//Cindy Jih //Esther Jun //ECE 476 Final Project //Frogger //video gen and sound //D.5 is sync:1000 ohm + diode to 75 ohm resistor //D.6 is video:330 ohm + diode to 75 ohm resistor //D.7 is audio #pragma regalloc- //I allocate the registers myself #pragma optsize- //optimize for speed #include #include #include #include #include //cycles = 63.625 * 16 Note NTSC is 63.55 //but this line duration makes each frame exactly 1/60 sec //which is nice for keeping a realtime clock #define lineTime 1018 #define ScreenTop 30 #define ScreenBot 230 #define T0reload 256-60 //NOTE that v1 to v8 and i must be in registers! register char v1 @4; register char v2 @5; register char v3 @6; register char v4 @7; register char v5 @8; register char v6 @9; register char v7 @10; register char v8 @11; register int i @12; #pragma regalloc+ /***** FROGGER variables *****/ //screen variables char syncON, syncOFF; int LineCount; int time; char screen[1600], t, ts[5]; unsigned char state; //keypad variables #define maxkeys 16 unsigned char key; unsigned char butnum; //get_frog_dir() SM variables #define no_push 1 #define maybe_push 2 #define push 3 #define release 4 unsigned char frog_state; unsigned char maybe; //get_reset() SM variables #define Rno_push 1 #define Rmaybe_push 2 #define Rpush 3 #define Rrelease 4 unsigned char reset_state; unsigned char Rmaybe; unsigned char flag_reset; //get_pause() SM variables #define Pno_push 1 #define Pmaybe_push 2 #define Ppush 3 #define Prelease 4 unsigned char pause_state; unsigned char Pmaybe; unsigned char flag_p, flag_pause; unsigned char flag_getpause, count_pause; //frog variables #define up 2 #define left 5 #define down 6 #define right 7 #define begin 4 #define pause 8 unsigned char flag_up, flag_left, flag_down, flag_right, flag_begin; unsigned char flag_frog; //start and stop everything char frog[]="C"; //the frog char deadfrog[]="X"; //dead frog unsigned char frog_x, frog_y; //frog coordinates unsigned char frog_count; //# of frogs killed unsigned char frog_win_count; //# of frogs to lily pad unsigned char flag_froginit; //redraw frog at init pos unsigned char flag_redraw, state_redraw; unsigned char flag_gameover, count_gameover; //car variables unsigned char initcar[3]; unsigned char cary[3], carlength[3]; unsigned char carpos_ln1[4], carpos_ln2[2], carpos_ln3[3]; char cv1, cv2, cv3; //log variables unsigned char initlog[3]; unsigned char logy[3], loglength[3]; unsigned char logpos_ln1[4], logpos_ln2[2], logpos_ln3[3]; char Lv1, Lv2, Lv3; unsigned char flag_log; //detect_win() variables unsigned char L; unsigned char flag_nextlevel, count_level; //life variables unsigned char life, lf[5]; unsigned char flag_displife; //score variables int score; unsigned char flag_score, sc[5], hs[5]; eeprom int highscore; //sound effects variables unsigned char flag_notewin; unsigned char flag_notehit; int note; //other variables unsigned char j; int k; //TITLE DISPLAY char frogger[] = "FROGGER"; char press[] = "PRESS"; char A[] = "A"; char to[] = "TO"; char start[] = "START"; //PAUSED char paused[] = "PAUSED"; //NEXT LEVEL char next[] = "NEXT"; char level[] = "LEVEL"; //GAME OVER char game[] = "GAME"; char over[] = "OVER"; //YOU WIN char you[] = "YOU"; char win[] = "WIN"; //HIGH SCORE char high[] = "HIGH"; char points[] = "SCORE"; //point plot lookup table flash char pos[8]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01}; //keypad scan table flash unsigned char keytbl[16]={ 0xee, 0xed, 0xeb, 0xe7, //1 2 3 A 0xde, 0xdd, 0xdb, 0xd7, //4 5 6 B 0xbe, 0xbd, 0xbb, 0xb7, //7 8 9 C 0x7e, 0x7d, 0x7b, 0x77}; //* 0 # D //define some character bitmaps //5x7 characters flash char bitmap[38][7]={ //0 0b01110000, 0b10001000, 0b10011000, 0b10101000, 0b11001000, 0b10001000, 0b01110000, //1 0b00100000, 0b01100000, 0b00100000, 0b00100000, 0b00100000, 0b00100000, 0b01110000, //2 0b01110000, 0b10001000, 0b00001000, 0b00010000, 0b00100000, 0b01000000, 0b11111000, //3 0b11111000, 0b00010000, 0b00100000, 0b00010000, 0b00001000, 0b10001000, 0b01110000, //4 0b00010000, 0b00110000, 0b01010000, 0b10010000, 0b11111000, 0b00010000, 0b00010000, //5 0b11111000, 0b10000000, 0b11110000, 0b00001000, 0b00001000, 0b10001000, 0b01110000, //6 0b01000000, 0b10000000, 0b10000000, 0b11110000, 0b10001000, 0b10001000, 0b01110000, //7 0b11111000, 0b00001000, 0b00010000, 0b00100000, 0b01000000, 0b10000000, 0b10000000, //8 0b01110000, 0b10001000, 0b10001000, 0b01110000, 0b10001000, 0b10001000, 0b01110000, //9 0b01110000, 0b10001000, 0b10001000, 0b01111000, 0b00001000, 0b00001000, 0b00010000, //A 0b01110000, 0b10001000, 0b10001000, 0b10001000, 0b11111000, 0b10001000, 0b10001000, //B 0b11110000, 0b10001000, 0b10001000, 0b11110000, 0b10001000, 0b10001000, 0b11110000, /* //C 0b01110000, 0b10001000, 0b10000000, 0b10000000, 0b10000000, 0b10001000, 0b01110000, */ //frog 0b10001000, 0b11111000, 0b01110000, 0b01110000, 0b11111000, 0b10001000, 0b10001000, //D 0b11110000, 0b10001000, 0b10001000, 0b10001000, 0b10001000, 