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Signed-off-by: Tyrolyean <tyrolyean@tyrolyean.net>
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Tyrolyean 2020-03-27 15:10:31 +01:00
parent 5b4e0815b1
commit 5aabef4c9d
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# Prerequisites
*.d
# Object files
*.o
*.ko
*.obj
*.elf
# Linker output
*.ilk
*.map
*.exp
# Precompiled Headers
*.gch
*.pch
# Libraries
*.lib
*.a
*.la
*.lo
# Shared objects (inc. Windows DLLs)
*.dll
*.so
*.so.*
*.dylib
# Executables
*.exe
*.out
*.app
*.i*86
*.x86_64
*.hex
# Debug files
*.dSYM/
*.su
*.idb
*.pdb
# Kernel Module Compile Results
*.mod*
*.cmd
.tmp_versions/
modules.order
Module.symvers
Mkfile.old
dkms.conf

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MKDIR_P := mkdir -p
CP := cp
MV := mv
CC := avr-gcc
CCC := avr-g++
RM_RF = rm -rf
OCPY := avr-objcopy
AVRDUDE := avrdude
PORT := /dev/ttyACM0
#PORT := usb
#BOARD := atmega328p
BOARD := atmega2560
#PROGRAMMER := arduino
PROGRAMMER := usbasp
#PROGBOARD := m328p
PROGBOARD := m2560
BAUD_RATE_PROG := 115200
FLASH_CMD := $(AVRDUDE) -b $(BAUD_RATE_PROG) -p $(PROGBOARD) -D -P $(PORT) -c $(PROGRAMMER)
AVRSIZE := avr-size
AVRSIZE_FLAGS := -C --mcu=$(PROGBOARD)
# directories
CWD := $(realpath .)
BINDIR := $(CWD)/bin
BUILDDIR := $(CWD)/build
SRCDIR := $(CWD)/src
INCLUDEDIR := $(CWD)/include
# flas
CFLAGS := -mmcu=$(BOARD) -Os -I$(INCLUDEDIR) -Wall -Wextra
LDFLAGS := -mmcu=$(BOARD)
# target files
DIRS_TARGET := $(BINDIR) $(BUILDDIR)
TARGET := $(BINDIR)/mc.hex
TARGET_ELF := $(BINDIR)/mc.elf
SRCFILES := $(wildcard $(SRCDIR)/*.c)
OBJFILES := $(patsubst $(SRCDIR)/%.c,$(BUILDDIR)/%.o,$(SRCFILES))
# fancy targets
all: directories $(TARGET)
directories: $(DIRS_TARGET)
# less fancy targets
$(DIRS_TARGET):
$(MKDIR_P) $@
$(TARGET) : $(TARGET_ELF)
$(OCPY) -O ihex -j .text -j .data $^ $@
$(TARGET_ELF): $(OBJFILES)
$(CC) $(LDFLAGS) -o $@ $^
$(AVRSIZE) $(AVRSIZE_FLAGS) $@
$(BUILDDIR)/%.o: $(SRCDIR)/%.c
$(CC) $(CFLAGS) -c -o $@ $<
flash: $(TARGET)
# For atmega 2560
$(FLASH_CMD) -e -U hfuse:w:0xD9:m -U lfuse:w:0xDF:m -U efuse:w:0xFF:m -U flash:w:$^:i -U efuse:w:0xfa:m
# For atmega 328p:
#$(FLASH_CMD) -e -U hfuse:w:0xD9:m -U efuse:w:0xFF:m -U lfuse:w:0xDF:m -U flash:w:$^:i -U efuse:w:0xfd:m
# If unknown or no fuse bits available over programmer
#$(FLASH_CMD) -U flash:w:$^:i
$(FLASH_CMD) -U flash:v:$^:i
clean:
$(RM_RF) $(DIRS_TARGET)

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _16550_H
#define _16550_H
#include <stdint.h>
#include <stdio.h>
/* Registers in the 16550 UART */
#define UART_REG_DLLS 0
#define UART_REG_DLMS 1
#define UART_REG_TXRX 0
#define UART_REG_IER 1
#define UART_REG_IIR 2
#define UART_REG_LCR 3
#define UART_REG_MCR 4
#define UART_REG_LSR 5
#define UART_REG_MSR 6
#define UART_REG_SCR 7
/* The printf function in the background performs automatic column wrapping by
* finding the first space character within 10 characters ofthe display columns
* and replacingit with a newline character
*/
#define DISPLAY_COLUMNS 80
void init_16550();
void write_to_uart(uint8_t addr, uint8_t data);
uint8_t read_from_uart(uint8_t addr);
void init_uart();
int println(const char* output,...);
int putchar_16550(char var, FILE *stream);
void writechar_16550(char var);
void routine_uart();
#endif

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/* Copyright (C) 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _AVR_H_TEXT
#define _AVR_H_TEXT
#define F_CPU 16000000UL
#include <avr/io.h>
/* Shift values for the peripherials on the control bus PORTL */
#define MR_SHIFT 0
#define WR_SHIFT 1
#define RD_SHIFT 2
#define CS_UART_SHIFT 3
#define CS_DAC_SHIFT 4
#define ADDR_REG PORTK
#define DATA_REG PORTF
#define CTRL_REG PORTL
#define ADDR_DDR_REG DDRK
#define DATA_DDR_REG DDRF
#define CTRL_DDR_REG DDRL
/* Included here to prevent accidental redefinition of F_CPU */
#include <util/delay.h>
/* Time it takes for the bus lanes to become stable for read and write access */
#define BUS_HOLD_US 1
void set_addr(uint8_t addr);
#endif

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _DAC_H
#define _DAC_H
#include <stdint.h>
void write_to_dac(uint8_t addr, uint8_t data);
uint8_t read_from_dac(uint8_t addr);
/* The operation modes of the dac used for generation of different tones */
#define DAC_MODE_SILENT 0
#define DAC_MODE_SINE 1
#define DAC_MODE_SQUARE 2
#define DAC_MODE_SAW 3
#define DAC_MODE_NOISE 4
#define DAC_MODE_TRIANGLE 5
extern uint8_t dac_mode;
/* This variable is used to deviate the frequency from the baseline frequency
* of around 1kHz. If this integer is positive it makes the produced waveform
* longer, if it is negative the produced waveform becomes less sharp, but the
* frequency goes up. 0 is the baseline */
extern int16_t dac_frequency_deviation;
void feed_dac();
void routine_dac();
void update_sound();
#endif

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GAME_H
#define _GAME_H
#include <stdint.h>
#include <stdbool.h>
extern char command_buffer[100];
extern uint8_t command_buffer_pointer;
#define COMPUTER_STATE_NOTHING 0
#define COMPUTER_STATE_KEYBOARD 1
#define COMPUTER_STATE_FLOPPY 2
extern uint8_t computer_state; /* FSM for the computer */
extern bool bear_shot;
extern uint8_t current_room;
void routine_game();
void prepare_command_buffer();
void ingest_user_char(char in);
void perform_action(uint8_t action_id);
void move_direction(uint8_t direction);
void describe_room(uint8_t room, bool auto_desc);
void print_inventory();
void print_room_item();
void consume_room_item(const char* item_name);
void use_item(const char* item_name);
void use_item_id(uint8_t item_id);
bool perform_computer_action(uint8_t action_id);
void reset_game(bool fleshed);
void init_game();
#endif

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _INTERRUPT_H
#define _INTERRUPT_H
void init_interrupts();
#endif

