docs(amiga): complete AmigaOS 3.1/3.2 developer reference — 172 files across 17 sections

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.

14_references/README.md

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+[← Home](../README.md)
+
+# References — Quick Lookup Tables
+
+## Section Index
+
+| File | Description |
+|---|---|
+| [custom_chip_registers.md](custom_chip_registers.md) | Complete custom chip register map |
+| [exec_lvo_table.md](exec_lvo_table.md) | exec.library LVO offset table |
+| [dos_lvo_table.md](dos_lvo_table.md) | dos.library LVO offset table |
+| [error_codes.md](error_codes.md) | Complete DOS error code reference |

14_references/custom_chip_registers.md

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+[← Home](../README.md) · [References](README.md)
+
+# Custom Chip Register Map
+
+## Overview
+
+All Amiga custom chip registers are memory-mapped at base address `$DFF000`. This is the complete register map for OCS/ECS/AGA.
+
+---
+
+## Register Table
+
+| Offset | Name | R/W | Description |
+|---|---|---|---|
+| `$000` | `BLTDDAT` | R | Blitter destination early read |
+| `$002` | `DMACONR` | R | DMA control read |
+| `$004` | `VPOSR` | R | Beam position (V high bits + LOF) |
+| `$006` | `VHPOSR` | R | Beam position (V low + H) |
+| `$008` | `DSKDATR` | R | Disk data early read |
+| `$00A` | `JOY0DAT` | R | Joystick/mouse port 0 |
+| `$00C` | `JOY1DAT` | R | Joystick/mouse port 1 |
+| `$00E` | `CLXDAT` | R | Collision detection |
+| `$010` | `ADKCONR` | R | Audio/disk control read |
+| `$012` | `POT0DAT` | R | Pot port 0 data |
+| `$014` | `POT1DAT` | R | Pot port 1 data |
+| `$016` | `POTGOR` | R | Pot port data read |
+| `$018` | `SERDATR` | R | Serial port data + status |
+| `$01A` | `DSKBYTR` | R | Disk data byte + status |
+| `$01C` | `INTENAR` | R | Interrupt enable read |
+| `$01E` | `INTREQR` | R | Interrupt request read |
+| `$020` | `DSKPTH` | W | Disk DMA pointer (high) |
+| `$022` | `DSKPTL` | W | Disk DMA pointer (low) |
+| `$024` | `DSKLEN` | W | Disk DMA length |
+| `$026` | `DSKDAT` | W | Disk DMA data write |
+| `$028` | `REFPTR` | W | Refresh pointer |
+| `$02A` | `VPOSW` | W | Beam position write (V) |
+| `$02C` | `VHPOSW` | W | Beam position write (H) |
+| `$02E` | `COPCON` | W | Copper control |
+| `$030` | `SERDAT` | W | Serial port data write |
+| `$032` | `SERPER` | W | Serial port period/control |
+| `$034` | `POTGO` | W | Pot port control |
+| `$036` | `JOYTEST` | W | Joystick counter test |
