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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.
60 lines
1.4 KiB
Markdown
60 lines
1.4 KiB
Markdown
[← Home](../README.md) · [Libraries](README.md)
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# rexxsyslib.library — ARexx Interface
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## Overview
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ARexx is the Amiga's built-in macro/scripting language (based on REXX). `rexxsyslib.library` provides APIs for hosting ARexx ports, sending commands, and receiving results.
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---
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## Adding an ARexx Port
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```c
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struct MsgPort *arexxPort = CreateMsgPort();
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arexxPort->mp_Node.ln_Name = "MYAPP";
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arexxPort->mp_Node.ln_Pri = 0;
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AddPort(arexxPort);
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/* In event loop, check for ARexx messages: */
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struct RexxMsg *rmsg;
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while ((rmsg = (struct RexxMsg *)GetMsg(arexxPort))) {
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STRPTR cmd = ARG0(rmsg); /* the command string */
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/* Parse and execute command... */
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rmsg->rm_Result1 = 0; /* RC = 0 (success) */
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rmsg->rm_Result2 = 0;
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ReplyMsg((struct Message *)rmsg);
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}
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RemPort(arexxPort);
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DeleteMsgPort(arexxPort);
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```
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---
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## Sending ARexx Commands
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```c
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struct MsgPort *replyPort = CreateMsgPort();
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struct RexxMsg *rmsg = CreateRexxMsg(replyPort, NULL, NULL);
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rmsg->rm_Args[0] = CreateArgstring("QUIT", 4);
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rmsg->rm_Action = RXCOMM;
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struct MsgPort *target = FindPort("TARGETAPP");
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if (target) {
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PutMsg(target, &rmsg->rm_Node);
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WaitPort(replyPort);
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GetMsg(replyPort);
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/* rmsg->rm_Result1 = return code */
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}
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DeleteArgstring(rmsg->rm_Args[0]);
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DeleteRexxMsg(rmsg);
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DeleteMsgPort(replyPort);
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```
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---
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## References
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- NDK39: `rexx/storage.h`, `rexx/rxslib.h`
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