0b10001000, 0b11110000, //E 0b11111000, 0b10000000, 0b10000000, 0b11111000, 0b10000000, 0b10000000, 0b11111000, //F 0b11111000, 0b10000000, 0b10000000, 0b11111000, 0b10000000, 0b10000000, 0b10000000, //G 0b01110000, 0b10001000, 0b10000000, 0b10011000, 0b10001000, 0b10001000, 0b01110000, //H 0b10001000, 0b10001000, 0b10001000, 0b11111000, 0b10001000, 0b10001000, 0b10001000, //I 0b01110000, 0b00100000, 0b00100000, 0b00100000, 0b00100000, 0b00100000, 0b01110000, //J 0b00111000, 0b00010000, 0b00010000, 0b00010000, 0b00010000, 0b10010000, 0b01100000, //K 0b10001000, 0b10010000, 0b10100000, 0b11000000, 0b10100000, 0b10010000, 0b10001000, //L 0b10000000, 0b10000000, 0b10000000, 0b10000000, 0b10000000, 0b10000000, 0b11111000, //M 0b10001000, 0b11011000, 0b10101000, 0b10101000, 0b10001000, 0b10001000, 0b10001000, //N 0b10001000, 0b10001000, 0b11001000, 0b10101000, 0b10011000, 0b10001000, 0b10001000, //O 0b01110000, 0b10001000, 0b10001000, 0b10001000, 0b10001000, 0b10001000, 0b01110000, //P 0b11110000, 0b10001000, 0b10001000, 0b11110000, 0b10000000, 0b10000000, 0b10000000, //Q 0b01110000, 0b10001000, 0b10001000, 0b10001000, 0b10101000, 0b10010000, 0b01101000, //R 0b11110000, 0b10001000, 0b10001000, 0b11110000, 0b10100000, 0b10010000, 0b10001000, //S 0b01111000, 0b10000000, 0b10000000, 0b01110000, 0b00001000, 0b00001000, 0b11110000, //T 0b11111000, 0b00100000, 0b00100000, 0b00100000, 0b00100000, 0b00100000, 0b00100000, //U 0b10001000, 0b10001000, 0b10001000, 0b10001000, 0b10001000, 0b10001000, 0b01110000, //V 0b10001000, 0b10001000, 0b10001000, 0b10001000, 0b10001000, 0b01010000, 0b00100000, //W 0b10001000, 0b10001000, 0b10001000, 0b10101000, 0b10101000, 0b10101000, 0b01010000, //X 0b10001000, 0b10001000, 0b01010000, 0b00100000, 0b01010000, 0b10001000, 0b10001000, //Y 0b10001000, 0b10001000, 0b10001000, 0b01010000, 0b00100000, 0b00100000, 0b00100000, //Z 0b11111000, 0b00001000, 0b00010000, 0b00100000, 0b01000000, 0b10000000, 0b11111000, //figure1 0b01110000, 0b00100000, 0b01110000, 0b10101000, 0b00100000, 0b01010000, 0b10001000, //figure2 0b01110000, 0b10101000, 0b01110000, 0b00100000, 0b00100000, 0b01010000, 0b10001000}; //================================ //3x5 font numbers, then letters //packed two per definition for fast //copy to the screen at x-position divisible by 4 flash char smallbitmap[39][5]={ //0 0b11101110, 0b10101010, 0b10101010, 0b10101010, 0b11101110, //1 0b01000100, 0b11001100, 0b01000100, 0b01000100, 0b11101110, //2 0b11101110, 0b00100010, 0b11101110, 0b10001000, 0b11101110, //3 0b11101110, 0b00100010, 0b11101110, 0b00100010, 0b11101110, //4 0b10101010, 0b10101010, 0b11101110, 0b00100010, 0b00100010, //5 0b11101110, 0b10001000, 0b11101110, 0b00100010, 0b11101110, //6 0b11001100, 0b10001000, 0b11101110, 0b10101010, 0b11101110, //7 0b11101110, 0b00100010, 0b01000100, 0b10001000, 0b10001000, //8 0b11101110, 0b10101010, 0b11101110, 0b10101010, 0b11101110, //9 0b11101110, 0b10101010, 0b11101110, 0b00100010, 0b01100110, //: 0b00000000, 0b01000100, 0b00000000, 0b01000100, 0b00000000, //= 0b00000000, 0b11101110, 0b00000000, 0b11101110, 0b00000000, //blank 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, //A 0b11101110, 0b10101010, 0b11101110, 0b10101010, 0b10101010, //B 0b11001100, 0b10101010, 0b11101110, 0b10101010, 0b11001100, //C 0b11101110, 0b10001000, 0b10001000, 0b10001000, 0b11101110, //D 0b11001100, 0b10101010, 0b10101010, 0b10101010, 0b11001100, //E 0b11101110, 0b10001000, 0b11101110, 0b10001000, 0b11101110, //F 0b11101110, 0b10001000, 0b11101110, 0b10001000, 0b10001000, //G 0b11101110, 0b10001000, 0b10001000, 0b10101010, 0b11101110, //H 0b10101010, 0b10101010, 0b11101110, 0b10101010, 0b10101010, //I 0b11101110, 0b01000100, 0b01000100, 0b01000100, 0b11101110, //J 0b00100010, 0b00100010, 0b00100010, 0b10101010, 0b11101110, //K 0b10001000, 0b10101010, 0b11001100, 0b11001100, 0b10101010, //L 0b10001000, 0b10001000, 0b10001000, 0b10001000, 0b11101110, //M 0b10101010, 0b11101110, 0b11101110, 0b10101010, 0b10101010, //N 0b00000000, 0b11001100, 0b10101010, 0b10101010, 0b10101010, //O 0b01000100, 0b10101010, 0b10101010, 0b10101010, 0b01000100, //P 0b11101110, 0b10101010, 0b11101110, 0b10001000, 0b10001000, //Q 0b01000100, 0b10101010, 0b10101010, 0b11101110, 0b01100110, //R 0b11101110, 0b10101010, 0b11001100, 0b11101110, 0b10101010, //S 0b11101110, 0b10001000, 0b11101110, 0b00100010, 0b11101110, //T 0b11101110, 0b01000100, 0b01000100, 0b01000100, 0b01000100, //U 0b10101010, 0b10101010, 0b10101010, 0b10101010, 0b11101110, //V 0b10101010, 0b10101010, 0b10101010, 0b10101010, 0b01000100, //W 0b10101010, 0b10101010, 0b11101110, 0b11101110, 0b10101010, //X 0b00000000, 0b10101010, 0b01000100, 0b01000100, 0b10101010, //Y 0b10101010, 0b10101010, 0b01000100, 0b01000100, 0b01000100, //Z 0b11101110, 0b00100010, 0b01000100, 0b10001000, 0b11101110 }; //================================== //This is the sync generator and raster generator. It MUST be entered from //sleep mode to get accurate timing of the sync pulses #pragma warn- interrupt [TIM1_COMPA] void t1_cmpA(void) { //start the Horizontal sync pulse PORTD = syncON; //count timer 0 at 1/usec TCNT0=0; //update the curent scanline number LineCount++; //begin inverted (Vertical) synch after line 247 if (LineCount==248) { syncON = 0b00100000; syncOFF = 0; } //back to regular sync after line 250 if (LineCount==251) { syncON = 0; syncOFF = 0b00100000; } //start new frame after line 262 if (LineCount==263) { LineCount = 1; } delay_us(2); //adjust to make 5 us pulses //end sync pulse PORTD = syncOFF; if (LineCount=ScreenTop) { //compute byte index for beginning of the next line //left-shift 4 would be individual lines // <<3 means line-double the pixels //The 0xfff8 truncates the odd line bit //i=(LineCount-ScreenTop)<<3 & 0xfff8; // #asm push r16 lds r12, _LineCount lds r13, _Linecount+1 ldi r16, 30 sub r12, r16 ldi r16,0 sbc r13, r16 lsl r12 rol r13 lsl r12 rol r13 lsl r12 rol r13 mov r16,r12 andi r16,0xf0 mov r12,r16 pop r16 #endasm //load 16 registers with screen info #asm push r14 push r15 push r16 push r17 push r18 push r19 push r26 push r27 ldi r26,low(_screen) ;base address of screen ldi r27,high(_screen) add r26,r12 ;offset into screen (add i) adc r27,r13 ld r4,x+ ;load 16 registers and inc pointer ld r5,x+ ld r6,x+ ld r7,x+ ld r8,x+ ld r9,x+ ld r10,x+ ld r11,x+ ld r12,x+ ld r13,x+ ld r14,x+ ld r15,x+ ld r16,x+ ld r17,x+ ld r18,x+ ld r19,x pop r27 pop r26 #endasm delay_us(4); //adjust to center image on screen //blast 16 bytes to the screen #asm ;but first a macro to make the code shorter ;the macro takes a register number as a parameter ;and dumps its bits serially to portD.6 ;the nop can be eliminated to make the display narrower .macro videobits ;regnum BST @0,7 IN R30,0x12 BLD R30,6 nop OUT 0x12,R30 BST @0,6 IN R30,0x12 BLD R30,6 nop OUT 0x12,R30 BST @0,5 IN R30,0x12 BLD R30,6 nop OUT 0x12,R30 BST @0,4 IN R30,0x12 BLD R30,6 nop OUT 0x12,R30 BST @0,3 IN R30,0x12 BLD R30,6 nop OUT 0x12,R30 BST @0,2 IN R30,0x12 BLD R30,6 nop OUT 0x12,R30 BST @0,1 IN R30,0x12 BLD R30,6 nop OUT 0x12,R30 BST @0,0 IN R30,0x12 BLD R30,6 nop OUT 0x12,R30 .endm videobits r4 ;video line -- byte 1 videobits r5 ;byte 2 videobits r6 ;byte 3 videobits r7 ;byte 4 videobits r8 ;byte 5 videobits r9 ;byte 6 videobits r10 ;byte 7 videobits r11 ;byte 8 videobits r12 ;byte 9 videobits r13 ;byte 10 videobits r14 ;byte 11 videobits r15 ;byte 12 videobits r16 ;byte 13 videobits r17 ;byte 14 videobits r18 ;byte 15 videobits r19 ;byte 16 clt ;clear video after the last pixel on the line IN R30,0x12 BLD R30,6 OUT 0x12,R30 pop r19 pop r18 pop r17 pop r16 pop r15 pop r14 #endasm } } #pragma warn+ /*************** VIDEO FUNCTIONS ***************/ //================================== //plot one point //at x,y with color 1=white 0=black 2=invert #pragma warn- void video_pt(char x, char y, char c) { #asm ; i=(x>>3) + ((int)y<<4) ; the byte with the pixel in it push r16 ldd r30,y+2 ;get x lsr r30 lsr r30 lsr r30 ;divide x by 8 ldd r12,y+1 ;get y lsl r12 ;mult y by 16 clr r13 lsl r12 rol r13 lsl r12 rol r13 lsl r12 rol r13 add r12, r30 ;add in x/8 ;v2 = screen[i]; r5 ;v3 = pos[x & 7]; r6 ;v4 = c r7 ldi r30,low(_screen) ldi r31,high(_screen) add r30, r12 adc r31, r13 ld r5,Z ;get screen byte ldd r26,y+2 ;get x ldi r27,0 andi r26,0x07 ;form x & 7 ldi r30,low(_pos*2) ldi r31,high(_pos*2) add r30,r26 adc r31,r27 lpm r6,Z ld r16,y ;get c ;if (v4==1) screen[i] = v2 | v3 ; ;if (v4==0) screen[i] = v2 & ~v3; ;if (v4==2) screen[i] = v2 ^ v3 ; cpi r16,1 brne tst0 or r5,r6 tst0: cpi r16,0 brne tst2 com r6 and r5,r6 tst2: cpi r16,2 brne writescrn eor r5,r6 writescrn: ldi r30,low(_screen) ldi r31,high(_screen) add r30, r12 adc r31, r13 st Z, r5 ;write the byte back to the screen pop r16 #endasm } #pragma warn+ //================================== // put a big character on the screen // c is index into bitmap void video_putchar(char x, char y, char c) { v7 = x; for (v6=0;v6<7;v6++) { v1 = bitmap[c][v6]; v8 = y+v6; video_pt(v7, v8, (v1 & 0x80)==0x80); video_pt(v7+1, v8, (v1 & 0x40)==0x40); video_pt(v7+2, v8, (v1 & 0x20)==0x20); video_pt(v7+3, v8, (v1 & 0x10)==0x10); video_pt(v7+4, v8, (v1 & 0x08)==0x08); } } //================================== // put a string of big characters on the screen void video_puts(char x, char y, char *str) { char i; for (i=0; str[i]!=0; i++) { if (str[i]>=0x30 && str[i]<=0x3a) video_putchar(x,y,str[i]-0x30); else video_putchar(x,y,str[i]-0x40+9); x = x+6; } } //================================== // put a big blank character onto the screen // c is index into bitmap void video_erchar(char x, char y, char c) { v7 = x; for (v6=0;v6<7;v6++) { v1 = bitmap[c][v6]; v8 = y+v6; video_pt(v7, v8, 0); video_pt(v7+1, v8, 0); video_pt(v7+2, v8, 0); video_pt(v7+3, v8, 0); video_pt(v7+4, v8, 0); } } //================================== // put a string of big blank characters on the screen void video_ers(char x, char y, char *str) { char i; for (i=0; str[i]!=0; i++) { if (str[i]>=0x30 && str[i]<=0x3a) video_erchar(x,y,str[i]-0x30); else video_erchar(x,y,str[i]-0x40+9); x = x+6; } } //================================== // put a small character on the screen // x-cood must be on divisible by 4 // c is index into bitmap void video_smallchar(char x, char y, char c) { char mask; i=((int)x>>3) + ((int)y<<4) ; if (x == (x & 0xf8)) mask = 0x0f; //f8 else mask = 0xf0; screen[i] = (screen[i] & mask) | (smallbitmap[c][0] & ~mask); screen[i+16] = (screen[i+16] & mask) | (smallbitmap[c][1] & ~mask); screen[i+32] = (screen[i+32] & mask) | (smallbitmap[c][2] & ~mask); screen[i+48] = (screen[i+48] & mask) | (smallbitmap[c][3] & ~mask); screen[i+64] = (screen[i+64] & mask) | (smallbitmap[c][4] & ~mask); } //================================== // put a string of small characters on the screen // x-cood must be on divisible by 4 void video_putsmalls(char x, char y, char *str) { char i; for (i=0; str[i]!=0; i++) { if (str[i]>=0x30 && str[i]<=0x3a) video_smallchar(x,y,str[i]-0x30); else video_smallchar(x,y,str[i]-0x40+12); x = x+4; } } //================================== //plot a line //at x1,y1 to x2,y2 with color 1=white 0=black 2=invert //NOTE: this function requires signed chars //Code is from David Rodgers, //"Procedural Elements of Computer Graphics",1985 void video_line(char x1, char y1, char x2, char y2, char c) { int e; signed char dx,dy,j, temp; signed char s1,s2, xchange; signed char x,y; x = x1; y = y1; dx = cabs(x2-x1); dy = cabs(y2-y1); s1 = csign(x2-x1); s2 = csign(y2-y1); xchange = 0; if (dy>dx) { temp = dx; dx = dy; dy = temp; xchange = 1; } e = ((int)dy<<1) - dx; for (j=0; j<=dx; j++) { video_pt(x,y,c); if (e>=0) { if (xchange==1) x = x + s1; else y = y + s2; e = e - ((int)dx<<1); } if (xchange==1) y = y + s2; else x = x + s1; e = e + ((int)dy<<1); } } /*************** FROGGER FUNCTIONS ***************/ //================================== //keypad scanning function //nb: keypad connected to PORTC void keypad(void) { //get lower nibble DDRC = 0x0f; PORTC = 0xf0; delay_us(5); key = PINC; //get upper nibble DDRC = 0xf0; PORTC = 0x0f; delay_us(5); key = key | PINC; //find matching keycode in keytbl if (key != 0xff) { for (butnum=0; butnum < maxkeys; butnum++) { if (keytbl[butnum] == key) break; } if (butnum == maxkeys) butnum=0; else butnum++; //adjust by one to make range 1-16 } else butnum=0; } //================================== // clear screen void clear(void) { //clear screen TIMSK = 0; for (k=0;k<1600;k++) screen[k] = 0; TIMSK = 0x10; } //================================== // get direction of frog void get_frog_dir(void) { keypad(); //state no_push if (frog_state == no_push) { if (butnum != 0) { frog_state = maybe_push; maybe = butnum; keypad(); } else { frog_state = no_push; keypad(); } } //state maybe_push if (frog_state == maybe_push) { if (butnum == maybe) { frog_state = push; keypad(); } else { frog_state = no_push; keypad(); } } //state push if (frog_state == push) { if (butnum == up) { frog_state = push; flag_up = 1; TCCR2 = 0x1f; OCR2 = 30; keypad(); } else if (butnum == left) { frog_state = push; flag_left = 1; TCCR2 = 0x1f; OCR2 = 30; keypad(); } else if (butnum == down) { frog_state = push; flag_down = 1; TCCR2 = 0x1f; OCR2 = 30; keypad(); } else if (butnum == right) { frog_state = push; flag_right = 1; TCCR2 = 0x1f; OCR2 = 30; keypad(); } else frog_state = release; } //state release if (frog_state == release) { if (butnum == up) { frog_state = push; keypad(); } else if (butnum == left) { frog_state = push; keypad(); } else if (butnum == down) { frog_state = push; keypad(); } else if (butnum == right) { frog_state = push; keypad(); } else if (flag_up == 1) { frog_state = no_push; TCCR2 = 0x00; //check boundary if ((frog_y >= 20) || (frog_x == 11) || (frog_x == 53) || (frog_x == 101)) { //erase old frog video_ers(frog_x,frog_y,frog); //move frog up frog_y = frog_y - 11; video_puts(frog_x,frog_y,frog); } flag_up = 0; keypad(); } else if (flag_left == 1) { frog_state = no_push; TCCR2 = 0x00; //check boundary if (frog_x >= 5) { //erase old frog video_ers(frog_x,frog_y,frog); //move frog left frog_x = frog_x - 3; video_puts(frog_x,frog_y,frog); } flag_left = 0; keypad(); } else if (flag_down == 1) { frog_state = no_push; TCCR2 = 0x00; //check boundary if (frog_y <= 85) { //erase old frog video_ers(frog_x,frog_y,frog); //move frog down frog_y = frog_y + 11; video_puts(frog_x,frog_y,frog); } flag_down = 0; keypad(); } else if (flag_right == 1) { frog_state = no_push; TCCR2 = 0x00; //check boundary if (frog_x <= 120) { //erase old frog video_ers(frog_x,frog_y,frog); //move frog right frog_x = frog_x + 3; video_puts(frog_x,frog_y,frog); } flag_right = 0; keypad(); } else { frog_state = no_push; keypad(); } } } //================================== // get button A press void get_reset(void) { keypad(); //state Rno_push if (reset_state == Rno_push) { if (butnum != 0) { reset_state = Rmaybe_push; Rmaybe = butnum; keypad(); } else { reset_state = Rno_push; keypad(); } } //state Rmaybe_push if (reset_state == Rmaybe_push) { if (butnum == Rmaybe) { reset_state = Rpush; keypad(); } else { reset_state = Rno_push; keypad(); } } //state Rpush if (reset_state == Rpush) { if (butnum == begin) { reset_state = Rpush; flag_begin = 1; keypad(); } else reset_state = Rrelease; } //state Rrelease if (reset_state == Rrelease) { if (butnum == begin) { reset_state = Rpush; keypad(); } else if (flag_begin == 1) { reset_state = Rno_push; flag_begin = 0; flag_reset = 1; count_level = 0; keypad(); } else { reset_state = Rno_push; keypad(); } } } //================================== // get button B press void get_pause(void) { keypad(); //state Pno_push if (pause_state == Pno_push) { if (butnum != 0) { pause_state = Pmaybe_push; Pmaybe = butnum; keypad(); } else { pause_state = Pno_push; keypad(); } } //state Pmaybe_push if (pause_state == Pmaybe_push) { if (butnum == Pmaybe) { pause_state = Ppush; keypad(); } else { pause_state = Pno_push; keypad(); } } //state Ppush if (pause_state == Ppush) { if (butnum == pause) { pause_state = Ppush; flag_p = 1; keypad(); } else pause_state = Prelease; } //state Prelease if (pause_state == Prelease) { if (butnum == pause) { pause_state = Ppush; keypad(); } else if (flag_p == 1) { pause_state = Pno_push; flag_p = 0; flag_pause = 1; keypad(); } else { pause_state = Pno_push; keypad(); } } } //================================== // draw car void draw_car(char x, char y, char L, char c) { //body video_line(x,y,x+L,y,c); video_line(x,y+4,x+L,y+4,c); video_line(x,y,x,y+4,c); video_line(x+L,y,x+L,y+4,c); //wheels video_pt(x+2,y-1,c); video_pt(x+L-2,y-1,c); video_pt(x+2,y+5,c); video_pt(x+L-2,y+5,c); } //================================== // draw log void draw_log(char x, char y, char L, char c) { video_line(x,y,x+L,y,c); video_line(x,y+8,x+L,y+8,c); video_line(x,y,x,y+8,c); video_line(x+L,y,x+L,y+8,c); } //================================== // end game void end_game(void) { frog_count++; life = 3 - frog_count; //erase frog video_ers(frog_x,frog_y,frog); if ((frog_count < 3) && (flag_frog == 1)) { flag_notehit = 1; flag_froginit = 1; flag_displife = 1; frog_x = 2; frog_y = 91; time = 61 - (int)count_level*10; } else { flag_gameover = 1; } } //================================== // detect win void detect_win(void) { //lily pad #1 if (frog_x == 11 && frog_y == 3) { frog_win_count++; score = score + time*10 + (int)frog_win_count*(int)count_level*100; flag_score = 1; //set score flag flag_froginit = 1; //redraw frog at init pos flag_notewin = 1; //play win melody if (score > highscore) highscore = score; } //lily pad #2 else if (frog_x == 53 && frog_y == 3) { frog_win_count++; score = score + time*10 + (int)frog_win_count*(int)count_level*100; flag_score = 1; //set score flag flag_froginit = 1; //redraw frog at init pos flag_notewin = 1; //play win melody if (score > highscore) highscore = score; } //lily pad #3 else if (frog_x == 101 && frog_y == 3) { frog_win_count++; score = score + time*10 + (int)frog_win_count*(int)count_level*100; flag_score = 1; //set score flag flag_froginit = 1; //redraw frog at init pos flag_notewin = 1; //play win melody if (score > highscore) highscore = score; } //got three frogs home if ((frog_win_count == 3) && (count_level < 3)) flag_nextlevel = 1; } //================================== // move cars and logs on screen void moveCL(void) { if (state == 1) { //move cars in lane 1, i.e. top lane if (++cv1 > 6) { cv1=0; draw_car(carpos_ln1[0],cary[0],carlength[0],0); draw_car(carpos_ln1[1],cary[0],carlength[0],0); draw_car(carpos_ln1[2],cary[0],carlength[0],0); draw_car(carpos_ln1[3],cary[0],carlength[0],0); carpos_ln1[0] = carpos_ln1[0] - 1; carpos_ln1[1] = carpos_ln1[1] - 1; carpos_ln1[2] = carpos_ln1[2] - 1; carpos_ln1[3] = carpos_ln1[3] - 1; //if car not at a boundary, move left //else, hit boundary, re-position car if (carpos_ln1[3] >= 1) draw_car(carpos_ln1[3],cary[0],carlength[0],1); else { carpos_ln1[3] = 116; draw_car(carpos_ln1[3],cary[0],carlength[0],1); } if (carpos_ln1[2] >= 1) draw_car(carpos_ln1[2],cary[0],carlength[0],1); else { carpos_ln1[2] = 116; draw_car(carpos_ln1[2],cary[0],carlength[0],1); } if (carpos_ln1[1] >= 1) draw_car(carpos_ln1[1],cary[0],carlength[0],1); else { carpos_ln1[1] = 116; draw_car(carpos_ln1[1],cary[0],carlength[0],1); } if (carpos_ln1[0] >= 1) draw_car(carpos_ln1[0],cary[0],carlength[0],1); else { carpos_ln1[0] = 116; draw_car(carpos_ln1[0],cary[0],carlength[0],1); } } state++; } else if (state == 2) { //move cars in lane 2, i.e. middle lane if (++cv2 > 1) { cv2=0; draw_car(carpos_ln2[0],cary[1],carlength[1],0); draw_car(carpos_ln2[1],cary[1],carlength[1],0); carpos_ln2[0] = carpos_ln2[0] - 1; carpos_ln2[1] = carpos_ln2[1] - 1; //if car not at a boundary, move left //else, hit boundary, re-position car if (carpos_ln2[1] >= 1) draw_car(carpos_ln2[1],cary[1],carlength[1],1); else if (carpos_ln2[1] < 1) { carpos_ln2[1] = 101; draw_car(carpos_ln2[1],cary[1],carlength[1],1); } if (carpos_ln2[0] >= 1) draw_car(carpos_ln2[0],cary[1],carlength[1],1); else { carpos_ln2[0] = 101; draw_car(carpos_ln2[0],cary[1],carlength[1],1); } } state++; } else if (state == 3) { //move cars in lane 3, i.e. bottom lane if (++cv3 > 4) { cv3=0; draw_car(carpos_ln3[0],cary[2],carlength[2],0); draw_car(carpos_ln3[1],cary[2],carlength[2],0); draw_car(carpos_ln3[2],cary[2],carlength[2],0); carpos_ln3[0] = carpos_ln3[0] - 1; carpos_ln3[1] = carpos_ln3[1] - 1; carpos_ln3[2] = carpos_ln3[2] - 1; //if car not at a boundary, move left //else, hit boundary, re-position car if (carpos_ln3[2] >= 1) draw_car(carpos_ln3[2],cary[2],carlength[2],1); else { carpos_ln3[2] = 111; draw_car(carpos_ln3[2],cary[2],carlength[2],1); } if (carpos_ln3[1] >= 1) draw_car(carpos_ln3[1],cary[2],carlength[2],1); else { carpos_ln3[1] = 111; draw_car(carpos_ln3[1],cary[2],carlength[2],1); } if (carpos_ln3[0] >= 1) draw_car(carpos_ln3[0],cary[2],carlength[2],1); else { carpos_ln3[0] = 111; draw_car(carpos_ln3[0],cary[2],carlength[2],1); } } state++; } else if (state == 4) { //move logs in lane 1, i.e. top lane if (++Lv1 > 6) { Lv1=0; draw_log(logpos_ln1[0],logy[0],loglength[0],0); draw_log(logpos_ln1[1],logy[0],loglength[0],0); draw_log(logpos_ln1[2],logy[0],loglength[0],0); draw_log(logpos_ln1[3],logy[0],loglength[0],0); logpos_ln1[0] = logpos_ln1[0] - 1; logpos_ln1[1] = logpos_ln1[1] - 1; logpos_ln1[2] = logpos_ln1[2] - 1; logpos_ln1[3] = logpos_ln1[3] - 1; //if log not at a boundary, move left //else, hit boundary, re-position log if (logpos_ln1[3] >= 1) draw_log(logpos_ln1[3],logy[0],loglength[0],1); else { logpos_ln1[3] = 116; draw_log(logpos_ln1[3],logy[0],loglength[0],1); } if (logpos_ln1[2] >= 1) draw_log(logpos_ln1[2],logy[0],loglength[0],1); else { logpos_ln1[2] = 116; draw_log(logpos_ln1[2],logy[0],loglength[0],1); } if (logpos_ln1[1] >= 1) draw_log(logpos_ln1[1],logy[0],loglength[0],1); else { logpos_ln1[1] = 116; draw_log(logpos_ln1[1],logy[0],loglength[0],1); } if (logpos_ln1[0] >= 1) draw_log(logpos_ln1[0],logy[0],loglength[0],1); else { logpos_ln1[0] = 116; draw_log(logpos_ln1[0],logy[0],loglength[0],1); } } state++; } else if (state == 5) { //move logs in lane 2, i.e. middle lane if (++Lv2 > 1) { Lv2=0; draw_log(logpos_ln2[0],logy[1],loglength[1],0); draw_log(logpos_ln2[1],logy[1],loglength[1],0); logpos_ln2[0] = logpos_ln2[0] - 1; logpos_ln2[1] = logpos_ln2[1] - 1; //if log not at a boundary, move left //else, hit boundary, re-position log if (logpos_ln2[1] >= 1) draw_log(logpos_ln2[1],logy[1],loglength[1],1); else if (logpos_ln2[1] < 1) { logpos_ln2[1] = 101; draw_log(logpos_ln2[1],logy[1],loglength[1],1); } if (logpos_ln2[0] >= 1) draw_log(logpos_ln2[0],logy[1],loglength[1],1); else { logpos_ln2[0] = 101; draw_log(logpos_ln2[0],logy[1],loglength[1],1); } } state++; } else if (state == 6) { //move logs in lane 3, i.e. bottom lane if (++Lv3 > 4) { Lv3=0; draw_log(logpos_ln3[0],logy[2],loglength[2],0); draw_log(logpos_ln3[1],logy[2],loglength[2],0); draw_log(logpos_ln3[2],logy[2],loglength[2],0); logpos_ln3[0] = logpos_ln3[0] - 1; logpos_ln3[1] = logpos_ln3[1] - 1; logpos_ln3[2] = logpos_ln3[2] - 1; //if log not at a boundary, move left //else, hit boundary, re-position log if (logpos_ln3[2] >= 1) draw_log(logpos_ln3[2],logy[2],loglength[2],1); else { logpos_ln3[2] = 111; draw_log(logpos_ln3[2],logy[2],loglength[2],1); } if (logpos_ln3[1] >= 1) draw_log(logpos_ln3[1],logy[2],loglength[2],1); else { logpos_ln3[1] = 111; draw_log(logpos_ln3[1],logy[2],loglength[2],1); } if (logpos_ln3[0] >= 1) draw_log(logpos_ln3[0],logy[2],loglength[2],1); else { logpos_ln3[0] = 111; draw_log(logpos_ln3[0],logy[2],loglength[2],1); } } state = 1; } } //================================== // detect car collisions void detect_cars(void) { //lane 1 for (j=0; j <= carlength[0]; j++) { //right-side of frog if ((frog_x+4 == carpos_ln1[0]+j || frog_x+4 == carpos_ln1[1]+j || frog_x+4 == carpos_ln1[2]+j || frog_x+4 == carpos_ln1[3]+j) && frog_y+1 == cary[0]) { end_game(); } //left-side of frog else if ((frog_x == carpos_ln1[0]+j || frog_x == carpos_ln1[1]+j || frog_x == carpos_ln1[2]+j || frog_x == carpos_ln1[3]+j) && frog_y+5 == cary[0]+4) { end_game(); } } //lane 2 for (j=0; j <= carlength[1]; j++) { //right-side of frog if ((frog_x+4 == carpos_ln2[0]+j || frog_x+4 == carpos_ln2[1]+j) && frog_y+1 == cary[1]) { end_game(); } //left-side of frog else if ((frog_x == carpos_ln2[0]+j || frog_x == carpos_ln2[1]+j) && frog_y+5 == cary[1]+4) { end_game(); } } //lane 3 for (j=0; j <= carlength[2]; j++) { //right-side of frog if ((frog_x+4 == carpos_ln3[0]+j || frog_x+4 == carpos_ln3[1]+j || frog_x+4 == carpos_ln3[2]+j) && frog_y+1 == cary[2]) { end_game(); } //left-side of frog else if ((frog_x == carpos_ln3[0]+j || frog_x == carpos_ln3[1]+j || frog_x == carpos_ln3[2]+j) && frog_y+5 == cary[2]+4) { end_game(); } } } //================================== // detect log hopping void detect_logs(void) { //lane 1 for (j=0; j <= loglength[0]-4; j++) { if (frog_x == logpos_ln1[0]+j && frog_y == logy[0]+1) { flag_log = 1; } else if (frog_x == logpos_ln1[1]+j && frog_y == logy[0]+1) { flag_log = 1; } else if (frog_x == logpos_ln1[2]+j && frog_y == logy[0]+1) { flag_log = 1; } else if (frog_x == logpos_ln1[3]+j && frog_y == logy[0]+1) { flag_log = 1; } } //lane 2 for (j=0; j <= loglength[1]-4; j++) { if (frog_x == logpos_ln2[0]+j && frog_y == logy[1]+1) { flag_log = 1; } else if (frog_x == logpos_ln2[1]+j && frog_y == logy[1]+1) { flag_log = 1; } } //lane 3 for (j=0; j <= loglength[2]-4; j++) { if (frog_x == logpos_ln3[0]+j && frog_y == logy[2]+1) { flag_log = 1; } else if (frog_x == logpos_ln3[1]+j && frog_y == logy[2]+1) { flag_log = 1; } else if (frog_x == logpos_ln3[2]+j && frog_y == logy[2]+1) { flag_log = 1; } } //frog not on any log, end game if ((flag_log == 0) && (frog_y > 11) && (frog_y < 45)) { end_game(); } flag_log = 0; } //================================== // begin game void begin_game(void) { state = 1; //moveCL() flag_log = 0; //initial position of frog on screen frog_x = 2; frog_y = 91; video_puts(frog_x,frog_y,frog); flag_frog = 1; frog_count = 0; //software timer t = 0; time = 61 - (int)count_level*10; //game time display //display score sprintf(sc,"%04d",score); video_putsmalls(64,4,sc); //display life life = 3; sprintf(lf,"%01d",life); video_putsmalls(4,4,lf); //car velocities cv1 = 0; cv2 = 0; cv3 = 0; //log velocities Lv1 = 0; Lv2 = 0; Lv3 = 0; //detect win frog_win_count = 0; flag_nextlevel = 0; } //================================== // draw game void redraw(void) { if (state_redraw == 1) { video_line(0,1,126,1,1); video_line(0,11,126,11,1); state_redraw++; } else if (state_redraw == 2) { video_line(0,45,126,45,1); video_line(0,56,126,56,1); state_redraw++; } else if (state_redraw == 3) { video_line(0,89,126,89,1); video_line(0,99,126,99,1); state_redraw++; } else if (state_redraw == 4) { //lily pad #1 video_line(9,1,9,11,1); video_line(17,1,17,11,1); video_line(10,11,16,11,0); //lily pad #2 video_line(51,1,51,11,1); video_line(59,1,59,11,1); video_line(52,11,58,11,0); //lily pad #3 video_line(99,1,99,11,1); video_line(107,1,107,11,1); video_line(100,11,106,11,0); state_redraw++; } else if (state_redraw == 5) { //cars in lane 1 initcar[0] = 4; cary[0] = 59; carlength[0] = 10; carpos_ln1[0] = initcar[0]; carpos_ln1[1] = initcar[0] + 28; carpos_ln1[2] = initcar[0] + 28*2; carpos_ln1[3] = initcar[0] + 28*3; draw_car(carpos_ln1[0],cary[0],carlength[0],1); draw_car(carpos_ln1[1],cary[0],carlength[0],1); draw_car(carpos_ln1[2],cary[0],carlength[0],1); draw_car(carpos_ln1[3],cary[0],carlength[0],1); state_redraw++; } else if (state_redraw == 6) { //cars in lane 2 initcar[1] = 15; cary[1] = 70; carlength[1] = 25; carpos_ln2[0] = initcar[1]; carpos_ln2[1] = initcar[1] + 51; draw_car(carpos_ln2[0],cary[1],carlength[1],1); draw_car(carpos_ln2[1],cary[1],carlength[1],1); state_redraw++; } else if (state_redraw == 7) { //cars in lane 3 initcar[2] = 20; cary[2] = 81; carlength[2] = 15; carpos_ln3[0] = initcar[2]; carpos_ln3[1] = initcar[2] + 36; carpos_ln3[2] = initcar[2] + 36*2; draw_car(carpos_ln3[0],cary[2],carlength[2],1); draw_car(carpos_ln3[1],cary[2],carlength[2],1); draw_car(carpos_ln3[2],cary[2],carlength[2],1); state_redraw++; } else if (state_redraw == 8) { //logs in lane 2 initlog[1] = 15; logy[1] = 24; loglength[1] = 25; logpos_ln2[0] = initlog[1]; logpos_ln2[1] = initlog[1] + 51; draw_log(logpos_ln2[0],logy[1],loglength[1],1); draw_log(logpos_ln2[1],logy[1],loglength[1],1); //logs in lane 3 initlog[2] = 20; logy[2] = 35; loglength[2] = 15; logpos_ln3[0] = initlog[2]; logpos_ln3[1] = initlog[2] + 36; logpos_ln3[2] = initlog[2] + 36*2; draw_log(logpos_ln3[0],logy[2],loglength[2],1); draw_log(logpos_ln3[1],logy[2],loglength[2],1); draw_log(logpos_ln3[2],logy[2],loglength[2],1); state_redraw++; } else if (state_redraw == 9) { //logs in lane 1 initlog[0] = 4; logy[0] = 13; loglength[0] = 10; logpos_ln1[0] = initlog[0]; logpos_ln1[1] = initlog[0] + 28; logpos_ln1[2] = initlog[0] + 28*2; logpos_ln1[3] = initlog[0] + 28*3; draw_log(logpos_ln1[0],logy[0],loglength[0],1); draw_log(logpos_ln1[1],logy[0],loglength[0],1); draw_log(logpos_ln1[2],logy[0],loglength[0],1); draw_log(logpos_ln1[3],logy[0],loglength[0],1); begin_game(); state_redraw = 1; flag_redraw = 0; } } //================================== // title display void title(void) { flag_getpause = 1; flag_frog = 0; time = 1; video_puts(40,20,frogger); video_putsmalls(48,30,press); video_putsmalls(48,40,A); video_putsmalls(48,50,to); video_putsmalls(48,60,start); } //================================== // set up the ports and timers void main(void) { //initialize timer 1 to generate sync OCR1A = lineTime; //One NTSC line TCCR1B = 9; //full speed; clear-on-match TCCR1A = 0x00; //turn off pwm and oc lines TIMSK = 0x10; //enable interrupt T1 cmp TCCR2 = 