John Girvin johngirvin

Real Programmer with Screwdriver

johngirvin / LowResScene.cpp

Created January 8, 2018 00:25

Cocos2D-X 2D Camera Test

	#include "LowResScene.h"

	NewCamera* NewCamera::createOrthographic(float zoomX, float zoomY, float nearPlane, float farPlane)
	{
	auto ret = new (std::nothrow) NewCamera();
	if (ret)
	{
	ret->initOrthographic(zoomX, zoomY, nearPlane, farPlane);
	ret->autorelease();
	return ret;

johngirvin / genesis_public_key

Created February 21, 2018 10:33

044a2d2fb387203e7282964ade36369a05ec6345adc4b99bdf92229f136069c448f44a957218aadef8ec7c472a32b0525ec71408de6436560814bf56abdb910f31

johngirvin / godot-macos-export-and-notarize.sh

Last active April 16, 2023 02:33

	#!/bin/bash

	PROJ="/path/to/your/project/"
	NAME="MyAwesomeGame"
	SVER="1.0.0"

	GODOT="/Applications/Godot.app/Contents/MacOS/Godot --path ${PROJ}/src"

	###
	# Mac OSX (RELEASE)

johngirvin / draw_poly.s

Created September 1, 2020 10:31

Render an n-sided convex polygon into an 8-bit chunky buffer (Amiga, 68000)

	;
	; Part of StarCrusaderPatch
	; StarCrusaderPatch is (c) 1999 John Girvin, All Rights Reserved
	; http://aminet.net/package/game/patch/StarCrusaderPa
	;

	;--------------------------------------------------------------------------------

	_draw_poly:
	; Render an n-sided convex polygon into an 8-bit chunky buffer

johngirvin / ptplayer.s

Last active November 28, 2022 11:15

Amiga ptplayer replay routine v5.4 (beta) adapted to allocate audio channels and CIA timer interrupts from AmigaOS

	;**************************************************
	;* ----- Protracker V2.3B Playroutine ----- *
	;**************************************************
	;
	; Version 5.4
	; Written by Frank Wille in 2013, 2016, 2017, 2018, 2019, 2020.
	;
	; I, the copyright holder of this work, hereby release it into the
	; public domain. This applies worldwide.
	;

johngirvin / 68k_aabb_2cmp.s

Last active April 17, 2024 19:43

	; 68000 2xCMP AABB check between box A and B
	;
	; d0=ax1,ay1 coordinates of top-left of A
	; d3=bx2,by2 coordinates of bottom-right of B
	; d5=-(aw+bw) -(A width + B width)
	; d6=-(ah+bh) -(A height + B height)

	sub.w d3,d0 ;d0=ay1-by2
	cmp.w d6,d0 ;cmp #-(ah+bh)
	bls .cd_done1 ;Skip if Y out of range

johngirvin / debug-print-bfa0c752.diff

Created November 9, 2022 08:36

Patch to add 0xbfff00 debug output from WinUAE to FS-UAE at commit [bfa0c752]

	From adfa4ea9cfbca3d1a024803613fa72ac438af9e6 Mon Sep 17 00:00:00 2001
	From: John Girvin <[email protected]>
	Date: Wed, 9 Nov 2022 08:32:31 +0000
	Subject: [PATCH] port 0xbfff00 debug output from winuae

	---
	src/cia.cpp \| 20 ++++
	src/debug.cpp \| 272 ++++++++++++++++++++++++++++++++++++++++++++
	src/include/debug.h \| 3 +
	3 files changed, 295 insertions(+)

johngirvin / build_cd.json

Created January 1, 2024 13:50

Create Amiga CD32/CTDV ISO image (Python/JSON)