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Comprehensive technical documentation covering: - Hardware: OCS/ECS/AGA custom chip registers, Copper & Blitter deep dives - Boot sequence: cold boot through startup-sequence - Binary format: HUNK executable spec, relocation, debug info - Linking & ABI: .fd files, LVO tables, register calling conventions - Exec kernel: tasks, interrupts, memory, signals, semaphores - AmigaDOS: file I/O, FFS/OFS layout, CLI/Shell scripting - Graphics: planar bitmaps, Copper programming, HAM/EHB modes - Intuition: screens, windows, IDCMP, BOOPSI - Devices: trackdisk, SCSI, serial, timer, audio, keyboard - Libraries: utility, expansion, IFFParse, locale, ARexx - Networking: bsdsocket API, SANA-II, TCP/IP stack comparison - Toolchain: GCC, vasm/vlink, SAS/C, NDK, debugging - Reverse engineering: IDA/Ghidra setup, compiler fingerprints, case studies - CPU & MMU: 68040/060 emulation libs, PMMU, cache management - Driver development: SANA-II, Picasso96/RTG, AHI audio All files include breadcrumb navigation. No local paths or proprietary content.
66 lines
1.8 KiB
Markdown
66 lines
1.8 KiB
Markdown
[← Home](../README.md) · [Libraries](README.md)
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# icon.library — Workbench Icons (.info Files)
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## Overview
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Every Workbench-visible file has a companion `.info` file containing its icon imagery, tooltypes, and default tool. `icon.library` provides reading/writing these structures.
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---
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## struct DiskObject
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```c
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/* workbench/workbench.h — NDK39 */
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struct DiskObject {
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UWORD do_Magic; /* $E310 = WB_DISKMAGIC */
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UWORD do_Version; /* WB_DISKVERSION */
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struct Gadget do_Gadget; /* the icon gadget */
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UBYTE do_Type; /* WBDISK, WBTOOL, WBPROJECT, etc. */
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char *do_DefaultTool; /* default tool path */
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char **do_ToolTypes; /* NULL-terminated string array */
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LONG do_CurrentX; /* icon X position */
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LONG do_CurrentY; /* icon Y position */
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BPTR do_DrawerData; /* drawer window position (BPTR) */
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char *do_ToolWindow; /* tool window spec */
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LONG do_StackSize; /* stack size for tool */
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};
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```
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---
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## Icon Types
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| Constant | Value | Description |
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|---|---|---|
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| `WBDISK` | 1 | Disk/volume icon |
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| `WBDRAWER` | 2 | Drawer (directory) |
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| `WBTOOL` | 3 | Executable tool |
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| `WBPROJECT` | 4 | Project (document) |
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| `WBGARBAGE` | 5 | Trashcan |
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| `WBDEVICE` | 6 | Device |
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| `WBKICK` | 7 | Kickstart disk |
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| `WBAPPICON` | 8 | AppIcon (OS 2.0+) |
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---
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## ToolTypes
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ToolTypes are key=value strings stored in `do_ToolTypes`:
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```c
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struct DiskObject *dobj = GetDiskObject("myapp");
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if (dobj) {
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char *val = FindToolType(dobj->do_ToolTypes, "PUBSCREEN");
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if (val) Printf("Screen: %s\n", val);
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if (MatchToolValue(FindToolType(dobj->do_ToolTypes, "FLAGS"), "DEBUG"))
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Printf("Debug mode\n");
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FreeDiskObject(dobj);
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}
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```
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---
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## References
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- NDK39: `workbench/workbench.h`, `workbench/icon.h`
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