"2023-12-17T11:26:49.425Z","dependencies_parsed_at":"2023-12-17T11:26:48.309Z","dependency_job_id":"486ad326-ecb9-412b-aa72-7df5c46e2fdd","html_url":"https://github.com/ilyakurdyukov/ida-holtek-4bit","commit_stats":null,"previous_names":["ilyakurdyukov/ida-holtek-4bit"],"tags_count":0,"template":null,"template_full_name":null,"purl":"pkg:github/ilyakurdyukov/ida-holtek-4bit","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ilyakurdyukov%2Fida-holtek-4bit","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ilyakurdyukov%2Fida-holtek-4bit/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ilyakurdyukov%2Fida-holtek-4bit/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ilyakurdyukov%2Fida-holtek-4bit/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/ilyakurdyukov","download_url":"https://codeload.github.com/ilyakurdyukov/ida-holtek-4bit/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ilyakurdyukov%2Fida-holtek-4bit/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":279001049,"owners_count":26082993,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-10-09T02:00:07.460Z","response_time":59,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["4-bit","holtek","ida","idapython"],"created_at":"2025-10-09T09:00:12.772Z","updated_at":"2025-10-09T09:00:15.407Z","avatar_url":"https://github.com/ilyakurdyukov.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"## Holtek HT1130 support for IDA 7.x\n\nPlace the `ht1130.py` in the `procs` directory.\nIf you don't see \"Holtek HT1130 (ht1130)\" in the CPU selection, then check if Python support is working in IDA.\n\n* This instruction set is heavily inspired by Intel's 4/8-bit instruction sets.\n\n* The biggest problem is finding a ROM for this module. Because you can only get a ROM by photographing a chip's crystal under a microscope. The only known dump is [here](https://github.com/azya52/BrickEmuPy/blob/main/assets/E23PlusMarkII96in1.bin).\n\n### Other 4-bit microcontrollers from Holtek\n\nHT44300/HT443A0: same opcodes as HT1130.\n\nHTG12G0, HTG1390, HTG13J0: doesn't have opcode 0x32 (was `IN A, PM`).\n\nHTG12N0: opcode 0x34 is read as `OUT PC, A` (was `IN A, PP`).\n\nHTG12B0 is different for ~10 opcodes.\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Filyakurdyukov%2Fida-holtek-4bit","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Filyakurdyukov%2Fida-holtek-4bit","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Filyakurdyukov%2Fida-holtek-4bit/lists"}