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SOUND_H
#define _SOUND_H
#include <stdint.h>
#include <avr/pgmspace.h>
struct tone_t {
uint8_t waveform;
int16_t frequency_deviation; /* */
uint16_t length; /* The tone length in milliseconds */
};
/* The end marker tells the sound routines where the end of a track is. It
* is required to be present at the end of EVERY track, otherwise the
* routine runs into undefined behaviour */
#define TRACK_END_MARKER {DAC_MODE_SILENT, 0, 0}
extern const struct tone_t computer_room_track[] PROGMEM;
extern const struct tone_t lonely_road_track[] PROGMEM;
#define INTRO_LEN 10350
extern const struct tone_t intro_track[] PROGMEM;
extern const struct tone_t * current_track;
extern int16_t global_frequency_offset; /* Added to every playing song */
void update_sound();
void init_sound();
#endif

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _STRUCTURES_H
#define _STRUCTURES_H
#include <sound.h>
#include <stdint.h>
#include <avr/pgmspace.h>
#include <stdbool.h>
#define NUM_ACTIONS 0x0A
#define ACTION_HELP 0x00
#define ACTION_NORTH 0x01
#define ACTION_SOUTH 0x02
#define ACTION_WEST 0x03
#define ACTION_EAST 0x04
#define ACTION_DESCRIBE 0x05
#define ACTION_USE 0x06
#define ACTION_INVENTORY 0x07
#define ACTION_SEARCH 0x08
#define ACTION_TAKE 0x09
/* The direction in the direction table is the action_id - 1 */
#define DIRECTION_NORTH 0x00
#define DIRECTION_SOUTH 0x01
#define DIRECTION_WEST 0x02
#define DIRECTION_EAST 0x03
#define NUM_ROOMS 0x0A
#define ROOM_NOTHING 0x00
#define ROOM_LONELYROAD 0x01
#define ROOM_SNDIRTROAD 0x02
#define ROOM_FIREPLACE 0x03
#define ROOM_EWSTREET 0x04
#define ROOM_OLDHOUSE 0x05
#define ROOM_LIVINGROOM 0x06
#define ROOM_ATTIC 0x07
#define ROOM_BASEMENT 0x08
#define ROOM_COMPUTER 0x09
#define NUM_ITEMS 0x07
#define ITEM_FLOPPY 0x00
#define ITEM_SCREWDRIVER 0x01
#define ITEM_KEYBOARD 0x02
#define ITEM_SAUSAGE 0x03
#define ITEM_FLESH 0x04
#define ITEM_KEY 0x05
#define ITEM_PISTOL 0x06
extern const uint8_t sine_table[256] PROGMEM;
extern const uint8_t noise_table[1024] PROGMEM;
extern char* sndirtroad_msg[2];
extern char* user_action_req_msgs[3];
extern const char* info_table[];
extern const char* action_table[NUM_ACTIONS];
extern const char* room_table[NUM_ROOMS];
extern char* room_description_table[NUM_ROOMS];
extern uint8_t room_map_table[NUM_ROOMS][4];
extern bool room_visited_table[NUM_ROOMS];
extern const char* item_table[NUM_ITEMS];
extern bool inventory[NUM_ITEMS];
extern int8_t item_room_map[NUM_ROOMS];
extern const struct tone_t * room_track_map[NUM_ROOMS];
#endif

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "avr.h"
#include "16550.h"
#include "structures.h"
#include "game.h"
#include <stdio.h>
static FILE stdout_16550 = FDEV_SETUP_STREAM(putchar_16550, NULL,
_FDEV_SETUP_WRITE);
void write_to_uart(uint8_t addr, uint8_t data){
set_addr(addr);
DATA_DDR_REG = 0xFF;
DATA_REG = data;
CTRL_REG &= ~(1<<WR_SHIFT) & ~(1<<CS_UART_SHIFT);
_delay_us(BUS_HOLD_US); /*Wait for the data and signal lanes to become stable*/
CTRL_REG |= 1<<CS_UART_SHIFT | 1<<WR_SHIFT;
return;
}
uint8_t read_from_uart(uint8_t addr){
uint8_t data = 0x00;
set_addr(addr);
DATA_DDR_REG = 0x00;
/* Sometimes the avr "forgets" to alter the port register for one cycle
* which usually isn't a problem but has lead to instability. Worthy
* one clock cycle */
DATA_REG = 0x00;
CTRL_REG &= ~(1<<RD_SHIFT) & ~(1<<CS_UART_SHIFT);
_delay_us(BUS_HOLD_US); /* Wait for the data and signal lanes to become
* stable*/
data = PINF;
CTRL_REG |= 1<<CS_UART_SHIFT | 1<<RD_SHIFT;
return data;
}
void init_uart(){
write_to_uart(UART_REG_LCR,0x83);
write_to_uart(UART_REG_DLLS,0x03);
write_to_uart(UART_REG_DLMS,0x00);
write_to_uart(UART_REG_LCR,0x03);
stdout = &stdout_16550;
printf("INIT\r\n");
return;
}
int println(const char* output, ...){
va_list arg;
va_start (arg, output);
vprintf(output,arg);
printf("\n");
return 0;
}
/* Writes a character to the 16550 uart for transmission with cr lf magic */
int putchar_16550(char var, FILE *stream __attribute__((unused))){
static uint8_t column_cnt = 0;
column_cnt++;
if(var == ' ' && column_cnt > (DISPLAY_COLUMNS - 10)){
putchar_16550('\n',NULL);
return 0;
}
if(var == '\n'){
column_cnt = 0x00;
writechar_16550('\r');
}
writechar_16550(var);
return 0;
}
/* Writes a character to the 16550 uart for transmission without cr lf magic */
void writechar_16550(char var){
for(uint32_t i = 0; i < 1000000; i++ ){
uint8_t received = read_from_uart(UART_REG_LSR);
if((received & (1<<5))){
break;
}
}
write_to_uart(UART_REG_TXRX,var);
return;
}
void routine_uart(){
uint8_t received = read_from_uart(UART_REG_LSR);
if(received & 0x01){
received = read_from_uart(UART_REG_TXRX);
ingest_user_char(received);
if(received == '\r'){
writechar_16550('\n');
}
writechar_16550(received); /* Echo back */
}
return;
}

