{"id":2929,"date":"2021-07-14T18:13:14","date_gmt":"2021-07-14T15:13:14","guid":{"rendered":"https:\/\/demensdeum.com\/blog\/?p=2929"},"modified":"2024-12-16T22:32:24","modified_gmt":"2024-12-16T19:32:24","slug":"writing-stuff-in-assembly-for-sega-genesis-1","status":"publish","type":"post","link":"https:\/\/demensdeum.com\/blog\/zh\/2021\/07\/14\/writing-stuff-in-assembly-for-sega-genesis-1\/","title":{"rendered":"\u4e3a Sega Genesis #1 \u7f16\u5199\u6c47\u7f16"},"content":{"rendered":"

\u7b2c\u4e00\u7bc7\u4e13\u95e8\u4e3a Motorola 68000 Assembly \u4e2d\u7684\u7ecf\u5178 Sega Genesis \u63a7\u5236\u53f0\u7f16\u5199\u6e38\u620f\u7684\u6587\u7ae0\u3002<\/p>\n

\u8ba9\u6211\u4eec\u4e3a Sega \u7f16\u5199\u6700\u7b80\u5355\u7684\u65e0\u9650\u5faa\u73af\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u9700\u8981\uff1a\u4e00\u4e2a\u6c47\u7f16\u5668\u3001\u4e00\u4e2a\u5e26\u6709\u53cd\u6c47\u7f16\u5668\u7684\u6a21\u62df\u5668\u3001\u4e00\u4e2a\u6700\u559c\u6b22\u7684\u6587\u672c\u7f16\u8f91\u5668\u3001\u5bf9 Sega rum \u7ed3\u6784\u7684\u57fa\u672c\u4e86\u89e3\u3002<\/p>\n

\u5bf9\u4e8e\u5f00\u53d1\uff0c\u6211\u4f7f\u7528\u81ea\u5df1\u7684\u6c47\u7f16\u5668\/\u53cd\u6c47\u7f16\u5668 Gen68KryBaby\uff1a<\/p>\n

https:\/\/gitlab.com\/demensdeum\/gen68krybaby\/<\/a><\/ p><\/p>\n

\u8be5\u5de5\u5177\u662f\u7528 Python 3 \u5f00\u53d1\u7684\uff0c\u7528\u4e8e\u6c47\u7f16\u65f6\u63d0\u4f9b\u6269\u5c55\u540d\u4e3a .asm \u6216 .gen68KryBabyDisasm \u7684\u6587\u4ef6\u4f5c\u4e3a\u8f93\u5165\uff0c\u8f93\u51fa\u662f\u6269\u5c55\u540d\u4e3a .gen68KryBabyAsm.bin \u7684\u6587\u4ef6\uff0c\u8be5\u6587\u4ef6\u53ef\u4ee5\u5728\u6a21\u62df\u5668\u6216\u8ba1\u7b97\u673a\u4e0a\u8fd0\u884c\u4e00\u4e2a\u771f\u6b63\u7684\u63a7\u5236\u53f0\uff08\u5c0f\u5fc3\uff0c\u8d70\u5f00\uff0c\u63a7\u5236\u53f0\u53ef\u80fd\u4f1a\u7206\u70b8\uff01\uff09<\/p>\n

\u8fd8\u652f\u6301\u53cd\u6c47\u7f16 rom\uff0c\u4e3a\u6b64\u60a8\u9700\u8981\u63d0\u4ea4\u4e00\u4e2a rom \u6587\u4ef6\u4f5c\u4e3a\u8f93\u5165\uff0c\u4e0d\u5e26 .asm \u6216 .gen68KryBabyDisasm \u6269\u5c55\u540d\u3002\u64cd\u4f5c\u7801\u652f\u6301\u5c06\u6839\u636e\u6211\u5bf9\u8be5\u4e3b\u9898\u7684\u5174\u8da3\u548c\u8d21\u732e\u8005\u7684\u53c2\u4e0e\u800c\u589e\u52a0\u6216\u51cf\u5c11\u3002<\/p>\n

