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554 Results for "8-bit cpu"

  • Keyboard Controller with Joystick for MSX (2)
  • Hacker page     by danjovic
  • Added a second diode to enhance the detection And drafted some driver code that provides scan and decode that takes 98 bytes plus 5 RAM addresses. ; Scan Atari keyboard and single button joystick using ; and adapter with 74LS139 ; PSG IO addresses PSGAD:...

  • Electronics Goldmine Assortments II
  • Hacker page     by alpha_ninja
  • Time for another Electronics Goldmine analysis!2x Box of ICs (>50)19135; $10.00 ($2.99 when I bought them.)---------- more ----------2x CD4002CN - Dual 4-input NOR Gate1x CD4020BCN - 14 bit up counter/divider1x CD4034BE - 8 bit ser/par to ser/par shift...

  • STM8S103F3P6TR Microcontrollers Datesheet
  • Hacker page     by daenorthugh
  • Product Overview The STM8S103F2/x3 access line 8-bit microcontrollers offer 8 Kbyte Flash program memory, plus integrated true data EEPROM. The STM8S microcontroller family reference manual (RM0016) refers to devices in this family as low-density. They...

  • MCZ33298EG Power Switch Datasheet
  • Hacker page     by daenorthugh
  • Product Overview The 33298 is a smart eight output low side power switch. It is a versatile device incorporating an 8-bit serial-in shift register to control an 8-bit parallel output latch providing control of eight independent "ON/OFF" output switches....

  • Investigating the MSX Ninja-Tap
  • Hacker page     by danjovic
  • The Ninja Tap is an adapter that allows to use up to 4 joysticks per MSX port (MSX Wiki).There is not much information available on such adapter, let alone the schematics.I wanted to build a clone of such adapter then I have started to disassemble a...

  • retro computing & lions
  • Hacker page     by lion mclionhead
  • Ready Player One might be the peak of retro computing fever or at least the peak of attention to it.  FVWM was written in 1993. XTerm was written in 1984. NEdit was written in 1992. X11 began in 1984. So lions have manely used the same tools since...

  • Inventory of all my chips
  • Hacker page     by Dylan Brophy
  • ChipQuantityDescription7417544 bit register with universal clock7417416 bit register with universal clock7417311+quad D flip-flop, tri state, asynchronous clear74451BCD to decimal decoder7416113pre/resettable 4-bit counter74hc147210-to-4 line encoder7415128...

  • A closer look at NEWPAD subrom routine
  • Hacker page     by danjovic
  • After spent some time unsuccessfully looking for precise information about the Mouse protocol used by MSX computers I got a subrom binary to disassemble and take a look. Mouse reading is performed by NEWPAD subroutine at address 0x1ad but the reading...

  • Apple][+ Videx Videoterm Card (80 Columns) Emulation
  • Hacker page     by Augusto Baffa
  • // Videx Videoterm Card Emulator // by Augusto Baffa feb 2024 // // Based on Apple II Simulator // by Peter Koch, May 6, 1993 int videx_slot = 3; bool card_videx = true; bool card_videx_mem_on = false; bool card_videx_80col = false; class VidexCard...

  • Pre-MIDI MUSIC for the Apple II (1/2)
  • Hacker page     by Ralphw
  • I have a small collection of keyboards designed to plug into the Apple II.The Passport Designs Soundchaser keyboard is a four octave keyboard, typically paired with the Mountain Computer Music System board set.  It can do 16 voices, in any...

  • Ideas for my Linear RGB clock
  • Hacker page     by danjovic
  • Inspired by #Linear RGB LED Clockby Jan I decided to build my version. Instead of RGB LED addressable strip I'll be using regular LEDs and shift registers.As I am planning to use the cheap chinese Digispark boards and a minimal of components. Since RESET...

  • 68030 prototype
  • Hacker page     by Avi Cohen Stuart
  • This is the 68030 board I'm working on. It has been a long time wish to make something with either 68020/68851/68881 or 68030/68882 combo. At the end I started to wire a 68030 with the following:MC68030 MC68882512Kb EEPROM AT29C040A on 8 bit...

  • Atari Keyboard Controller adapter for MSX (2)
  • Hacker page     by danjovic
  • For a matter of symmetry and sake of schematic drawing I have rearranged the wiring, so the MSX pin 8, a push-pull output became an open collector with pull-up resistor, then the pins/rows assignment became ROW /  (Keys)MSX Joystick PinKeyb. Contr....

  • Getting Started With PIC16F877a
  • Hacker page     by ZoyeBella
  • PIC16F877a is a low-power microcontroller device in the 16-pin family of PIC® microcontrollers. It features an enhanced instruction set, greater program space and data memory space than its predecessor, and on-chip peripherals to simplify system...
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