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "avr.h"
#include "dac.h"
#include "structures.h"
#include <stdbool.h>
uint8_t dac_mode = DAC_MODE_SINE;
int16_t dac_frequency_deviation = 0;
void write_to_dac(uint8_t addr, uint8_t data){
set_addr(addr);
DATA_DDR_REG = 0xFF;
DATA_REG = data;
CTRL_REG &= ~(1<<WR_SHIFT) & ~(1<<CS_DAC_SHIFT);
_delay_us(BUS_HOLD_US); /*Wait for the data and signal lanes to become stable*/
CTRL_REG |= 1<<CS_DAC_SHIFT;
CTRL_REG |= 1<<WR_SHIFT;
return;
}
uint8_t read_from_dac(uint8_t addr){
uint8_t data = 0x00;
set_addr(addr);
DATA_DDR_REG = 0x00;
/* Sometimes the avr "forgets" to alter the port register for one cycle
* which usually isn't a problem but has lead to instability. Worthy
* one clock cycle */
DATA_REG = 0x00;
CTRL_REG &= ~(1<<RD_SHIFT) & ~(1<<CS_DAC_SHIFT);
_delay_us(BUS_HOLD_US); /* Wait for the data and signal lanes to become
* stable*/
data = PINF;
CTRL_REG |= 1<<CS_DAC_SHIFT | 1<<RD_SHIFT;
return data;
}
void feed_dac(){
/* Internal counter for positioning inside the currently playing
* waveform */
static uint8_t threash = 0x00;
/* Used to generate the desired frequency offset if the waveform should
* be made "longer" --> the frequency made lower from baseline
*/
static int16_t freq_delay_cnt = 0x00;
switch(dac_mode){
default:
case DAC_MODE_SILENT:
for(uint8_t i = 0; i < 0xFF; i++){
write_to_dac(i%2, 0);
}
break;
case DAC_MODE_SINE:
/* Generates a sine from a predetermined sine table in program
* space */
for(uint8_t i = 0; i < (0xFF/2); i++){
write_to_dac(1,
pgm_read_byte(&sine_table[threash]));
write_to_dac(0,
pgm_read_byte(&sine_table[threash]));
if(dac_frequency_deviation >=0){
freq_delay_cnt++;
if(freq_delay_cnt >=
dac_frequency_deviation){
freq_delay_cnt = 0;
threash++;
}
}else{
threash -= dac_frequency_deviation;
}
}
break;
case DAC_MODE_SQUARE:
/* Generates a square wave tone */
for(uint8_t i = 0; i < (0xFF/2); i++){
if(threash > (0xFF/2)){
write_to_dac(0, 0xFF);
write_to_dac(1, 0xFF);
}else{
write_to_dac(0, 0);
write_to_dac(1, 0);
}
if(dac_frequency_deviation >=0){
freq_delay_cnt++;
if(freq_delay_cnt >=
dac_frequency_deviation){
freq_delay_cnt = 0;
threash++;
}
}else{
threash -= dac_frequency_deviation;
}
}
break;
case DAC_MODE_SAW:
/* Generates a saw wave tone */
for(uint8_t i = 0; i < (0xFF/2); i++){
write_to_dac(0, threash);
write_to_dac(1, threash);
if(dac_frequency_deviation >=0){
freq_delay_cnt++;
if(freq_delay_cnt >=
dac_frequency_deviation){
freq_delay_cnt = 0;
threash++;
}
}else{
threash -= dac_frequency_deviation;
}
}
break;
case DAC_MODE_NOISE:
/* Generates white noise from a predetermined LUT
*/
for(uint8_t i = 0; i < (0xFF/2); i++){
static uint16_t noise_cnt = 0;
write_to_dac(1,
pgm_read_byte(&noise_table[noise_cnt]));
write_to_dac(0,
pgm_read_byte(&noise_table[noise_cnt]));
noise_cnt++; /* Doesn't have frequency diversion
*/
if(noise_cnt >= 1024){
noise_cnt = 0;
}
}
break;
case DAC_MODE_TRIANGLE:
/* Generates a triangle wave tone */
for(uint8_t i = 0; i < (0xFF/2); i++){
static int8_t direction = 1;
if((threash == 0xFF) | !threash){
direction = -direction;
}
write_to_dac(0, threash);
write_to_dac(1, threash);
if(dac_frequency_deviation >=0){
freq_delay_cnt++;
if(freq_delay_cnt >=
dac_frequency_deviation){
freq_delay_cnt = 0;
threash += direction;
}
}else{
if((dac_frequency_deviation *
direction) >
(0xFF - threash)){
threash = 0xFF;
continue;
}
threash = (dac_frequency_deviation *
direction);
}
}
break;
}
return;
}
void routine_dac(){
uint8_t received = read_from_dac(0x00);
if(!(received & (0x01<<0))){
feed_dac();
}
return;
}