+| `$038` | `STREQU` | S | Short frame strobe (ECS) |
+| `$03A` | `STRVBL` | S | Vertical blank strobe (ECS) |
+| `$03C` | `STRHOR` | S | Horizontal sync strobe (ECS) |
+| `$03E` | `STRLONG` | S | Long frame strobe (ECS) |
+| `$040` | `BLTCON0` | W | Blitter control 0 |
+| `$042` | `BLTCON1` | W | Blitter control 1 |
+| `$044` | `BLTAFWM` | W | Blitter A first word mask |
+| `$046` | `BLTALWM` | W | Blitter A last word mask |
+| `$048` | `BLTCPTH` | W | Blitter C pointer (high) |
+| `$04A` | `BLTCPTL` | W | Blitter C pointer (low) |
+| `$04C` | `BLTBPTH` | W | Blitter B pointer (high) |
+| `$04E` | `BLTBPTL` | W | Blitter B pointer (low) |
+| `$050` | `BLTAPTH` | W | Blitter A pointer (high) |
+| `$052` | `BLTAPTL` | W | Blitter A pointer (low) |
+| `$054` | `BLTDPTH` | W | Blitter D pointer (high) |
+| `$056` | `BLTDPTL` | W | Blitter D pointer (low) |
+| `$058` | `BLTSIZE` | W | Blitter size (starts blit) |
+| `$05A` | `BLTCON0L` | W | Blitter control 0 (lower bits, ECS) |
+| `$05C` | `BLTSIZV` | W | Blitter V size (ECS) |
+| `$05E` | `BLTSIZH` | W | Blitter H size (ECS, starts blit) |
+| `$060` | `BLTCMOD` | W | Blitter C modulo |
+| `$062` | `BLTBMOD` | W | Blitter B modulo |
+| `$064` | `BLTAMOD` | W | Blitter A modulo |
+| `$066` | `BLTDMOD` | W | Blitter D modulo |
+| `$070` | `BLTCDAT` | W | Blitter C data |
+| `$072` | `BLTBDAT` | W | Blitter B data |
+| `$074` | `BLTADAT` | W | Blitter A data |
+| `$078` | `SPRHDAT` | W | Ext sprite data (ECS) |
+| `$07C` | `DENISEID` | R | Denise/Lisa chip ID (ECS/AGA) |
+| `$07E` | `DSKSYNC` | W | Disk sync pattern |
+| `$080`–`$08C` | `COP1LCH`–`COP2LCL` | W | Copper list 1/2 pointers |
+| `$088` | `COPJMP1` | S | Copper jump strobe 1 |
+| `$08A` | `COPJMP2` | S | Copper jump strobe 2 |
+| `$08C` | `COPINS` | W | Copper instruction fetch |
+| `$08E` | `DIWSTRT` | W | Display window start |
+| `$090` | `DIWSTOP` | W | Display window stop |
+| `$092` | `DDFSTRT` | W | Data fetch start |
+| `$094` | `DDFSTOP` | W | Data fetch stop |
+| `$096` | `DMACON` | W | DMA control write |
+| `$098` | `CLXCON` | W | Collision control |
+| `$09A` | `INTENA` | W | Interrupt enable |
+| `$09C` | `INTREQ` | W | Interrupt request |
+| `$09E` | `ADKCON` | W | Audio/disk control |
+| `$0A0`–`$0D8` | `AUD0–3` | W | Audio channels (PTH/PTL/LEN/PER/VOL/DAT) |
+| `$0E0`–`$0FE` | `BPL1PTH`–`BPL8PTL` | W | Bitplane pointers 1–8 |
+| `$100` | `BPLCON0` | W | Bitplane control 0 |
+| `$102` | `BPLCON1` | W | Bitplane control 1 (scroll) |
+| `$104` | `BPLCON2` | W | Bitplane control 2 (priority) |