\u7ed3\u6784<\/h3>\n

Sega ROM \u6807\u5934\u5360\u636e\u524d 512 \u4e2a\u5b57\u8282\u3002\u5b83\u5305\u542b\u6709\u5173\u6e38\u620f\u3001\u540d\u79f0\u3001\u652f\u6301\u7684\u5916\u56f4\u8bbe\u5907\u3001\u6821\u9a8c\u548c\u4ee5\u53ca\u5176\u4ed6\u7cfb\u7edf\u6807\u5fd7\u7684\u4fe1\u606f\u3002\u6211\u8ba4\u4e3a\u5982\u679c\u6ca1\u6709\u6807\u9898\uff0c\u63a7\u5236\u53f0\u751a\u81f3\u4e0d\u4f1a\u770b\u6717\u59c6\u9152\uff0c\u8ba4\u4e3a\u5b83\u662f\u4e0d\u6b63\u786e\u7684\uff0c\u5e76\u8bf4\u201c\u4f60\u5728\u8fd9\u91cc\u7ed9\u6211\u4ec0\u4e48\uff1f\u201d<\/p>\n

\u6807\u5934\u4e4b\u540e\u662f\u5b50\u4f8b\u7a0b\/\u91cd\u7f6e\u5b50\u4f8b\u7a0b\uff0c\u8fd9\u662f m68K \u5904\u7406\u5668\u5f00\u59cb\u5de5\u4f5c\u7684\u5730\u65b9\u3002\u597d\u5427\uff0c\u8fd9\u662f\u4e00\u4ef6\u5c0f\u4e8b\u2026\u2026\u67e5\u627e\u64cd\u4f5c\u7801\uff08\u64cd\u4f5c\u7801\uff09\uff0c\u5373\u4ec0\u4e48\u90fd\u4e0d\u505a\uff08\uff01\uff09\u5e76\u5207\u6362\u5230\u5185\u5b58\u4e2d\u5730\u5740\u5904\u7684\u5b50\u7a0b\u5e8f\u3002\u901a\u8fc7\u8c37\u6b4c\u641c\u7d22\uff0c\u60a8\u53ef\u4ee5\u627e\u5230 NOP \u64cd\u4f5c\u7801\uff0c\u5b83\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u4ee5\u53ca JSR \u64cd\u4f5c\u7801\uff0c\u5b83\u6267\u884c\u65e0\u6761\u4ef6\u8df3\u8f6c\u5230\u53c2\u6570\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u53ea\u662f\u5c06\u56de\u8f66\u79fb\u52a8\u5230\u6211\u4eec\u8981\u6c42\u7684\u4f4d\u7f6e\uff0c\u6ca1\u6709\u4efb\u4f55\u7a81\u53d1\u5947\u60f3\u3002<\/p >\n

\u5c06\u5b83\u4eec\u653e\u5728\u4e00\u8d77<\/h3>\n

ROM \u7684\u6807\u5934\u6350\u8d60\u8005\u662f Beta \u7248\u672c\u4e2d\u7684\u6e38\u620f\u4e4b\u4e00\uff0c\u76ee\u524d\u8bb0\u5f55\u4e3a\u5341\u516d\u8fdb\u5236\u6570\u636e\u3002<\/p>\n