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "game.h"
#include "structures.h"
#include "16550.h"
#include <string.h>
#include <stdio.h>
#include <ctype.h>
char command_buffer[100];
uint8_t command_buffer_pointer = 0x00;
uint8_t current_room = ROOM_LONELYROAD;
uint8_t computer_state = 0;
bool bear_shot = false;
void routine_game(){
if(command_buffer_pointer >= sizeof(command_buffer)){
command_buffer_pointer = 0x00;
memset(command_buffer, 0, sizeof(command_buffer));
println("\nToo much input!");
return;
}
if(command_buffer[command_buffer_pointer-1] == '\n' ||
command_buffer[command_buffer_pointer-1] == '\r'){
/* A command from the user has been received, we are ready to
* do something!*/
int8_t action_id = -1;
for(size_t i = 0; i < sizeof(action_table)/sizeof(const char*);
i++){
if(strncasecmp(action_table[i], command_buffer,
strlen(action_table[i])) == 0){
action_id = i;
break;
}
}
if(action_id < 0){
println(info_table[1]);
}else{
perform_action(action_id);
}
command_buffer_pointer = 0x00;
memset(command_buffer, 0, sizeof(command_buffer));
}
return;
}
void ingest_user_char(char in){
if(in == 0x7F /* DELETE CHAR */){
command_buffer[command_buffer_pointer--] = 0x00;
}else{
command_buffer[command_buffer_pointer++] = in;
}
return;
}
void perform_action(uint8_t action_id){
putchar_16550('\n', NULL);
switch(action_id){
default:
case ACTION_HELP:
println("You can:");
for(size_t i = 0; i < NUM_ACTIONS; i++){
println(" %s",action_table[i]);
}
break;
case ACTION_DESCRIBE:
describe_room(current_room, false);
break;
case ACTION_NORTH:
case ACTION_SOUTH:
case ACTION_WEST:
case ACTION_EAST:
move_direction(action_id -1);
break;
case ACTION_INVENTORY:
print_inventory();
break;
case ACTION_SEARCH:
print_room_item();
break;
case ACTION_TAKE:
consume_room_item(command_buffer+
strlen(action_table[ACTION_TAKE])+1);
break;
case ACTION_USE:
use_item(command_buffer+
strlen(action_table[ACTION_USE])+1);
break;
};
println(info_table[3]);
return;
}
void move_direction(uint8_t direction){
if(!room_map_table[current_room][direction]){
println(info_table[4]);
return;
}
println("Moving towards %s",action_table[direction+1]);
current_room = room_map_table[current_room][direction];
describe_room(current_room,true);
current_track = room_track_map[current_room];
return;
}
void describe_room(uint8_t room, bool auto_desc){
println(room_table[room]);
if(room_visited_table[room] && auto_desc){
room_visited_table[room] = true;
return;
}
room_visited_table[room] = true;
putchar_16550('\n', NULL);
println(room_description_table[room]);
return;
}
void print_inventory(){
bool found_item = false;
for(size_t i = 0; i < NUM_ITEMS; i++){
if(inventory[i]){
found_item = true;
break;
}
}
if(found_item){
println("You have:");
for(size_t i = 0; i < NUM_ITEMS; i++){
if(inventory[i]){
println(" %s",item_table[i]);
}
}
}else{
println("Your inventory is empty");
}
return;
}
void print_room_item(){
if(item_room_map[current_room] < 0){
println(info_table[6]);
}else{
println("You found a %s",
item_table[item_room_map[current_room]]);
}
return;
}
void consume_room_item(const char* item_name){
if(item_room_map[current_room] < 0){
println(info_table[6]);
}else{
for(int8_t i = 0; i < NUM_ITEMS; i++){
if(strncasecmp(item_table[i], item_name,
strlen(item_table[i])) == 0){
if(item_room_map[current_room] != i){
break;
}
println("You took the %s",
item_table[item_room_map[
current_room]]);
inventory[item_room_map[current_room]] = true;
item_room_map[current_room] = -1;
return;
}
}
println("That's not here...");
}
return;
}
void use_item(const char* item_name){
for(size_t i = 0; i < NUM_ITEMS; i++){
if(strncasecmp(item_table[i], item_name,
strlen(item_table[i])) == 0){
use_item_id(i);
return;
}
}
println(info_table[2]);
return;
}
void use_item_id(uint8_t item_id){
if(!inventory[item_id]){
println(info_table[2]);
return;
}
switch(item_id){
case ITEM_SAUSAGE:
if(current_room == ROOM_SNDIRTROAD){
inventory[ITEM_SAUSAGE] = false;
room_map_table[current_room][DIRECTION_NORTH] =
ROOM_FIREPLACE;
println(info_table[10]);
return;
}
break;
case ITEM_PISTOL:
if(current_room == ROOM_SNDIRTROAD){
room_map_table[current_room][DIRECTION_NORTH] =
ROOM_FIREPLACE;
println(info_table[7]);
bear_shot = true;
return;
} else if(current_room == ROOM_NOTHING){
/* The real end i guess. I won't put this in the
* info table as it *SHOULD* only be displayed
* once.
*/
println("You cry for help. It's no use. You "
"attempt to shoot yourself. It's no "
"use... You run out of bullets");
inventory[ITEM_PISTOL] = false;
return;
}
break;
case ITEM_KEY:
if(current_room == ROOM_EWSTREET){
inventory[ITEM_KEY] = false;
room_map_table[current_room][DIRECTION_NORTH] =
ROOM_OLDHOUSE;
println(info_table[13]);
return;
}
break;
case ITEM_FLOPPY:
case ITEM_FLESH:
case ITEM_SCREWDRIVER:
case ITEM_KEYBOARD:
if(current_room == ROOM_COMPUTER){
if(perform_computer_action(item_id)){
return;
}
}
break;
};
println(info_table[2]);
return;
}
bool perform_computer_action(uint8_t item_id){
static bool fleshed = false;
if(item_id == ITEM_KEYBOARD &&
computer_state == COMPUTER_STATE_NOTHING){
computer_state = COMPUTER_STATE_KEYBOARD;
inventory[item_id] = false;
println("You connected the keyboard");
return true;
}
if(item_id == ITEM_FLOPPY &&
computer_state == COMPUTER_STATE_KEYBOARD){
computer_state = COMPUTER_STATE_FLOPPY;
inventory[item_id] = false;
println("You inseted the floppy disk");
return true;
}
if(item_id == ITEM_FLESH &&
computer_state == COMPUTER_STATE_KEYBOARD){
computer_state = COMPUTER_STATE_FLOPPY;
inventory[item_id] = false;
println("You inserted the flesh into the floppy drive");
fleshed = true;
return true;
}
if(item_id == ITEM_SCREWDRIVER &&
computer_state == COMPUTER_STATE_FLOPPY){
computer_state = COMPUTER_STATE_FLOPPY;
inventory[item_id] = false;
/* Perform a reset of the game */
println("You start the computer with the screwdriver, sit down"
" and watch it boot into a textadventure:");
reset_game(fleshed);
return true;
}
return false;
}
/* Resets the game into "original" state or the bear dead state or the FLESH
* game state. FLESH is basically the end. You need to reset your computer
* afterwards.
*/
void reset_game(bool fleshed){
/* clear inventory */
memset(inventory, 0, sizeof(inventory));
/* Reset rooms visited */
memset(room_visited_table, 0, sizeof(inventory));
/* Reset items in rooms */
for(size_t i = 0; i < NUM_ROOMS; i++){
item_room_map[i] = -1;
}
if(fleshed){
current_room = ROOM_NOTHING;
inventory[ITEM_PISTOL] = true;
}else if(bear_shot){
current_room = ROOM_LONELYROAD;
room_description_table[ROOM_SNDIRTROAD] = sndirtroad_msg[1];
item_room_map[ROOM_SNDIRTROAD] = ITEM_FLESH;
}else{
current_room = ROOM_LONELYROAD;
room_map_table[ROOM_SNDIRTROAD][DIRECTION_NORTH] = 0x00;
item_room_map[ROOM_SNDIRTROAD] = ITEM_SAUSAGE;
item_room_map[ROOM_LONELYROAD] = ITEM_PISTOL;
item_room_map[ROOM_BASEMENT] = ITEM_FLOPPY;
}
item_room_map[ROOM_EWSTREET] = ITEM_KEY;
item_room_map[ROOM_OLDHOUSE] = ITEM_SCREWDRIVER;
item_room_map[ROOM_ATTIC] = ITEM_KEYBOARD;
computer_state = COMPUTER_STATE_NOTHING;
room_map_table[ROOM_EWSTREET][DIRECTION_NORTH] = 0x00;
current_track = room_track_map[current_room];
describe_room(current_room, false);
return;
}
void init_game(){
room_description_table[ROOM_SNDIRTROAD] = sndirtroad_msg[0];
info_table[3] = user_action_req_msgs[0];
return;
}

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "interrupt.h"
#include "dac.h"
#include <avr/interrupt.h>
void init_interrupts(){
/* Initialize the timer interrupt */
TCCR0A = (1 << COM0A1) | (1 << WGM11);
TCCR0B = (1 << CS02);
OCR0A = 64; /* Interrupt fires every Millisecond */
TIMSK0 = (1 << OCIE0A);
}
ISR(TIMER0_COMPA_vect)
{
update_sound();
}

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "avr.h"
#include "structures.h"
#include "16550.h"
#include "dac.h"
#include "interrupt.h"
#include "sound.h"
#include "game.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
/* Included early on the prevent the watchdog from killing the already killed
* microcontroller because of init delay
*/
uint8_t mcusr_mirror __attribute__ ((section (".noinit")));
void get_mcusr(void) \
__attribute__((naked)) \
__attribute__((section(".init3")));
void get_mcusr(void)
{
mcusr_mirror = MCUSR;
MCUSR = 0;
wdt_disable();
}
/* Function used to be more complicated, still remains for readability reasons
*/
void set_addr(uint8_t addr){
ADDR_REG = addr;
return;
}
void reset_modules(){
/* Setup Data Direction Registers and populate with sane default
values */
DATA_DDR_REG = 0xFF; /* Data Bus */
ADDR_DDR_REG = 0xFF; /* Address Bus */
CTRL_DDR_REG= 0xFF; /* Control Bus */
ADDR_REG = 0x00;
DATA_REG = 0x00;
CTRL_REG = 0x00;
/* Cleanly reset the dac and the uart */
CTRL_REG |= (1<<WR_SHIFT) | (1<<RD_SHIFT) | (1<<CS_DAC_SHIFT) |
(1<<MR_SHIFT) | (1<<CS_UART_SHIFT);
_delay_us(100);
CTRL_REG &= ~(1<<MR_SHIFT);
return;
}
int routine();
int main(){
/* Disable interrupts during initialisation phase */
cli();
reset_modules();
init_uart();
init_interrupts();
init_game();
current_track = intro_track;
memset(room_visited_table, 0, NUM_ROOMS);
memset(inventory, 0, NUM_ITEMS);
describe_room(current_room,false);
sei();
/* Enable the hardware watchdog. In case the microcontroller fails to
* finish it's task within the specified time, the watchdog will reset
* the atmel cookie.
*/
wdt_enable(WDTO_8S);
while(1){
wdt_reset();
routine();
}
return 0;
}
int routine(){
routine_dac();
routine_uart();
routine_game();
return 0;
}