+| `$106` | `BPLCON3` | W | Bitplane control 3 (AGA) |
+| `$108` | `BPL1MOD` | W | Bitplane modulo (odd planes) |
+| `$10A` | `BPL2MOD` | W | Bitplane modulo (even planes) |
+| `$10C` | `BPLCON4` | W | Bitplane control 4 (AGA) |
+| `$110`–`$11E` | `BPL1DAT`–`BPL8DAT` | W | Bitplane data |
+| `$120`–`$13E` | `SPR0PTH`–`SPR7PTL` | W | Sprite pointers 0–7 |
+| `$140`–`$17E` | `SPR0POS`–`SPR7DATB` | W | Sprite position/control/data |
+| `$180`–`$1BE` | `COLOR00`–`COLOR31` | W | Colour palette registers |
+| `$1C0` | `HTOTAL` | W | H total (ECS) |
+| `$1C2` | `HSSTOP` | W | H sync stop (ECS) |
+| `$1C4` | `HBSTRT` | W | H blank start (ECS) |
+| `$1C6` | `HBSTOP` | W | H blank stop (ECS) |
+| `$1C8` | `VTOTAL` | W | V total (ECS) |
+| `$1CA` | `VSSTOP` | W | V sync stop (ECS) |
+| `$1CC` | `VBSTRT` | W | V blank start (ECS) |
+| `$1CE` | `VBSTOP` | W | V blank stop (ECS) |
+| `$1DC` | `BEAMCON0` | W | Beam counter control (ECS) |
+| `$1DE` | `HSSTRT` | W | H sync start (ECS) |
+| `$1E0` | `VSSTRT` | W | V sync start (ECS) |
+| `$1E4` | `DIWHIGH` | W | Display window high bits (ECS) |
+| `$1FC` | `FMODE` | W | Fetch mode (AGA) |
+
+---
+
+## DMA Enable Bits (DMACON)
+
+| Bit | Name | Description |
+|---|---|---|
+| 0 | `AUD0EN` | Audio channel 0 |
+| 1 | `AUD1EN` | Audio channel 1 |
+| 2 | `AUD2EN` | Audio channel 2 |
+| 3 | `AUD3EN` | Audio channel 3 |
+| 4 | `DSKEN` | Disk DMA |
+| 5 | `SPREN` | Sprite DMA |
+| 6 | `BLTEN` | Blitter DMA |
+| 7 | `COPEN` | Copper DMA |
+| 8 | `BPLEN` | Bitplane DMA |
+| 9 | `DMAEN` | Master DMA enable |
+| 10 | `BLTPRI` | Blitter priority (nasty) |
+| 15 | `SET/CLR` | Set/clear control |
+
+---
+
+## Interrupt Bits (INTENA/INTREQ)
+
+| Bit | Name | Description |
+|---|---|---|
+| 0 | `TBE` | Serial transmit buffer empty |
+| 1 | `DSKBLK` | Disk block finished |
+| 2 | `SOFT` | Software interrupt |
+| 3 | `PORTS` | CIA-A (I/O ports, timers) |
+| 4 | `COPER` | Copper |
+| 5 | `VERTB` | Vertical blank |
+| 6 | `BLIT` | Blitter finished |
+| 7 | `AUD0` | Audio channel 0 |
+| 8 | `AUD1` | Audio channel 1 |
+| 9 | `AUD2` | Audio channel 2 |
+| 10 | `AUD3` | Audio channel 3 |
+| 11 | `RBF` | Serial receive buffer full |
+| 12 | `DSKSYN` | Disk sync word found |
+| 13 | `EXTER` | CIA-B (parallel, serial) |
+| 14 | `INTEN` | Master interrupt enable |
+| 15 | `SET/CLR` | Set/clear control |
+
+---
+
+## References
+
+- HRM: *Amiga Hardware Reference Manual* — complete register descriptions
+- NDK39: `hardware/custom.h`, `hardware/dmabits.h`, `hardware/intbits.h`

