/*
 *	Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
 *
 *	Permission is hereby granted, free of charge, to any person obtaining a copy
 *	of this software and associated documentation files (the "Software"), to deal
 *	in the Software without restriction, including without limitation the rights
 *	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *	copies of the Software, and to permit persons to whom the Software is
 *	furnished to do so, subject to the following conditions:
 *
 *	The above copyright notice and this permission notice shall be included in
 *	all copies or substantial portions of the Software.
 *
 *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *	SOFTWARE.
 */


#include "state.h"
#include "lib.h"
#include "portme.h"
#include "messages.h"


stateT __state;


void stateReset(void) {

	// Zero out all state data, skipping stack address.
	libMemSet((byte *)&__state + sizeof(uint16_t *), 0, sizeof(stateT));
	// Zero out stack.
	libMemSet((byte *)__state.stack, 0, sizeof(uint16_t) * STACK_SIZE);

	__state.outputting = true;
}


void stateShutdown(void) {
	portFree(__state.stack);
}


void stateStartup(void) {
	__state.stack = (uint16_t *)portMalloc(sizeof(uint16_t) * STACK_SIZE);
	if (__state.stack == 0) portDie(MSG_STA_CANNOT_ALLOCATE_STACK);
}
