Cookies on oxfam

We use cookies to ensure that you have the best experience on our website. If you continue browsing, we’ll assume that you are happy to receive all our cookies. You can change your cookie settings at any time. Find out more Close

  • Grows vegetables
  • Fills classrooms
  • Drills wells
  • Empowers women
  • Fights poverty

6502 assembly language subroutines

£14.99

Product description

The authors and the publisher apparently assume that if you don't know which computers use the 6502 microprocessor, you wouldn't be interested in this book, which doesn't reveal until page 54 that the 6502 is used in the Apple.

The first three chapters are tutorial, on General Programming Methods (with a quick summary for experienced programmers), Implementing Additional Instructions and Addressing Modes (how to add them), and Common Programming Errors. The 40-puls subroutines are contained in eight chapters, on Code Conversion, Array Manipulation and Indexing, Arithmetic, Bit Manipulation and Shifts, String Manipulation, Array Operations, Input/Output, and Interrupts. Three appendixes provide a summary of the 6502 instruction set, a programming reference for the 6522 interface adapter, and the ASCII character set. A 24-page glossary completes the book.

The book is as thorough as just about every Osborne publication, and just about as complex. Each subroutine is documented completely, including the purpose of the routine, procedure followed, registers used, execution time, program size, data memory required, special cases, entry and exit conditions, and examples.

Leventhal, already known for his clear, detailed writing about assembly language in several publications, adds another star to his crown with this excellent book, "aimed at the person who wants to use assembly language immediately, rather than just learn about it.' This is not easy to read; the authors pack a great deal in each page, and a previous knowledge of assembler would help very much. If you have an Apple and want to know more than just Basic, to the extent you're willing to dig hard, buy this book.


Page and cover wear. Some writing on inside cover.

Item details

Author(s):
Lance A. Leventhal, Winthrop Saville
Condition:
Used: good
Edition:
1982
Format:
Paperback
ISBN-10:
0931988594
ISBN-13:
9780931988592
Number of pages:
550
Publisher:
Osborne/McGraw-Hill

Standard UK Delivery (£3.95 per order)

Delivery FAQs

Free returns

within 21 days.
Returns policy

About this item

The authors and the publisher apparently assume that if you don't know which computers use the 6502 microprocessor, you wouldn't be interested in this book, which doesn't reveal until page 54 that the 6502 is used in the Apple.

The first three chapters are tutorial, on General Programming Methods (with a quick summary for experienced programmers), Implementing Additional Instructions and Addressing Modes (how to add them), and Common Programming Errors. The 40-puls subroutines are contained in eight chapters, on Code Conversion, Array Manipulation and Indexing, Arithmetic, Bit Manipulation and Shifts, String Manipulation, Array Operations, Input/Output, and Interrupts. Three appendixes provide a summary of the 6502 instruction set, a programming reference for the 6522 interface adapter, and the ASCII character set. A 24-page glossary completes the book.

The book is as thorough as just about every Osborne publication, and just about as complex. Each subroutine is documented completely, including the purpose of the routine, procedure followed, registers used, execution time, program size, data memory required, special cases, entry and exit conditions, and examples.

Leventhal, already known for his clear, detailed writing about assembly language in several publications, adds another star to his crown with this excellent book, "aimed at the person who wants to use assembly language immediately, rather than just learn about it.' This is not easy to read; the authors pack a great deal in each page, and a previous knowledge of assembler would help very much. If you have an Apple and want to know more than just Basic, to the extent you're willing to dig hard, buy this book.


Page and cover wear. Some writing on inside cover.

Author(s):
Lance A. Leventhal, Winthrop Saville
Condition:
Used: good
Edition:
1982
Format:
Paperback
ISBN-10:
0931988594
ISBN-13:
9780931988592
Number of pages:
550
Publisher:
Osborne/McGraw-Hill

Delivery & returns

This item will be dispatched to UK addresses via second class post within 2 working days of receipt of your order. Standard UK delivery is £3.95 per order , so you're only charged once no matter how many items you have in your basket. Any additional courier charges will be applied at checkout as they vary depending on delivery address.

You can find out more about delivery and returns in our help section.

We offer a no quibble returns policy as follows:

Wedding dresses: 14 days

Overseas returns: 31 days

Everything else: 21 days


This item is also available for international delivery by airmail, carrying a mandatory delivery charge of:

Europe: £8.00

Outside Europe: £15.00

Volunteer listed

Wonder how this unique item ended up online?

Most of the second-hand items you see online have been donated, by supporters like you, to our high street stores. Each item is then priced, photographed and listed on this site by our amazing team of volunteers from across the country.

After you have bought your item, our team of volunteers package and dispatch it from the Shop straight to you or your chosen recipient.

All profits from the sales of our goods go towards funding Oxfam's work around the world. We rely on your donations to sell online so please keep the cycle of goodness going!

To find out more about volunteering with Oxfam, please visit our how to volunteer page.

Oxfam Bookshop Carlisle

We are a specialist Oxfam books and music shop. We stock a wide range of books from modern paperback and hardback fiction to specialist non-fiction including travel, biography, sport, art, craft, gardening, cookery and photography, religion and natural history, a range of children's books and many local interest books. We also have a wide variety of old and interesting publications including some rare and collectible items. We stock music in vinyl and CD, together with some DVD and videos. We have modern pop, rock and contemporary music and a large selection of classical vinyl and sheet music. In store we also stock greetings cards and the full range of Oxfam Unwrapped gifts.

View Shop