14_references/dos_lvo_table.md

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+[← Home](../README.md) · [References](README.md)
+
+# dos.library — LVO Offset Table
+
+## Complete LVO Table (NDK 3.9, Public Functions)
+
+| LVO | Bias | Function |
+|---|---|---|
+| −30 | 30 | Open |
+| −36 | 36 | Close |
+| −42 | 42 | Read |
+| −48 | 48 | Write |
+| −54 | 54 | Input |
+| −60 | 60 | Output |
+| −66 | 66 | Seek |
+| −72 | 72 | DeleteFile |
+| −78 | 78 | Rename |
+| −84 | 84 | Lock |
+| −90 | 90 | UnLock |
+| −96 | 96 | DupLock |
+| −102 | 102 | Examine |
+| −108 | 108 | ExNext |
+| −114 | 114 | Info |
+| −120 | 120 | CreateDir |
+| −126 | 126 | CurrentDir |
+| −132 | 132 | IoErr |
+| −138 | 138 | CreateProc |
+| −144 | 144 | Exit |
+| −150 | 150 | LoadSeg |
+| −156 | 156 | UnLoadSeg |
+| −162 | 162 | DeviceProc (private) |
+| −168 | 168 | SetComment |
+| −174 | 174 | SetProtection |
+| −180 | 180 | DateStamp |
+| −186 | 186 | Delay |
+| −192 | 192 | WaitForChar |
+| −198 | 198 | ParentDir |
+| −204 | 204 | IsInteractive |
+| −210 | 210 | Execute |
+| −216 | 216 | AllocDosObject |
+| −222 | 222 | FreeDosObject |
+| −228 | 228 | DoPkt |
+| −234 | 234 | SendPkt |
+| −240 | 240 | WaitPkt |
+| −246 | 246 | ReplyPkt |
+| −252 | 252 | AbortPkt |
+| −258 | 258 | LockRecord |
+| −264 | 264 | LockRecords |
+| −270 | 270 | UnLockRecord |
+| −276 | 276 | UnLockRecords |
+| −282 | 282 | SelectInput |
+| −288 | 288 | SelectOutput |
+| −294 | 294 | FGetC |
+| −300 | 300 | FPutC |
+| −306 | 306 | UnGetC |
+| −312 | 312 | FRead |
+| −318 | 318 | FWrite |
+| −324 | 324 | FGets |
+| −330 | 330 | FPuts |
+| −336 | 336 | VFWritef |
+| −342 | 342 | VFPrintf |
+| −348 | 348 | Flush |
+| −354 | 354 | SetVBuf |
+| −360 | 360 | DupLockFromFH |
+| −366 | 366 | OpenFromLock |
+| −372 | 372 | ParentOfFH |
+| −378 | 378 | ExamineFH |
+| −384 | 384 | SetFileDate |
+| −390 | 390 | NameFromLock |
+| −396 | 396 | NameFromFH |
+| −402 | 402 | SplitName |
+| −408 | 408 | SameLock |
+| −414 | 414 | SetMode |
+| −420 | 420 | ExAll |
+| −426 | 426 | ReadLink |
+| −432 | 432 | MakeLink |
+| −438 | 438 | ChangeMode |
+| −444 | 444 | SetFileSize |
+| −450 | 450 | SetIoErr |
+| −456 | 456 | Fault |
+| −462 | 462 | PrintFault |
+| −468 | 468 | ErrorReport |
+| −474 | 474 | Cli (private) |
+| −480 | 480 | CreateNewProc |
+| −486 | 486 | RunCommand |
+| −492 | 492 | GetConsoleTask |
