Oliver Wrulich docolliday

GNU Make Cheatsheet

Directive	Description
`define variable` `define variable =` `define variable :=` `define variable ::=` `define variable +=` `define variable ?=` `endef`	Define multi-line variables.
`undefine variable`	Undefining variables.

	// riscv64-elf-gcc -Os -mcmodel=medany -nostdlib -march=rv64gc -Wl,-T,qemu.ld -o vga-hello.elf boot.S main.c
	// qemu-system-riscv64 -machine virt -device VGA -smp 1 -kernel vga-hello.elf
	.section .text
	.global _start
	.global _enter

	_start:
	_enter:
	//1: j 1b

	#include <SDL2/SDL.h>

	int throw_sdl_err(const char* fmt)
	{
	SDL_LogError(
	SDL_LOG_CATEGORY_APPLICATION,
	fmt,
	SDL_GetError()
	);
	return 3; // constant error code.

	;************************************************************************************
	;************************************************************************************
	; This file was included in the Project 64 Repository after all efforts to contact
	; Lee Davison, the original author, were proven unsuccessful. The inclusion is meant
	; to honour his sterling work on providing us with the very best document on every
	; bit of the Commodore 64's firmware content. We want this to remain available to
	; the public and allow other members to benefit from Lee's original, excellent job.
	;************************************************************************************
	; $VER:C64LD11.S, included on 2014-11-12
	;************************************************************************************


	===========================
	SID FILE FORMAT DESCRIPTION
	===========================

	AUTHORS:
	Michael Schwendt (PSID v1 and v2)
	Simon White (PSID v2NG, RSID)
	Dag Lem (PSID v2NG)
	Wilfred Bos (PSID v3, RSID v3, PSID v4, RSID v4)