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https://github.com/alfishe/amiga-bootcamp.git
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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.
101 lines
2.6 KiB
Markdown
101 lines
2.6 KiB
Markdown
[← Home](../README.md) · [Intuition](README.md)
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# BOOPSI — Basic Object-Oriented Programming System
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## Overview
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BOOPSI is AmigaOS's class-based object system for Intuition gadgets and images. Objects receive messages via `DoMethod()` and support inheritance and notification.
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---
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## Core Methods
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| Method | Description |
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|---|---|
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| `OM_NEW` | Create new object |
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| `OM_DISPOSE` | Destroy object |
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| `OM_SET` | Set attributes |
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| `OM_GET` | Get attributes |
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| `OM_UPDATE` | Attribute changed notification |
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| `OM_NOTIFY` | Send notification to targets |
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| `GM_RENDER` | Render the gadget |
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| `GM_GOACTIVE` | Gadget activated by user |
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| `GM_HANDLEINPUT` | Process input while active |
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| `GM_GOINACTIVE` | Gadget deactivated |
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---
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## Built-in Classes
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| Class | Description |
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|---|---|
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| `rootclass` | Base class for all BOOPSI objects |
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| `gadgetclass` | Base gadget class |
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| `imageclass` | Base image class |
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| `strgclass` | String entry gadget |
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| `buttongclass` | Button gadget |
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| `propgclass` | Proportional slider |
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| `groupgclass` | Group container |
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| `frbuttonclass` | Framed button |
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| `frameiclass` | Frame image |
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| `sysiclass` | System images (checkmark, etc.) |
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| `icclass` | Interconnection (maps attributes) |
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| `modelclass` | Model for MVC pattern |
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---
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## Creating and Using Objects
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```c
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Object *button = NewObject(NULL, "frbuttonclass",
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GA_Left, 20,
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GA_Top, 40,
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GA_Width, 100,
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GA_Height, 20,
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GA_Text, "Click Me",
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GA_ID, 42,
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GA_RelVerify, TRUE,
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TAG_DONE);
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AddGadget(win, (struct Gadget *)button, -1);
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RefreshGadgets((struct Gadget *)button, win, NULL);
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/* Set attribute: */
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SetGadgetAttrs((struct Gadget *)button, win, NULL,
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GA_Disabled, TRUE,
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TAG_DONE);
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/* Get attribute: */
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ULONG value;
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GetAttr(GA_Disabled, button, &value);
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/* Cleanup: */
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RemoveGadget(win, (struct Gadget *)button);
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DisposeObject(button);
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```
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---
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## Writing a Custom Class
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```c
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Class *myclass = MakeClass(NULL, "gadgetclass", NULL,
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sizeof(struct MyData), 0);
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myclass->cl_Dispatcher.h_Entry = (HOOKFUNC)myDispatcher;
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ULONG myDispatcher(Class *cl, Object *o, Msg msg) {
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switch (msg->MethodID) {
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case OM_NEW: return myNew(cl, o, (struct opSet *)msg);
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case OM_DISPOSE: return myDispose(cl, o, msg);
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case GM_RENDER: return myRender(cl, o, (struct gpRender *)msg);
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default: return DoSuperMethodA(cl, o, msg);
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}
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}
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```
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---
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## References
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- NDK39: `intuition/classusr.h`, `intuition/classes.h`
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- ADCD 2.1: `NewObject`, `DisposeObject`, `SetAttrs`, `GetAttr`, `DoMethod`
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