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@vintagechips
vintagechips / i8251clk.c
Created June 6, 2015 05:52
PIC12F1822 application for baud rate generator(9600bps * 16 = 153600Hz).
//baud rate generator
//device: PIC12F1822(5V)
//compiler: HI-TECH PICC 9.80a
#include <pic.h>
__CONFIG(FOSC_INTOSC & WDTE_OFF);
void main(){
OSCCON = 0b11110000; //32MHz
@vintagechips
vintagechips / VWRITER.BAS
Last active August 29, 2015 14:26
TOYOSHIKI TinyBASIC PIC24F Edition Application
100 REM Versa Writer
110 REM
120 @(0)=7;@(1)=5;@(2)=5;@(3)=5;@(4)=7;REM 0
130 @(5)=6;@(6)=2;@(7)=2;@(8)=2;@(9)=7;REM 1
140 @(10)=7;@(11)=1;@(12)=7;@(13)=4;@(14)=7;REM 2
150 @(15)=7;@(16)=1;@(17)=7;@(18)=1;@(19)=7;REM 3
160 @(20)=4;@(21)=5;@(22)=7;@(23)=1;@(24)=1;REM 4
170 @(25)=7;@(26)=4;@(27)=7;@(28)=1;@(29)=7;REM 5
180 @(30)=7;@(31)=4;@(32)=7;@(33)=5;@(34)=7;REM 6
190 @(35)=7;@(36)=1;@(37)=1;@(38)=1;@(39)=1;REM 7
@vintagechips
vintagechips / LIKE6875.c
Created March 6, 2016 05:11
PIC12F1822 application for MC6800 clock and reset.
/*
* File: LIKE6875.c
* Author: Tetsuya Suzuki
*
* Created on 2/16/2016 2:18:49 AM UTC
* "Created in MPLAB Xpress"
*/
#include <xc.h>
@vintagechips
vintagechips / kstart.asm
Last active May 29, 2016 22:06
Intel 8080 + 8251 board kick start
; 8080 + 8251 KICK START
;
USRTRD EQU 11111110B ;8251 data register
USRTRC EQU 11111111B ;8251 control register
;
; RESET VECTOR
ORG 0000H
SYSINI:
LXI SP,0FEFCH ;setup stack
MVI A,00H
@vintagechips
vintagechips / cgen6809.c
Last active March 14, 2018 02:57
MC6809 clock generator made with PIC12F1822
/*
MC6809 cock generator
Device: PIC12F1822
Compiler: XC8
*/
#include <xc.h>
#pragma config FOSC = INTOSC
#pragma config WDTE = OFF
@vintagechips
vintagechips / sbcio21.asm
Created July 22, 2018 06:23
SBC6303+SBC-I/O 6821 port test program
* SBCIO21 - 6821 PORT TEST PROGRAM
* TARGET: LILBUG ON SBC6303
* ASSEMBLER: ARCPIT X6801.EXE
*
* 6821 RESISTERS
PORTA EQU $8050 A,PORT/DIRECTION
CRA EQU $8051 A,CONTROL
PORTB EQU $8052 B,PORT/DIRECTION
CRB EQU $8053 B,CONTROL
*
@vintagechips
vintagechips / Z8START.ASM
Created September 14, 2018 02:58
Z8 Single Board Computer Start-up Program
; Z8 STARTUP PROGRAM
;
; REGISTERS
PORT0 := %00
PORT2 := %02
PORT3 := %03
P0MOD := %F8
P2MOD := %F6
P3MOD := %F7
;
@vintagechips
vintagechips / hw7201.asm
Last active October 28, 2018 08:48
hello, world SBC8088 uPD7201 Channel A polling version
; SBC8088 terminal test program
; 7201 Channel A polling version
; Assembler: asm86.com/asm86.cmd
;
RAM equ 0000h ;0000h..7fffh
ROM equ 8000h ;8000h..0ffffh
STACK equ 8000h ;stack top
REGAD equ 0C0h ;7201 channel A data register
REGAC equ 0C1h ;7201 channel A control register
;
@vintagechips
vintagechips / hw8251.asm
Last active December 22, 2018 05:38
hello, world for SBC8088 + SBC8080 SUB modification
; SBC8088 terminal test program
; SBC8080 SUB Board 8251 polling version
; Assembler: asm86.com/asm86.cmd
;
RAM equ 0000h ;0000h..7fffh
ROM equ 8000h ;8000h..0ffffh
STACK equ 4000h ;stack top
REGAD equ 00h ;8251 data register
REGAC equ 01h ;8251 control register
;
@vintagechips
vintagechips / BLINKLED.ASM
Created March 20, 2019 06:34
MCS8085 BLINK LED TIMER INTERRUPT VERSION
; MCS8085 BLINK LED
; TIMER INTERRUPT VERSION
;
PORTA EQU 00H ;8755 PORTA I/O
DDRA EQU 02H ;8755 PORTA DIRECTION
CSREG EQU 0F8H ;8156 COMMAND/STATUS REGISTER
TIMRL EQU 0FCH ;8156 TIMER L
TIMRH EQU 0FDH ;8156 TIMER H
;
; RESET VECTOR