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "sound.h"
#include "sound.h"
#include "dac.h"
#include <avr/pgmspace.h>
#include <stddef.h>
const struct tone_t computer_room_track[] PROGMEM =
{
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_SQUARE, 10,100},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_SQUARE, 10,100},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_NOISE, 0,200},
{DAC_MODE_SINE, 10,50},
{DAC_MODE_SINE, -10,50},
{DAC_MODE_SINE, 10,50},
{DAC_MODE_SINE, -10,50},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_SQUARE, 10,100},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_SQUARE, 10,100},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_NOISE, 0,200},
{DAC_MODE_SINE, 10,50},
{DAC_MODE_SINE, -10,50},
{DAC_MODE_SINE, 10,50},
{DAC_MODE_SINE, -10,50},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_SQUARE, 10,100},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_SQUARE, 10,100},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_NOISE, 0,200},
{DAC_MODE_SINE, 10,50},
{DAC_MODE_SINE, -10,50},
{DAC_MODE_SINE, 10,50},
{DAC_MODE_SINE, -10,50},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_SQUARE, 10,100},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_SQUARE, 10,100},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_NOISE, 0,200},
{DAC_MODE_SINE, 10,50},
{DAC_MODE_SINE, -10,50},
{DAC_MODE_SINE, 10,50},
{DAC_MODE_SINE, -10,50},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_SQUARE, 10,100},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_SQUARE, 10,100},
{DAC_MODE_SQUARE, 0,100},
{DAC_MODE_NOISE, 0,200},
{DAC_MODE_SINE, 10,50},
{DAC_MODE_SINE, -10,50},
{DAC_MODE_SINE, 10,50},
{DAC_MODE_SINE, -10,50},
{DAC_MODE_SQUARE, -2,100},
{DAC_MODE_SQUARE, 8,100},
{DAC_MODE_SQUARE, -2,100},
{DAC_MODE_SQUARE, 8,100},
{DAC_MODE_SQUARE, -2,100},
{DAC_MODE_NOISE, 0,200},
{DAC_MODE_SINE, 12,50},
{DAC_MODE_SINE, -8,50},
{DAC_MODE_SINE, 12,50},
{DAC_MODE_SINE, -8,50},
{DAC_MODE_SQUARE, -3,100},
{DAC_MODE_SQUARE, 7,100},
{DAC_MODE_SQUARE, -3,100},
{DAC_MODE_SQUARE, 7,100},
{DAC_MODE_SQUARE, -3,100},
{DAC_MODE_NOISE, 0,200},
{DAC_MODE_SINE, 13,50},
{DAC_MODE_SINE, -7,50},
{DAC_MODE_SINE, 13,50},
{DAC_MODE_SINE, -7,50},
TRACK_END_MARKER
};
const struct tone_t lonely_road_track[] PROGMEM =
{
{DAC_MODE_SQUARE, -2,80},
{DAC_MODE_SQUARE, -3,80},
{DAC_MODE_SAW, -4,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SAW, -6,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SAW, -6,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SQUARE, -2,80},
{DAC_MODE_SQUARE, -3,80},
{DAC_MODE_SAW, -4,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SAW, -6,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SAW, -6,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SQUARE, -2,80},
{DAC_MODE_SQUARE, -3,80},
{DAC_MODE_SAW, -4,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SAW, -6,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SAW, -6,300},
{DAC_MODE_SAW, -4,130},
{DAC_MODE_SAW, -2,130},
{DAC_MODE_SILENT, 0,80},
{DAC_MODE_SQUARE, -1,80},
{DAC_MODE_SQUARE, -2,80},
{DAC_MODE_SAW, -3,170},
{DAC_MODE_SILENT, 0,20},
{DAC_MODE_SAW, -5,170},
{DAC_MODE_SILENT, 0,20},
{DAC_MODE_SAW, -5,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SQUARE, -1,80},
{DAC_MODE_SQUARE, -2,80},
{DAC_MODE_SAW, -3,170},
{DAC_MODE_SILENT, 0,20},
{DAC_MODE_SAW, -5,170},
{DAC_MODE_SILENT, 0,20},
{DAC_MODE_SAW, -5,170},
{DAC_MODE_SILENT, 0,20},
{DAC_MODE_SQUARE, -1,80},
{DAC_MODE_SQUARE, -2,80},
{DAC_MODE_SAW, -3,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SAW, -5,170},
{DAC_MODE_SILENT, 0,30},
{DAC_MODE_SAW, -5,300},
{DAC_MODE_SAW, -3,130},
{DAC_MODE_SAW, -1,130},
{DAC_MODE_SILENT, 0,80},
TRACK_END_MARKER
};
const struct tone_t intro_track[] PROGMEM =
{
{DAC_MODE_SQUARE, -3,200},
{DAC_MODE_SQUARE, -4,200},
{DAC_MODE_SQUARE, -5,200},
{DAC_MODE_SQUARE, -3,200},
{DAC_MODE_SQUARE, -4,200},
{DAC_MODE_SQUARE, -5,200},
{DAC_MODE_SQUARE, -3,200},
{DAC_MODE_SQUARE, -4,200},
{DAC_MODE_SQUARE, -5,200},
{DAC_MODE_SQUARE, -3,200},
{DAC_MODE_SQUARE, -4,200},
{DAC_MODE_SQUARE, -5,200},
{DAC_MODE_SQUARE, -3,200},
{DAC_MODE_SQUARE, -4,200},
{DAC_MODE_SQUARE, -5,200},
{DAC_MODE_SQUARE, -3,200},
{DAC_MODE_SQUARE, -4,200},
{DAC_MODE_SQUARE, -5,200},
{DAC_MODE_SQUARE, -3,200},
{DAC_MODE_SQUARE, -4,200},
{DAC_MODE_SQUARE, -5,200},
{DAC_MODE_SQUARE, -3,200},
{DAC_MODE_SQUARE, -4,200},
{DAC_MODE_SQUARE, -5,200},
{DAC_MODE_SQUARE, -3,400},
{DAC_MODE_SQUARE, -4,400},
{DAC_MODE_SQUARE, -5,400},
{DAC_MODE_SQUARE, -3,500},
{DAC_MODE_SQUARE, -4,550},
{DAC_MODE_SQUARE, -5,600},
{DAC_MODE_SQUARE, -3,800},
{DAC_MODE_SQUARE, -4,900},
{DAC_MODE_SQUARE, -5,1000},
{DAC_MODE_SILENT, 0,1000},
TRACK_END_MARKER
};
const struct tone_t *current_track = NULL;
int16_t global_frequency_offset = 0x00;
/* Loops a track indefinitely and changes voices according to predefined tables.
* A new track resets the internal state. A voice with a length of 0ms is used
* to mark the end of a track and continue at the beginning
*/
void update_sound(){
static uint16_t audio_time = 0;
static size_t tone_pointer = 0x00;
static struct tone_t current_tone = {DAC_MODE_SILENT, 0,0};
if(current_track == NULL){
/* ABORT */
audio_time = 0x00;
return;
}
audio_time++;
static const struct tone_t * old_track = NULL;
if(audio_time >= current_tone.length ||
current_track != old_track){
if(old_track != current_track){
tone_pointer = 0;
audio_time = 0x00;
old_track = current_track;
}
memcpy_P(&current_tone,&(current_track[tone_pointer]),
sizeof(current_tone));
if(current_tone.length == 0){
tone_pointer = 0;
memcpy_P(&current_tone,&(current_track[tone_pointer]),
sizeof(current_tone));
}
dac_mode = current_tone.waveform;
dac_frequency_deviation = current_tone.frequency_deviation +
global_frequency_offset;
audio_time = 0x00;
tone_pointer++;
}
return;
}

