ParentChunk(), 789, 810 ParseIFF(), 344, 782, 810 ParseIX(), 746 PA_SOFTINT, 527 Paula, 11, 517 PC, 518 Pens --> Performance - loss of, 920, 920 Permit(), 110, 470, 480, 520 PFBA, 545 - in dual playfield mode, 547 PGA_Freedom, 392, 394 Philosophy, 23 Pixel width, 548 PlaneOnOff - in Image structure, 226, using, 230 PlanePick - in Image structure, 226, using, 230 PLANEPTR, 552 Pointer --> Pointer Relative - requester, 206 POINTREL, 205-206, 210, 212, 213 PolyDraw(), 589, 611 Polygons, 589 PopChunk(), 787, 810 POPPUBSCREEN, 52, 83 Port, 499 - named, 502, rendezvous at, 502 PORTS, 519, 525, 526 PORTS Interrupts, 519, 525 Position --> PRED, 498 PREDRAWN, 212, 213, 214 Preemptive Task Scheduling, 518 Preferences --> Preferences structure (1.3), 333 PrefHeader structure, 337 PrinterGfxPrefs structure, 339 PrinterTxtPrefs structure, 340 printf(), 887 PrintIText(), 224, 224, 240, 240, 243, 244 Private class, 293 Privilege violation, 474 Process, 430 Process structure, 430, 434 - pr_WindowPtr, 219 Processes, 466 Processor - interrupt priority levels, 471 Productivity Mode, 537, 561 Programming guidelines, 13 PROPBORDERLESS, 140, 147 PropChunk(), 344, 783, 810 propgclass, 297 PropInfo structure, 147 PROPNEWLOOK, 140, 147 PSNF_PRIVATE, 54 Public class, 293 Public memory, 431, 456 Public Screen --> PUBLICSCREEN, 108 PubScreenNode Structure --> PubScreenStatus(), 53, 76 PushChunk(), 787, 810 putchar(), 887 PutDefDiskObject(), 353 PutDiskObject(), 353 PutMsg(), 503, 520 puts(), 887