+| −498 | 498 | SetConsoleTask |
+| −504 | 504 | GetFileSysTask |
+| −510 | 510 | SetFileSysTask |
+| −516 | 516 | GetArgStr |
+| −522 | 522 | SetArgStr |
+| −528 | 528 | FindCliProc |
+| −534 | 534 | MaxCli |
+| −540 | 540 | SetCurrentDirName |
+| −546 | 546 | GetCurrentDirName |
+| −552 | 552 | SetProgramName |
+| −558 | 558 | GetProgramName |
+| −564 | 564 | SetPrompt |
+| −570 | 570 | GetPrompt |
+| −576 | 576 | SetProgramDir |
+| −582 | 582 | GetProgramDir |
+| −588 | 588 | SystemTagList |
+| −594 | 594 | AssignLock |
+| −600 | 600 | AssignLate |
+| −606 | 606 | AssignPath |
+| −612 | 612 | AssignAdd |
+| −618 | 618 | RemAssignList |
+| −624 | 624 | GetDeviceProc |
+| −630 | 630 | FreeDeviceProc |
+| −636 | 636 | LockDosList |
+| −642 | 642 | UnLockDosList |
+| −648 | 648 | AttemptLockDosList |
+| −654 | 654 | RenameDosEntry |
+| −660 | 660 | AddDosEntry |
+| −666 | 666 | RemDosEntry |
+| −672 | 672 | FindDosEntry |
+| −678 | 678 | NextDosEntry |
+| −684 | 684 | MakeDosEntry |
+| −690 | 690 | FreeDosEntry |
+| −696 | 696 | IsFileSystem |
+| −702 | 702 | Format |
+| −708 | 708 | Relabel |
+| −714 | 714 | Inhibit |
+| −720 | 720 | AddBuffers |
+| −726 | 726 | CompareDates |
+| −732 | 732 | DateToStr |
+| −738 | 738 | StrToDate |
+| −744 | 744 | InternalLoadSeg |
+| −750 | 750 | InternalUnLoadSeg |
+| −756 | 756 | NewLoadSeg |
+| −762 | 762 | AddSegment |
+| −768 | 768 | FindSegment |
+| −774 | 774 | RemSegment |
+| −780 | 780 | CheckSignal |
+| −786 | 786 | ReadArgs |
+| −792 | 792 | FindArg |
+| −798 | 798 | ReadItem |
+| −804 | 804 | StrToLong |
+| −810 | 810 | MatchFirst |
+| −816 | 816 | MatchNext |
+| −822 | 822 | MatchEnd |
+| −828 | 828 | ParsePattern |
+| −834 | 834 | MatchPattern |
+| −840 | 840 | FreeArgs |
+| −846 | 846 | FilePart |
+| −852 | 852 | PathPart |
+| −858 | 858 | AddPart |
+| −864 | 864 | StartNotify |
+| −870 | 870 | EndNotify |
+| −876 | 876 | SetVar |
+| −882 | 882 | GetVar |
+| −888 | 888 | DeleteVar |
+| −894 | 894 | FindVar |
+| −900 | 900 | CliInitNewcli (private) |
+| −906 | 906 | CliInitRun (private) |
+| −912 | 912 | WriteChars |
+| −918 | 918 | PutStr |
+| −924 | 924 | VPrintf |
+| −930 | 930 | ParsePatternNoCase |
+| −936 | 936 | MatchPatternNoCase |
+| −942 | 942 | SameDevice (private) |
+| −948 | 948 | ExAllEnd |
+| −954 | 954 | SetOwner |
+
+---
+
+## References
+
+- NDK39: `fd/dos_lib.fd`