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/* Copyright © 2020 tyrolyean
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "structures.h"
#include <stddef.h>
const uint8_t sine_table[256] PROGMEM = {
0x7f,0x82,0x85,0x88,
0x8c,0x8f,0x92,0x95,
0x98,0x9b,0x9e,0xa1,
0xa4,0xa7,0xaa,0xad,
0xb0,0xb3,0xb6,0xb9,
0xbb,0xbe,0xc1,0xc3,
0xc6,0xc9,0xcb,0xce,
0xd0,0xd3,0xd5,0xd7,
0xd9,0xdc,0xde,0xe0,
0xe2,0xe4,0xe6,0xe8,
0xe9,0xeb,0xed,0xee,
0xf0,0xf1,0xf2,0xf4,
0xf5,0xf6,0xf7,0xf8,
0xf9,0xfa,0xfb,0xfc,
0xfc,0xfd,0xfd,0xfe,
0xfe,0xfe,0xfe,0xfe,
0xfe,0xfe,0xfe,0xfe,
0xfe,0xfd,0xfd,0xfc,
0xfc,0xfb,0xfa,0xfa,
0xf9,0xf8,0xf7,0xf6,
0xf4,0xf3,0xf2,0xf0,
0xef,0xed,0xec,0xea,
0xe8,0xe7,0xe5,0xe3,
0xe1,0xdf,0xdd,0xdb,
0xd8,0xd6,0xd4,0xd1,
0xcf,0xcc,0xca,0xc7,
0xc5,0xc2,0xbf,0xbd,
0xba,0xb7,0xb4,0xb1,
0xaf,0xac,0xa9,0xa6,
0xa3,0xa0,0x9d,0x9a,
0x96,0x93,0x90,0x8d,
0x8a,0x87,0x84,0x81,
0x7d,0x7a,0x77,0x74,
0x71,0x6e,0x6b,0x68,
0x64,0x61,0x5e,0x5b,
0x58,0x55,0x52,0x4f,
0x4d,0x4a,0x47,0x44,
0x41,0x3f,0x3c,0x39,
0x37,0x34,0x32,0x2f,
0x2d,0x2a,0x28,0x26,
0x23,0x21,0x1f,0x1d,
0x1b,0x19,0x17,0x16,
0x14,0x12,0x11,0xf,
0xe,0xc,0xb,0xa,
0x8,0x7,0x6,0x5,
0x4,0x4,0x3,0x2,
0x2,0x1,0x1,0x0,
0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,
0x0,0x1,0x1,0x2,
0x2,0x3,0x4,0x5,
0x6,0x7,0x8,0x9,
0xa,0xc,0xd,0xe,
0x10,0x11,0x13,0x15,
0x16,0x18,0x1a,0x1c,
0x1e,0x20,0x22,0x25,
0x27,0x29,0x2b,0x2e,
0x30,0x33,0x35,0x38,
0x3b,0x3d,0x40,0x43,
0x45,0x48,0x4b,0x4e,
0x51,0x54,0x57,0x5a,
0x5d,0x60,0x63,0x66,
0x69,0x6c,0x6f,0x72,
0x76,0x79,0x7c,0x7f,
};
const uint8_t noise_table[1024] PROGMEM = {
0x30, 0xc, 0x3, 0xdf,
0x31, 0xfa, 0x2b, 0x78,
0xd5, 0xd8, 0x6c, 0x29,
0x45, 0xa1, 0x2, 0x69,
0x69, 0x91, 0x8d, 0x65,
0x71, 0xb8, 0x43, 0xde,
0xf2, 0xf6, 0x78, 0x6e,
0x1d, 0xbf, 0x34, 0x4e,
0xcb, 0x38, 0x2e, 0xfd,
0x32, 0x59, 0x75, 0x7,
0x32, 0xe2, 0x31, 0x77,
0x84, 0x33, 0xe1, 0xed,
0xc5, 0x6e, 0x52, 0x36,
0x27, 0x96, 0x15, 0x19,
0x8d, 0x8d, 0x88, 0xab,
0x4d, 0xbc, 0xf9, 0x18,
0xf5, 0x27, 0x16, 0x27,
0x81, 0x8c, 0x2f, 0xb4,
0x6e, 0x60, 0x2b, 0xf2,
0x94, 0xc, 0xe0, 0x59,
0x7b, 0x33, 0x8f, 0xa3,
0xc9, 0xa4, 0xbd, 0x57,
0x32, 0x45, 0x2, 0x7f,
0x2, 0xfb, 0x98, 0xf7,
0x23, 0xae, 0x1e, 0xa5,
0x3a, 0x4d, 0x59, 0xa9,
0xae, 0x84, 0x9b, 0x42,
0x91, 0x7c, 0x9b, 0xc,
0xb0, 0x2b, 0xb0, 0x7a,
0xcf, 0x6d, 0xd1, 0x2,
0xb2, 0xd3, 0x81, 0xb4,
0xce, 0x19, 0xac, 0xf2,
0xc7, 0xcb, 0x97, 0x2,
0x18, 0xf0, 0xab, 0xc7,
0x74, 0x47, 0x9, 0x6,
0xc4, 0xa5, 0x13, 0x74,
0xd0, 0xc3, 0xee, 0xa0,
0x30, 0xbf, 0xa2, 0xe2,
0x92, 0x24, 0x97, 0x61,
0x3d, 0x44, 0x53, 0x5,
0xf, 0xea, 0x7, 0x28,
0xda, 0xb3, 0xef, 0x4f,
0xfa, 0xf9, 0x55, 0xbe,
0x9f, 0x68, 0x33, 0x6f,
0x2b, 0x21, 0x10, 0x5c,
0xe0, 0xb2, 0x3f, 0x73,
0xd6, 0xd7, 0xd4, 0x14,
0x1b, 0x27, 0x1a, 0x2a,
0x12, 0x21, 0x53, 0xec,
0xd5, 0x42, 0x3c, 0xcf,
0x3c, 0x91, 0x8e, 0xdb,
0xfa, 0xc2, 0x4b, 0x26,
0xe3, 0x5b, 0x82, 0xc4,
0xe, 0xc1, 0x37, 0xe5,
0x98, 0xb, 0xfa, 0xb4,
0x33, 0x14, 0xde, 0x45,
0x36, 0x31, 0x32, 0xb,
0x74, 0x6e, 0xdb, 0xb1,
0x0, 0x6a, 0x8c, 0xfa,
0x2c, 0xd7, 0x21, 0xf,
0x33, 0xa3, 0xd3, 0x42,
0x65, 0xa, 0x27, 0xfe,
0x16, 0x21, 0xb2, 0x49,
0x35, 0x91, 0x8e, 0x6b,
0xc3, 0xc0, 0x77, 0x38,
0x2e, 0x52, 0xe9, 0x2f,
0xbc, 0x76, 0x29, 0xe8,
0x4d, 0x4b, 0xf7, 0x81,
0xef, 0xcb, 0xc3, 0x54,
0xd5, 0xeb, 0x53, 0xec,
0xd, 0x6, 0x35, 0x43,
0x98, 0xc3, 0xaf, 0x5b,
0x84, 0x26, 0x94, 0xb3,
0x78, 0x7d, 0xe2, 0x35,
0xf3, 0xc, 0x1d, 0x41,
0x57, 0x15, 0xc3, 0x46,
0xe0, 0x87, 0x9b, 0xb6,
0x72, 0xee, 0xa3, 0x7f,
0xf5, 0xd8, 0xc2, 0x8d,
0x9c, 0x72, 0xe9, 0x20,
0x98, 0x7d, 0xd3, 0x11,
0xfb, 0xb5, 0x46, 0xef,
0xc1, 0x64, 0x31, 0x19,
0x79, 0xf4, 0x5f, 0x5a,
0x7b, 0xfa, 0x11, 0xee,
0xe9, 0xb4, 0x6e, 0xde,
0x8c, 0x31, 0x6c, 0x29,
0xa3, 0x55, 0x49, 0x3b,
0xd3, 0x1c, 0x4d, 0xce,
0xd2, 0x93, 0xbe, 0x94,
0xf7, 0xef, 0xad, 0x71,
0xe4, 0xd, 0xcc, 0x60,
0x8, 0xdd, 0x4e, 0xf1,
0x92, 0xbc, 0xd0, 0x1f,
0xed, 0x3c, 0x48, 0x90,
0x92, 0x91, 0xcc, 0x65,
