J.B. Langston jblang

## mandel.asm
;
;  Compute a Mandelbrot set on a simple Z80 computer.
;
; From https://rosettacode.org/wiki/Mandelbrot_set#Z80_Assembly
; Adapted to CP/M and colorzied by J.B. Langston
; Latest version at https://gist.github.com/jblang/3b17598ccfa0f7e5cca79ad826a399a9
; Assemble with sjasm
;
; Porting this program to another Z80 platform should be easy and straight-
; forward: The only dependencies on my homebrew machine are the system-calls

## rc2014.md

      
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                RC2014 Links
              
          
    RC2014 Links

I couldn't find a comprehensive list of links for the RC2014 so I started one. Suggestions welcome.
Documentation


RC2014 Website - descriptions of all official RC2014 boards
RC2014 Github Repo - official ROMs and example code
RC2014 CP/M Guide - guide to setting up CP/M on the RC2014
Decoding RC2014 ROM Labels - explanation of what RC2014 ROM labels mean
RC2014 Module Template - Kicad template for building RC2014 boards


## ROMDump.ino
#define bytesPerLine 16
#define dataSize 131072
#define A16 10
#define _CE 11
#define _OE 12
#define _WE 13

void setupPorts() {
  // Set disable writing and output, enable chip
  digitalWrite(_WE, HIGH);

## new_ram.v
module ram(clk, addr, data_in, data_out, cs, we);

parameter ADDR_WIDTH = 11;
parameter DATA_WIDTH = 8;
parameter INIT_FILE = "";

input clk;
input [ADDR_WIDTH-1:0] addr;
input [DATA_WIDTH-1:0] data_in;
output reg [DATA_WIDTH-1:0] data_out;

## test.asm
leds = $D000
dips = $D001

* = $F000

begin	lda dips
	sta leds
	jmp begin

* = $FFFA

## ram.v
module ram(clk, addr, data_in, data_out, cs, we);

parameter ADDR_WIDTH = 11;
parameter DATA_WIDTH = 8;
parameter INIT_FILE = "";

input clk;
input [ADDR_WIDTH-1:0] addr;
input [DATA_WIDTH-1:0] data_in;
output [DATA_WIDTH-1:0] data_out;

## cpu_tb.v
module cpu_tb;

reg clk;
reg reset;
reg irq;
reg nmi;
reg rdy;

wire [15:0] addr;
wire [7:0] cpu_do;

## hello.txt
C:\Users\jblang\Retro\DEC\PDP1>macro1 -s hello.mac
hello    - pass 1
hello    - pass 2

C:\Users\jblang\Retro\DEC\PDP1>pdp1

PDP-1 simulator V4.0-0 Beta        git commit id: ea898b24
sim> att ptr hello.rim
sim> boot ptr
hello, world

## debooze.c
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/stat.h>

#define MEMSIZ 64*1024
#define GETLOC 0x20

uint16_t get, put;
uint8_t cur, mem[MEMSIZ];

## a_mind_is_born.asm
; A Mind is Born by Linus Akesson
; https://linusakesson.net/scene/a-mind-is-born/index.php
; transcribed to 64tass and further commented by J.B. Langston

; important locations after program is copied to zero page

vmptr      = $cb        ; video matrix
clock      = $13        ; global clock lsb - indicates position within bar
clock_msb  = $20        ; global clock msb - indicates bar of song
script     = $21        ; poke table
	;
	; Compute a Mandelbrot set on a simple Z80 computer.
	;
	; From https://rosettacode.org/wiki/Mandelbrot_set#Z80_Assembly
	; Adapted to CP/M and colorzied by J.B. Langston
	; Latest version at https://gist.github.com/jblang/3b17598ccfa0f7e5cca79ad826a399a9
	; Assemble with sjasm
	;
	; Porting this program to another Z80 platform should be easy and straight-
	; forward: The only dependencies on my homebrew machine are the system-calls
	#define bytesPerLine 16
	#define dataSize 131072
	#define A16 10
	#define _CE 11
	#define _OE 12
	#define _WE 13

	void setupPorts() {
	// Set disable writing and output, enable chip
	digitalWrite(_WE, HIGH);
	module ram(clk, addr, data_in, data_out, cs, we);

	parameter ADDR_WIDTH = 11;
	parameter DATA_WIDTH = 8;
	parameter INIT_FILE = "";

	input clk;
	input [ADDR_WIDTH-1:0] addr;
	input [DATA_WIDTH-1:0] data_in;
	output reg [DATA_WIDTH-1:0] data_out;
	leds = $D000
	dips = $D001

	* = $F000

	begin lda dips
	sta leds
	jmp begin

	* = $FFFA
	module cpu_tb;

	reg clk;
	reg reset;
	reg irq;
	reg nmi;
	reg rdy;

	wire [15:0] addr;
	wire [7:0] cpu_do;
	C:\Users\jblang\Retro\DEC\PDP1>macro1 -s hello.mac
	hello - pass 1
	hello - pass 2

	C:\Users\jblang\Retro\DEC\PDP1>pdp1

	PDP-1 simulator V4.0-0 Beta git commit id: ea898b24
	sim> att ptr hello.rim
	sim> boot ptr
	hello, world
	#include <stdio.h>
	#include <stdint.h>
	#include <stdlib.h>
	#include <sys/stat.h>

	#define MEMSIZ 64*1024
	#define GETLOC 0x20

	uint16_t get, put;
	uint8_t cur, mem[MEMSIZ];
	; A Mind is Born by Linus Akesson
	; https://linusakesson.net/scene/a-mind-is-born/index.php
	; transcribed to 64tass and further commented by J.B. Langston

	; important locations after program is copied to zero page

	vmptr = $cb ; video matrix
	clock = $13 ; global clock lsb - indicates position within bar
	clock_msb = $20 ; global clock msb - indicates bar of song
	script = $21 ; poke table