14_references/error_codes.md

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+[← Home](../README.md) · [References](README.md)
+
+# DOS Error Codes — Complete Reference
+
+Duplicate of `07_dos/error_handling.md` error table — see that file for the full list with descriptions.
+
+This file is kept as a quick cross-reference entry point.
+
+→ [Full error code table](../07_dos/error_handling.md)

14_references/exec_lvo_table.md

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+[← Home](../README.md) · [References](README.md)
+
+# exec.library — LVO Offset Table
+
+## Complete LVO Table (NDK 3.9)
+
+| LVO | Bias | Function |
+|---|---|---|
+| −30 | 30 | Supervisor |
+| −36 | 36 | ExitIntr (private) |
+| −42 | 42 | Schedule (private) |
+| −48 | 48 | Reschedule (private) |
+| −54 | 54 | Switch (private) |
+| −60 | 60 | Dispatch (private) |
+| −66 | 66 | Exception (private) |
+| −72 | 72 | InitCode |
+| −78 | 78 | InitStruct |
+| −84 | 84 | MakeLibrary |
+| −90 | 90 | MakeFunctions |
+| −96 | 96 | FindResident |
+| −102 | 102 | InitResident |
+| −108 | 108 | Alert |
+| −114 | 114 | Debug |
+| −120 | 120 | Forbid |
+| −126 | 126 | Permit |
+| −132 | 132 | Disable |
+| −138 | 138 | Enable |
+| −144 | 144 | SetSR |
+| −150 | 150 | SuperState |
+| −156 | 156 | UserState |
+| −162 | 162 | SetIntVector |
+| −168 | 168 | AddIntServer |
+| −174 | 174 | RemIntServer |
+| −180 | 180 | Cause |
+| −186 | 186 | Allocate |
+| −192 | 192 | Deallocate |
+| −198 | 198 | AllocMem |
+| −204 | 204 | AllocAbs |
+| −210 | 210 | FreeMem |
+| −216 | 216 | AvailMem |
+| −222 | 222 | AllocEntry |
+| −228 | 228 | FreeEntry |
+| −234 | 234 | Insert |
+| −240 | 240 | AddHead |
+| −246 | 246 | AddTail |
+| −252 | 252 | Remove |
+| −258 | 258 | RemHead |
+| −264 | 264 | RemTail |
+| −270 | 270 | Enqueue |
+| −276 | 276 | FindName |
+| −282 | 282 | AddTask |
+| −288 | 288 | RemTask |
+| −294 | 294 | FindTask |
+| −300 | 300 | SetTaskPri |
+| −306 | 306 | SetSignal |
+| −312 | 312 | SetExcept |
+| −318 | 318 | Wait |
+| −324 | 324 | Signal |
+| −330 | 330 | AllocSignal |
+| −336 | 336 | FreeSignal |
+| −342 | 342 | AllocTrap |
+| −348 | 348 | FreeTrap |
+| −354 | 354 | AddPort |
+| −360 | 360 | RemPort |
+| −366 | 366 | PutMsg |
+| −372 | 372 | GetMsg |
+| −378 | 378 | ReplyMsg |
+| −384 | 384 | WaitPort |
+| −390 | 390 | FindPort |
+| −396 | 396 | AddLibrary |
+| −402 | 402 | RemLibrary |
+| −408 | 408 | OldOpenLibrary |
+| −414 | 414 | CloseLibrary |
+| −420 | 420 | SetFunction |
+| −426 | 426 | SumLibrary |
+| −432 | 432 | AddDevice |
+| −438 | 438 | RemDevice |
+| −444 | 444 | OpenDevice |
+| −450 | 450 | CloseDevice |
+| −456 | 456 | DoIO |
+| −462 | 462 | SendIO |
+| −468 | 468 | CheckIO |
+| −474 | 474 | WaitIO |
+| −480 | 480 | AbortIO |
+| −486 | 486 | AddResource |
+| −492 | 492 | RemResource |
+| −498 | 498 | OpenResource |
+| −504 | 504 | RawIOInit (private) |
+| −510 | 510 | RawMayGetChar (private) |
+| −516 | 516 | RawPutChar (private) |
+| −522 | 522 | RawDoFmt |
+| −528 | 528 | GetCC |
+| −534 | 534 | TypeOfMem |
+| −540 | 540 | Procure |
+| −546 | 546 | Vacate |
+| −552 | 552 | OpenLibrary |
+| −558 | 558 | InitSemaphore |
+| −564 | 564 | ObtainSemaphore |
+| −570 | 570 | ReleaseSemaphore |
+| −576 | 576 | AttemptSemaphore |
+| −582 | 582 | ObtainSemaphoreList |
+| −588 | 588 | ReleaseSemaphoreList |
+| −594 | 594 | FindSemaphore |
+| −600 | 600 | AddSemaphore |
+| −606 | 606 | RemSemaphore |
+| −612 | 612 | SumKickData |
+| −618 | 618 | AddMemList |
+| −624 | 624 | CopyMem |
+| −630 | 630 | CopyMemQuick |
+| −636 | 636 | CacheClearU |
+| −642 | 642 | CacheClearE |
+| −648 | 648 | CacheControl |
+| −654 | 654 | CreateIORequest |
+| −660 | 660 | DeleteIORequest |
+| −666 | 666 | CreateMsgPort |
+| −672 | 672 | DeleteMsgPort |
+| −678 | 678 | ObtainSemaphoreShared |
+| −684 | 684 | AllocVec |
+| −690 | 690 | FreeVec |
+| −696 | 696 | CreatePool |
+| −702 | 702 | DeletePool |
+| −708 | 708 | AllocPooled |
+| −714 | 714 | FreePooled |
+| −720 | 720 | AttemptSemaphoreShared |
+| −726 | 726 | ColdReboot |
+| −732 | 732 | StackSwap |
+| −738 | 738 | ChildFree (private) |
+| −744 | 744 | ChildOrphan (private) |
+| −750 | 750 | ChildStatus (private) |
+| −756 | 756 | ChildWait (private) |
+| −762 | 762 | CachePreDMA |
+| −768 | 768 | CachePostDMA |
+| −774 | 774 | AddMemHandler |
+| −780 | 780 | RemMemHandler |
+| −786 | 786 | ObtainQuickVector |
+
+---
+
+## References
+
+- NDK39: `fd/exec_lib.fd`
+- Use `parse_fd.py` from `13_toolchain/fd_files.md` to regenerate