0xae, 0x19, 0x34, 0x81,
0xad, 0xf2, 0x15, 0xa5,
0xe2, 0xc3, 0x17, 0xc6,
0xd0, 0xe3, 0x27, 0xd8,
0xc1, 0x75, 0xca, 0x53,
0x32, 0x9b, 0x72, 0x1f,
0xd8, 0xbb, 0xb0, 0x6a,
0x4d, 0x7d, 0xd0, 0xfb,
0x97, 0x4, 0x7d, 0x45,
0xf7, 0x93, 0xea, 0xd9,
0x56, 0x1, 0xa0, 0x27,
0xe4, 0xc7, 0x0, 0xa5,
0x3d, 0xcb, 0xf9, 0x6f,
0x66, 0x6c, 0x8f, 0x3f,
0x27, 0x40, 0xa9, 0x74,
0xbe, 0x7a, 0x70, 0x55,
0x7f, 0xee, 0x9a, 0x76,
0x81, 0x85, 0x50, 0xd7,
0x87, 0xf1, 0xff, 0x6b,
0xb9, 0xff, 0x11, 0xf7,
0xca, 0xb, 0x67, 0x31,
0x77, 0xf7, 0x70, 0x9f,
0x37, 0x1a, 0x14, 0xf6,
0x94, 0x85, 0x4b, 0x13,
0x73, 0xe6, 0x8a, 0xf4,
0x6c, 0xdb, 0xcb, 0xf3,
0xcc, 0xcb, 0x5f, 0x86,
0xca, 0x71, 0x7d, 0x95,
0x7c, 0xe4, 0xc6, 0xf4,
0xdc, 0x36, 0x93, 0x13,
0x50, 0xa7, 0xa, 0xe5,
0x2d, 0x55, 0xf9, 0xa0,
0x3c, 0x83, 0x94, 0xa9,
0x5f, 0x60, 0x9c, 0x2b,
0x2b, 0xfc, 0xb2, 0xf6,
0x6d, 0x30, 0x8b, 0xe9,
0x14, 0x51, 0xde, 0xf0,
0x88, 0x71, 0x4, 0xd8,
0x19, 0xe, 0xbe, 0x46,
0x64, 0xb7, 0xe6, 0xa1,
0x3b, 0x7b, 0x4a, 0x9a,
0xdb, 0xe7, 0xc6, 0x7,
0xe3, 0x78, 0xfd, 0x51,
0xa8, 0x88, 0x3b, 0xbd,
0xda, 0x19, 0xae, 0x62,
0x8a, 0xb3, 0x3a, 0xa4,
0xc2, 0xf9, 0xeb, 0x26,
0xb0, 0xd2, 0xc8, 0xec,
0x4d, 0x13, 0x86, 0x29,
0xfa, 0x4d, 0x30, 0xde,
0xc6, 0x2e, 0x2f, 0x6f,
0xb6, 0x6a, 0x2d, 0x90,
0x83, 0xdb, 0xf2, 0xe,
0x8f, 0x2d, 0xb3, 0x51,
0x27, 0x9e, 0x78, 0xd8,
0x71, 0x40, 0xc4, 0xbe,
0x54, 0x4b, 0xe8, 0x4e,
0x98, 0x18, 0x2d, 0x5f,
0x46, 0x5d, 0xce, 0xfd,
0xc7, 0xfb, 0x8e, 0x4b,
0xd7, 0x81, 0x5a, 0x66,
0xaf, 0xe, 0xb7, 0xd6,
0xac, 0x2f, 0xae, 0x1d,
0x70, 0x72, 0xdc, 0xc4,
0xbd, 0xc4, 0x13, 0x56,
0xdd, 0x40, 0xb6, 0x24,
0x9d, 0x84, 0x21, 0x65,
0x80, 0xb0, 0xb1, 0x57,
0x31, 0xb, 0xbd, 0xe0,
0x19, 0x75, 0xb6, 0xc6,
0xa5, 0x64, 0xe4, 0x15,
0xd7, 0xc1, 0xda, 0x95,
0x85, 0xed, 0xec, 0x63,
0x2e, 0xa2, 0x87, 0xcc,
0x26, 0xa9, 0x32, 0xa6,
0x59, 0xe3, 0xfd, 0x8a,
0xef, 0xbb, 0x6b, 0x9,
0x30, 0x21, 0xcf, 0xd5,
0x86, 0xb4, 0xeb, 0x5d,
0x75, 0xc5, 0xf3, 0xfb,
0xb3, 0xdf, 0x5e, 0xe2,
0x81, 0xe6, 0xaf, 0xa7,
0x8f, 0xe1, 0x4e, 0xe8,
0xc5, 0x4c, 0x73, 0xb4,
0x7, 0xdf, 0xbe, 0x38,
0x1, 0x8e, 0xd, 0x87,
0x42, 0xf8, 0xe5, 0xb8,
0xbe, 0xd8, 0xb4, 0x72,
0xb7, 0x12, 0x54, 0x39,
0xf9, 0x4, 0xe0, 0x88,
0xe6, 0x2f, 0x71, 0xab,
0x7b, 0xe5, 0x60, 0x83,
0xc4, 0x1e, 0xbb, 0xc5,
0xac, 0xc9, 0x4d, 0xef,
0xc2, 0x33, 0xa7, 0x80,
0xc, 0x5b, 0xf3, 0xc3,
0x6e, 0x48, 0xfc, 0x67,
0x4c, 0xdd, 0xf0, 0x32,
0xd, 0x61, 0xdd, 0x88,
0x47, 0x3e, 0xb, 0xb,
0x5c, 0xc7, 0xd1, 0x9,
0x90, 0x1e, 0xf8, 0x52,
0x52, 0x9f, 0xd2, 0x5e,
0xfb, 0xc6, 0x22, 0x69,
0xe, 0x1f, 0xd1, 0x5a,
0xfd, 0xc2, 0x8c, 0xa,
0x23, 0x6a, 0x92, 0x6a,
0xa9, 0x9e, 0x76, 0x5,
0x65, 0x47, 0xe, 0xf5,
0x66, 0x6, 0x47, 0xb9,
0xa6, 0x1a, 0x17, 0xa2,
0xe0, 0x39, 0xc, 0xee,
0x59, 0xdd, 0x49, 0x56,
0x9f, 0xd6, 0x60, 0xc3,
0x41, 0xf3, 0x2e, 0xea,
0x91, 0xa4, 0xf0, 0xf7,
0xec, 0xfe, 0xec, 0x53,
0x5, 0x34, 0xc, 0xac,
0x4f, 0x24, 0x4e, 0x2f,
0x5d, 0x5a, 0x1e, 0xb7,
0x38, 0x67, 0xd, 0xd8,
0x3e, 0x6d, 0x9c, 0x7f,
0x61, 0xca, 0x69, 0xf2,
0x6f, 0x59, 0xe9, 0x5c,
0x58, 0xd6, 0xb0, 0x5e,
0xb, 0xbc, 0xa, 0x5a,
0xe0, 0x59, 0x8a, 0x3e,
0xb4, 0xa8, 0xf5, 0xec,
0x10, 0x3, 0xc5, 0x4e,
0x71, 0x61, 0xce, 0xd2,
0x2c, 0x37, 0xc4, 0x9c,
0x91, 0xae, 0xf8, 0xea,
0x85, 0xa8, 0x48, 0x90,
0x65, 0x52, 0xeb, 0x46,
0xac, 0x75, 0x84, 0x60,
0x1e, 0x7a, 0x4d, 0x2f,
0x7d, 0x13, 0x7d, 0xee,
0x74, 0x4c, 0xc0, 0xa1,
0x83, 0x85, 0x3d, 0x15,
0x34, 0x36, 0xff, 0xba,
0xdf, 0x47, 0x4b, 0x44,
0x9a, 0x36, 0x8a, 0x47,
0xac, 0xf, 0xa7, 0xca,
0x89, 0xf5, 0xf9, 0x7,
0x8, 0x77, 0xf5, 0x7d,
0xc3, 0xb6, 0x1f, 0x47,
0x3c, 0x5c, 0x5c, 0x71,
0x93, 0x5c, 0x2b, 0x72,
0xa3, 0x76, 0xb7, 0x3e,
0xac, 0x41, 0x85, 0x58,
0x51, 0x2d, 0x23, 0xdb,
0x22, 0x1c, 0xe2, 0x2b,
0x93, 0xd8, 0xa8, 0x57,
0x8f, 0xc7, 0x9e, 0xcb,
0x24, 0xfb, 0x3c, 0xb7,
0x57, 0x68, 0x2a, 0xfb,
0xde, 0xe1, 0x39, 0x8b,
0x23, 0xbf, 0xe4, 0x74,
0xec, 0x7, 0x4f, 0xf,
0x24, 0x32, 0x3a, 0xb8
};
char* sndirtroad_msg[2] = {