\n
\n 00 ff 2b 52 00 00 02 00 00 00 49 90 00 00 49 90 00 00 49 90 00...\u0438 \u0442.\u0434. <\/code><\/pre>\n
\u041a\u043e\u0434 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u0441\u043e-\u043d\u043e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0438\u0437 \u0441\u0435\u0431\u044f \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u0430\u0431\u0440\u0443\u0442\u0438\u043d\u044b Reset\/EntryPoint \u0432 512 (0x200) \u0431\u0430\u0439\u0442\u0435, NOP, \u0432\u043e\u0437\u0432\u0440\u0430\u0442 \u043a\u0430\u0440\u0435\u0442\u043a\u0438 \u043a 0x00000200, \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0438\u043c \u0431\u0435\u0441\u043a\u043e\u043d\u0435\u0447\u043d\u044b\u0439 \u0446\u0438\u043a\u043b.<\/p>\n
\u0410\u0441\u0441\u0435\u043c\u0431\u043b\u0435\u0440\u043d\u044b\u0439 \u043a\u043e\u0434 \u0441\u0430\u0431\u0440\u0443\u0442\u0438\u043d\u044b Reset\/EntryPoint:<\/p>\n
\n
    NOP\n    NOP\n    NOP \n    NOP\n    NOP\n    JSR 0x00000200  \n<\/code><\/pre>\n<\/div>\n
\u5b8c\u6574\u793a\u4f8b\u4ee5\u53ca rom \u6807\u5934\uff1a<\/p>\n
https:\/\/gitlab.com \/demensdeum\/segagenesisamples\/-\/blob\/main\/1InfiniteLoop\/1infiniteloop.asm<\/a><\/p>\n
\u6211\u4eec\u63a5\u4e0b\u6765\u6536\u96c6\uff1a<\/p>\n
\n
<\/p>\n
\u0417\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c \u0440\u043e\u043c 1infiniteloop.asm.gen68KryBabyAsm.bin \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u0434\u0435\u0431\u0430\u0433\u0433\u0435\u0440\u0430 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0430 Exodus\/Gens, \u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0447\u0442\u043e m68K \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e \u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u0442 NOP, \u0438 \u0431\u0435\u0441\u043a\u043e\u043d\u0435\u0447\u043d\u043e \u043f\u0440\u044b\u0433\u0430\u0435\u0442 \u043a EntryPoint \u0432 0x200 \u043d\u0430 JSR<\/p>\n
\"\"<\/p>\n
\u0417\u0434\u0435\u0441\u044c \u0434\u043e\u043b\u0436\u0435\u043d \u0431\u044b\u0442\u044c \u0421\u043e\u043d\u0438\u043a \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0449\u0438\u0439 V, \u043d\u043e \u043e\u043d \u0443\u0435\u0445\u0430\u043b \u043d\u0430 \u0412\u0430\u043a\u0435\u043d<\/a>.<\/p>\n
\u0421\u0441\u044b\u043b\u043a\u0438<\/h3>\n
https:\/\/gitlab.com\/demensdeum\/gen68krybaby\/<\/a><\/p>\n
https:\/\/gitlab.com\/demensdeum\/segagenesissamples<\/a><\/p>\n
https:\/\/www.exodusemulator.com\/downloads\/release-archive<\/a><\/p>\n
\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438<\/h3>\n
ROM Hacking Demo – Genesis and SNES games in 480i<\/a><\/p>\n
http:\/\/68k.hax.com\/<\/a><\/p>\n
https:\/\/www.chibiakumas.com\/68000\/genesis.php<\/a><\/p>\n
https:\/\/plutiedev.com\/rom-header<\/a><\/p>\n
https:\/\/blog.bigevilcorporation.co.uk\/2012\/02\/28\/sega-megadrive-1-getting-started\/<\/a><\/p>\n
https:\/\/opensource.apple.com\/source\/cctools\/cctools-836\/as\/m68k-opcode.h.auto.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u7b2c\u4e00\u7bc7\u4e13\u95e8\u4e3a Motorola 68000 Assembly \u4e2d\u7684\u7ecf\u5178 Sega Genesis \u63a7\u5236\u53f0\u7f16\u5199\u6e38\u620f\u7684\u6587\u7ae0\u3002 \u8ba9\u6211\u4eec\u4e3a Sega \u7f16\u5199\u6700\u7b80\u5355\u7684\u65e0\u9650\u5faa\u73af\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u9700\u8981\uff1a\u4e00\u4e2a\u6c47\u7f16\u5668\u3001\u4e00\u4e2a\u5e26\u6709\u53cd\u6c47\u7f16\u5668\u7684\u6a21\u62df\u5668\u3001\u4e00\u4e2a\u6700\u559c\u6b22\u7684\u6587\u672c\u7f16\u8f91\u5668\u3001\u5bf9 Sega rum \u7ed3\u6784\u7684\u57fa\u672c\u4e86\u89e3\u3002 \u5bf9\u4e8e\u5f00\u53d1\uff0c\u6211\u4f7f\u7528\u81ea\u5df1\u7684\u6c47\u7f16\u5668\/\u53cd\u6c47\u7f16\u5668 Gen68KryBaby\uff1a https:\/\/gitlab.com\/demensdeum\/gen68krybaby\/ \u8be5\u5de5\u5177\u662f\u7528 