Compiles C and assembly programs for Sega Master System and Game Gear using z88dk.
npx skills add https://github.com/z88dk/z88dk --skill target-sms-z88dk
Please help me install this Agent Skill. Skill: target-sms Source: https://github.com/z88dk/z88dk/tree/main/.agents/skills/target-sms Command: npx skills add https://github.com/z88dk/z88dk --skill target-sms-z88dk
+sms target defaults, including the classic sms_clib library, __SMS define, and .sms ROM output via appmake. - Classic vs Newlib Guidance: Explains how to select classic or newlib (-clib=new, sdcc_ix, sdcc_iy) builds and warns about newlib stdio linking pitfalls. - Subtype Packaging: Covers the gamegear subtype producing .gg files and the none subtype for un packaged builds. - Use Case: Compile a C game with zcc +sms -vn game.c -o game -create-app to produce a runnable Master System ROM, or add -subtype=gamegear for a Game Gear build. ## Quick Start Compile my game.c file into a Sega Master System ROM using the z88dk +sms target with create-app enabled.High-intent search queries and answers about installing and using this skill.
Use the command zcc +sms -vn game.c -o game -create-app to compile C source into a .sms ROM file. The bare +sms target uses the classic library with sms_clib and the classic CRT by default.
Add the gamegear subtype to the +sms target: zcc +sms -subtype=gamegear -create-app. This applies the -Cz+sms -Cz-e -Cz.gg appmake options, defines __GAMEGEAR__, and produces a .gg file instead of .sms.
Classic is the default and links -lsms_clib with the classic sms_crt0. Newlib is selected with -clib=new, sdcc_ix, or sdcc_iy and links -lsms with sms_crt.asm.m4, but a minimal printf may not link on a bare program without a CRT that instantiates stdio.
A minimal printf may not link on a bare newlib SMS program because _stdout is not instantiated. Use the newlib SMS examples or a CRT that sets up stdio rather than assuming classic drop-in compatibility.
No, the SMS target generally has no classic disk stack. The classic library provides gencon console, hires graphics, PSG sound, joystick, and interrupt support, but file I/O is not available on this hardware.
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