Add echo command and GUI library#7
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Ramazanenescik04 wants to merge 2 commits intoshikaan:mainfrom
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Introduce C implementations for help and echo utilities (bin/help.c, bin/echo.c) and remove the old assembly help (bin/help.s). Update Makefile to include and pack echo.bin. Add a BIOS-mode GUI header (sdk/gui.h) with Mode 13h primitives (pixel, fill_rect, frame, mode switches) and a tutorial demo (tutorial/04-gui/main.c) that demonstrates the GUI usage. Also add ARRAY_SIZE macro to sdk/osle.h and adjust file modes for sdk/occ and sdk/pack.
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Apologies for the late turnaround - I somehow missed the notification for this pull request. I will run the code, do a deep review over the weekend, and come back to you. |
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This Pull Request adds a simple echo command and a GUI library. The GUI library uses BIOS Mode 13h and therefore has a maximum of 16 colors.