Gregory Naçu gnacu

I wrote C64 OS in 100% 6502 assembly language. And I programmed it all using Turbo Macro Pro+REU on a Commodore 128.

gnacu / reeadychat_3.js

Last active October 29, 2025 07:04

	#!/usr/bin/env node

	const userMeta = JSON.parse(process.env.READYUSER \|\| "{}");

	function readStdin(callback) {
	let data = "";

	process.stdin.setEncoding("utf8");

	process.stdin.on("data",(chunk) => {

gnacu / readychat_2.js

Created October 18, 2025 00:45

	#!/usr/bin/env node

	function readStdin(callback) {
	let data = "";
	process.stdin.setEncoding("utf8");
	process.stdin.on("data", (chunk) => (data += chunk));
	process.stdin.on("end", () => callback(data.trim()));
	}

	function getMoonInfo(date = new Date()) {

gnacu / readychat_1.js

Created October 18, 2025 00:39

	#!/usr/bin/env node

	import { Parser } from "expr-eval";

	function readStdin(callback) {
	let data = "";

	process.stdin.setEncoding("utf8");

	process.stdin.on("data",(chunk) => {

gnacu / c64os_prg_5_g.asm

Created January 23, 2025 21:27

	pgfetch_ = $1b
	; RegPtr -> C64 Memory Buffer to fetch
	; C <- Set on failure to fetch
	; C <- Clr on successful fetch

	pgstash_ = $1e
	; RegPtr -> C64 Memory Buffer to stash
	; C <- Set on failure to stash
	; C <- Clr on successful stash

gnacu / c64os_prg_5_f.asm

Created November 27, 2024 21:47

	unldcsum ;--- Unload checksum.lib ---
	.block
	lda chloaded
	beq done ;Not loaded

	ldx #"c" ;checksum.lib
	ldy #"h"
	lda #slunload ;Unload flag
	jsr unldlib

gnacu / c64os_prg_5_e.asm

Last active November 27, 2024 21:05

gnacu / c64os_prg_5_d.asm

Created November 27, 2024 20:56

gnacu / c64os_prg_5_c.asm

Last active November 25, 2024 22:39

gnacu / c64os_prg_5_b.asm

Created November 25, 2024 22:26

gnacu / c64os_prg_5_a.asm

Created November 25, 2024 22:16