"You travel a bit towards the moon, you think that's the way to go. You"
" find a bear in the middle of the road sleeping seemingly in peace. "
"The way to the north is blocked by the bear.",
"You atravel a bit towards the moon, you KNOW that's the way to go. You"
" smell something weired along the way, but you don't know where it is "
"coming from. Smells like flesh rotting away..."
};
char* user_action_req_msgs[3] = {
"What are you going to do?"
};
const char* info_table[] = {
"ERROR", // 0
"Invalid command!", // 1
"You can't use that!", // 2
NULL, // 3
"You can't go that way!", // 4
"YOU MAY ACT NOW!", // 5
"There is nothing here..", // 6
"it died", // 7
"it survived", // 8
"a bear blocks the way", // 9
"it ran away...", // 10
"it won't start", // 11
"you can't type", // 12
"you unlocked the door" // 13
};
const char* action_table[NUM_ACTIONS] = {
"help",
"north",
"south",
"west",
"east",
"describe",
"use",
"inventory",
"search",
"take",
};
const char* room_table[] = {
"NOTHING",
"LONELY ROAD",
"S/N DIRT ROAD",
"FIREPLACE",
"E/W Street",
"OLD HOUSE",
"LIVING ROOM",
"ATTIC",
"BASEMENT",
"COMPUTER ROOM"
};
char* room_description_table[sizeof(room_table)/sizeof(const char*)] = {
"You stare into a void of nothingness. You see noone, you hear noone,"
"you feel someone. You look around, and see nothing, yet "
"you are no less scared.",
"You are on the dead end of a lonely road. You look right and left of "
"you, but you cannot remember why you are here... You are terrified.",
NULL,
"You find a fireplace in the middle of the woods. A street leads to it "
"from the west. The fire in the middle of the place is still burning as"
" if someone had left in a hurry...",
"You travel down the road. It has no lights, but the moon shines bright"
". The road ends with a house to your left. The houses door mat is in "
"the road. Its door is locked.",
"You enter the long hallway of the old house. It has doors on all walls"
". The doors look a little weired because they are flat and don't have "
"a handle to pull.",
"You enter a large room with a few chairs and a tube TV inside it. In "
"the center there is a tile table with a vase and flowers on it. The "
"flowers are blooming.",
"You enter the attic of the house. It has a few books and some filers "
"with documents inside it. The filers are glued together. The books too"
". You can't stand up straight.",
"You enter the basement. You find some potatoes in a corner and a "
"skeleton atop it. ",
"You enter a room which looks like you've traveled from an old house "
"to the campus of a university. There is a large machine witha sign "
"DIGITAL on it. It looks like a computer, though you've never seen one "
"in person before..."
};
bool room_visited_table[sizeof(room_table)/sizeof(const char*)];
uint8_t room_map_table[sizeof(room_table)/sizeof(const char*)]
[4] = {
/* NORTH, SOUTH, WEST, EAST */
{0,0,0,0}, /* 0 nothing */
{2,0,0,0}, /* 1 LONELY ROAD */
{0,1,0,0}, /* 2 S/N DIRT ROAD */
{0,2,4,0}, /* 3 FIREPLACE */
{0,0,0,3}, /* 4 E/W STREET */
{7,4,9,6}, /* 5 OLD HOUSE */
{8,0,5,0}, /* 6 LIVING ROOM */
{0,5,0,0}, /* 7 ATTIC */
{0,6,0,0}, /* 8 BASEMENT */
{0,0,0,5} /* 9 COMPUTERROOM */
};
const char* item_table[NUM_ITEMS] = {
"FLOPPY DISK", /* 0 */
"SCREWDRIVER", /* 1 */
"KEYBOARD", /* 2 */
"SAUSAGE", /* 3 */
"FLESH", /* 4 */
"KEY", /* 5 */
"PISTOL" /* 6 */
};
bool inventory[sizeof(item_table)/sizeof(const char*)];
int8_t item_room_map[NUM_ROOMS] = {
-1, /* 0 NOTHING */
ITEM_PISTOL, /* 1 LONELY ROAD */
ITEM_SAUSAGE, /* 2 S/N DIRT ROAD */
-1, /* 3 FIREPLACE */
ITEM_KEY, /* 4 E/W STREET*/
ITEM_SCREWDRIVER, /* 5 OLD HOUSE */
-1, /* 6 LIVING ROOM */
ITEM_KEYBOARD, /* 7 ATTIC */
ITEM_FLOPPY, /* 8 BASEMENT */
-1 /* 9 COMPUTERROOM */
};
const struct tone_t * room_track_map[NUM_ROOMS] = {
intro_track,
lonely_road_track,
computer_room_track,
lonely_road_track,
computer_room_track
};