Apple Assembly Line

1981 Contents

January 1981:

• How to Move Memory
• Computed GOSUB for Applesoft
• Putting COPY into S-C Assembler II
• EDIT Command for S-C Assembler II

February 1981:

• Apple Noises and Other Sounds
  • Simple Tone
  • Apple "Bell" Subroutine
  • Machine-Gun Noise
  • Laser "SWOOP" Sound
  • Another Laser Blast
  • Inch-Worm Sounds
  • Touch-Tones Simulator
  • Morse Code Output
• Stuffing Object Code in Protected Places
• Multiplying on the 6502
• A String Swapper for Applesoft
• A Third Disassembler for the Apple II?

March 1981:

• A Beautiful Dump
• So-Called Unused Opcodes
• Complete 6502 Opcode Chart
• EDITASM and COPY on the Language Card
• Commented Listing of DOS 3.2.1 RWTS
• Substring Function for Applesoft

April 1981:

• Text File I/O in Assembly Language Programs
• Applesoft Internal Entry Points
• Patch S-C Assembler II for More Errors
• Fast String Input Routine for Applesoft
• Hiding Things Under DOS
• Commented Listing of DOS 3.2.1 Format
• Commented Listing of DOS 3.3 Format
• Substring Search for Applesoft

May 1981:

• Hi-Res SCRN Funtion for Applesoft
• Conquering Paddle Jitter
• Don't Be Shiftless
• 6502 Programming Model
• Commented Listing of DOS 3.2.1 $B800-BCFF

June 1981:

• Two Fancy Tone Generators
• Correction to "Hiding Things Under DOS"
• More About Multiplying on the 6502
• Specialized Multiplications
• Commented Listing of DOS 3.3 $B800-BCFF
• Beneath Apple DOS -- A Review

July 1981: