Commodore 64 Manual de usuario descargar pdf (Pagina 7)

. Indexing 223

Indirect Indexed 223

Indexed Indirect 224

Branches and Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 226

. Subroutines 228

. Useful Tips for the Beginner 229

. Approaching a Large Task. . . . . . . . . . . . . . . . . . . . . . . . . . .. 230

. MCS6510 Microprocessor Instruction Set-

Alphabetic Sequence "'. . . . . . . . . . . . . . . . . . . . . . . . .. 232

Instruction Addressing Modes and

Related Execution Times. . . . . . . . . . . . . . . . . . . . . . . . .. 254

. Memory Management on the Commodore 64 . . . . .. . . .. . .. 260

. The KERNAL.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 268

. KERNALPower-Up Activities. . . . . . . . . . . . . . . . . . . . . . . . . .. 269

How to Use the KERNAL.. . . . . . . . . . . . . . . . . . . . . . . . . .. 270

User Callable KERNALRoutines 272

Error Codes 306

. Using Machine Language From BASIC 307

Where to Put Machine Language Routines.. . . . . . . . . . .. 309

How to Enter Machine Language 309

. Commodore 64 MemoryMap ... .. ... . ... .. 310

Commodore 64 Input/Output Assignments. . . . . . . . . . . . .. 320

6. INPUT/OUTPUT GUIDE... . . . . . . . . . . . . . . . . . . . . . . . . . .. 335

. Introduction 336

. Output to the TV . . . . . .. . . . .. . . . . .. . . . .. . . . .. . . . . . ... 336

. Output to Other Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 337

Output to Printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 338

Output to Modem 339

WorkingWithCassetteTape. . . . . . . . .. . . . .. . . . . . .. .. 340

Data Storage on Floppy Diskettes. . . . . . . . . . . . . . . . . . .. 342

. The Game Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 343

Paddles 346

Light Pen 348

. RS-232 Interface Description 348

General Outline 348

Opening an RS-232 Channel 349

Getting Data From an RS-232 Channel 352

Sending Data to an RS-232 Channel 353

Closing an RS-232 Data Channel 354

Sample BASIC Programs. . . . . . . . . . . . . . . . . . . . . . . . . . .. 356

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Commodore 64 Manual de usuario Pagina 7