Python 3 \u5f00\u53d1\u7684\uff0c\u7528\u4e8e\u6c47\u7f16\u65f6\u63d0\u4f9b\u6269\u5c55\u540d\u4e3a .asm \u6216 .gen68KryBabyDisasm \u7684\u6587\u4ef6\u4f5c\u4e3a\u8f93\u5165\uff0c\u8f93\u51fa\u662f\u6269\u5c55\u540d\u4e3a .gen68KryBabyAsm.bin \u7684\u6587\u4ef6\uff0c\u8be5\u6587\u4ef6\u53ef\u4ee5\u5728\u6a21\u62df\u5668\u6216\u8ba1\u7b97\u673a\u4e0a\u8fd0\u884c\u4e00\u4e2a\u771f\u6b63\u7684\u63a7\u5236\u53f0\uff08\u5c0f\u5fc3\uff0c\u8d70\u5f00\uff0c\u63a7\u5236\u53f0\u53ef\u80fd\u4f1a\u7206\u70b8\uff01\uff09 \u8fd8\u652f\u6301\u53cd\u6c47\u7f16 rom\uff0c\u4e3a\u6b64\u60a8\u9700\u8981\u63d0\u4ea4\u4e00\u4e2a rom \u6587\u4ef6\u4f5c\u4e3a\u8f93\u5165\uff0c\u4e0d\u5e26 .asm \u6216 .gen68KryBabyDisasm \u6269\u5c55\u540d\u3002\u64cd\u4f5c\u7801\u652f\u6301\u5c06\u6839\u636e\u6211\u5bf9\u8be5\u4e3b\u9898\u7684\u5174\u8da3\u548c\u8d21\u732e\u8005\u7684\u53c2\u4e0e\u800c\u589e\u52a0\u6216\u51cf\u5c11\u3002 \u7ed3\u6784 Sega ROM \u6807\u5934\u5360\u636e\u524d 512 \u4e2a\u5b57\u8282\u3002\u5b83\u5305\u542b\u6709\u5173\u6e38\u620f\u3001\u540d\u79f0\u3001\u652f\u6301\u7684\u5916\u56f4\u8bbe\u5907\u3001\u6821\u9a8c\u548c\u4ee5\u53ca\u5176\u4ed6\u7cfb\u7edf\u6807\u5fd7\u7684\u4fe1\u606f\u3002\u6211\u8ba4\u4e3a\u5982\u679c\u6ca1\u6709\u6807\u9898\uff0c\u63a7\u5236\u53f0\u751a\u81f3\u4e0d\u4f1a\u770b\u6717\u59c6\u9152\uff0c\u8ba4\u4e3a\u5b83\u662f\u4e0d\u6b63\u786e\u7684\uff0c\u5e76\u8bf4\u201c\u4f60\u5728\u8fd9\u91cc\u7ed9\u6211\u4ec0\u4e48\uff1f\u201d \u6807\u5934\u4e4b\u540e\u662f\u5b50\u4f8b\u7a0b\/\u91cd\u7f6e\u5b50\u4f8b\u7a0b\uff0c\u8fd9\u662f m68K \u5904\u7406\u5668\u5f00\u59cb\u5de5\u4f5c\u7684\u5730\u65b9\u3002\u597d\u5427\uff0c\u8fd9\u662f\u4e00\u4ef6\u5c0f\u4e8b\u2026\u2026\u67e5\u627e\u64cd\u4f5c\u7801\uff08\u64cd\u4f5c\u7801\uff09\uff0c\u5373\u4ec0\u4e48\u90fd\u4e0d\u505a\uff08\uff01\uff09\u5e76\u5207\u6362\u5230\u5185\u5b58\u4e2d\u5730\u5740\u5904\u7684\u5b50\u7a0b\u5e8f\u3002\u901a\u8fc7\u8c37\u6b4c\u641c\u7d22\uff0c\u60a8\u53ef\u4ee5\u627e\u5230 NOP \u64cd\u4f5c\u7801\uff0c\u5b83\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u4ee5\u53ca JSR \u64cd\u4f5c\u7801\uff0c\u5b83\u6267\u884c\u65e0\u6761\u4ef6\u8df3\u8f6c\u5230\u53c2\u6570\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u53ea\u662f\u5c06\u56de\u8f66\u79fb\u52a8\u5230\u6211\u4eec\u8981\u6c42\u7684\u4f4d\u7f6e\uff0c\u6ca1\u6709\u4efb\u4f55\u7a81\u53d1\u5947\u60f3\u3002 \u5c06\u5b83\u4eec\u653e\u5728\u4e00\u8d77 ROM \u7684\u6807\u5934\u6350\u8d60\u8005\u662f Beta \u7248\u672c\u4e2d\u7684\u6e38\u620f\u4e4b\u4e00\uff0c\u76ee\u524d\u8bb0\u5f55\u4e3a\u5341\u516d\u8fdb\u5236\u6570\u636e\u3002 00 ffContinue reading “\u4e3a Sega Genesis #1 \u7f16\u5199\u6c47\u7f16”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[61,52],"tags":[165,166,173,172],"class_list":["post-2929","post","type-post","status-publish","format-standard","hentry","category-techie","category-tutorials","tag-asm","tag-assembly","tag-m68k","tag-roms","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"zh","enabled_languages":["en","ru","zh","de","fr","ja","pt","hi"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false}}},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/posts\/2929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/comments?post=2929"}],"version-history":[{"count":25,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/posts\/2929\/revisions"}],"predecessor-version":[{"id":3898,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/posts\/2929\/revisions\/3898"}],"wp:attachment":[{"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/media?parent=2929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/categories?post=2929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/tags?post=2929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}