0x00; TCNT2 = 0; //initialize ports //D.5 is sync:1000 ohm + diode to 75 ohm resistor //D.6 is video:330 ohm + diode to 75 ohm resistor DDRD = 0xf0; //video out and switches //initialize leds DDRB = 0xff; PORTB = 0xff; //initialize timer 0 to 1/uSec TCCR0 = 2; //initialize synch constants LineCount = 1; syncON = 0b00000000; syncOFF = 0b00100000; //initialize FROGGER state_redraw = 1; frog_state = no_push; //get_frog_dir() reset_state = Rno_push; //get_reset() pause_state = Pno_push; //get_pause() title(); highscore = 0; //enable sleep mode MCUCR = 0b10000000; #asm ("sei"); //The following loop executes once/video line during lines //1-230, then does all of the frame-end processing while(1) { //stall here until next line starts //sleep enable; mode=idle //use sleep to make entry into sync ISR uniform time #asm ("sleep"); //The following code executes during the vertical blanking //Code here can be as long as //a total of 60 lines x 63.5 uSec/line x 8 cycles/uSec if (LineCount==231) { get_reset(); //display game time if (++t>59 && time>0 && flag_frog == 1) { t=0; time = time - 1; sprintf(ts,"%02d",time); video_putsmalls(116,4,ts); } else if (time == 0) { end_game(); } //get pause flag if (flag_getpause == 1) get_pause(); //play the game if (flag_frog == 1) { get_frog_dir(); //moving frog moveCL(); //moving cars and logs detect_cars(); //detect car collisions detect_logs(); //detect log hopping detect_win(); //detect win } //draw game if (flag_redraw == 1) { redraw(); } //restart game if (flag_reset == 1) { flag_frog = 0; flag_getpause = 1; score = 0; count_gameover = 0; clear(); if (++L > 50) { L = 0; flag_redraw = 1; flag_reset = 0; } } //pause game if (flag_pause == 1) { flag_pause = 0; count_pause++; if (count_pause == 1) //pause game { flag_frog = 0; video_putsmalls(20,4,paused); } else if (count_pause == 2) //resume game { count_pause = 0; flag_frog = 1; video_smallchar(20,4,12); video_smallchar(24,4,12); video_smallchar(28,4,12); video_smallchar(32,4,12); video_smallchar(36,4,12); video_smallchar(40,4,12); } } //play win melody if (flag_notewin == 1) { if (++note > 1) { TCCR2 = 0x1f; OCR2 = 27; } if (++note > 20) OCR2 = 24; if (++note > 40) OCR2 = 20; if (++note > 60) { flag_notewin = 0; note = 0; TCCR2 = 0x00; } } //reached next level if (flag_nextlevel == 1) { frog_win_count = 0; //stop everything flag_frog = 0; flag_score = 0; flag_froginit = 0; clear(); if ((++L > 13) && (count_level < 2)) { //NEXT LEVEL video_putsmalls(32,48,next); video_putsmalls(64,48,level); } //next level melody if (++note > 1) { TCCR2 = 0x1f; OCR2 = 30; } if (++note > 1) OCR2 = 27; if (++note > 30) OCR2 = 24; if (++note > 60) OCR2 = 23; if (++note > 90) OCR2 = 24; if (++note > 120) OCR2 = 27; if (++note > 150) OCR2 = 24; if (++note > 180) OCR2 = 23; if (++note > 210) OCR2 = 20; if (++note > 240) OCR2 = 18; if (++note > 270) OCR2 = 16; if (++note > 300) OCR2 = 15; if (++note > 330) TCCR2 = 0x00; if (++note > 900) { note = 0; L = 0; count_level++; flag_redraw = 1; flag_nextlevel = 0; clear(); } } //redraw frog at init pos if (flag_froginit == 1) { flag_frog = 0; frog_x = 2; frog_y = 91; if (++L > 13) { L = 0; flag_froginit = 0; flag_frog = 1; //initial position of frog on screen video_puts(frog_x,frog_y,frog); } } //display lives left if (flag_displife == 1) { if (++L > 13) { L = 0; flag_displife = 0; //display lives sprintf(lf,"%01d", life); video_putsmalls(4,4,lf); } } //score if (flag_score == 1) { if (++L > 10) { L = 0; flag_score = 0; //display score sprintf(sc,"%04d",score); video_putsmalls(64,4,sc); } } //hit melody if (flag_notehit == 1) { if (++note > 1) { TCCR2 = 0x1f; OCR2 = 64; } if (++note > 15) OCR2 = 71; if (++note > 65) { flag_notehit = 0; note = 0; TCCR2 = 0x00; } } //game over if (flag_gameover == 1 && count_gameover < 1) { flag_frog = 0; if (++L > 5) { video_puts(frog_x,frog_y,deadfrog); //dead frog } if (++L > 18) { video_putsmalls(32,48,game); //GAME } if (++L > 23) { //flag_gameover = 0; video_putsmalls(64,48,over); //OVER } if (++L > 37) { //display life life = 0; sprintf(lf,"%01d",life); video_putsmalls(4,4,lf); } if (++L > 42) { video_putsmalls(20,91,high); //HIGH } if (++L > 49) { video_putsmalls(48,91,points); //SCORE } if (++L > 56) { //display high score sprintf(hs,"%04d",highscore); video_putsmalls(80,91,hs); } //frog death song if (++note > 50) { //note 1 TCCR2 = 0x1f; OCR2 = 60; } if (++note > 650) { TCCR2 = 0x00; } if (++note > 700) { //note 2 TCCR2 = 0x1f; OCR2 = 60; } if (++note > 1000) { TCCR2 = 0x00; } if (++note > 1050) { //note 3 TCCR2 = 0x1f; OCR2 = 60; } if (++note > 1150) { TCCR2 = 0x00; } if (++note > 1200) { //note 4 TCCR2 = 0x1f; OCR2 = 60; } if (++note > 1600) { TCCR2 = 0x00; } if (++note > 1650) { //note 5 TCCR2 = 0x1f; OCR2 = 50; } if (++note > 2050) { TCCR2 = 0x00; } if (++note > 2100) { //note 6 TCCR2 = 0x1f; OCR2 = 54; } if (++note > 2300) { TCCR2 = 0x00; } if (++note > 2350) { //note 7 TCCR2 = 0x1f; OCR2 = 56; } if (++note > 2650) { TCCR2 = 0x00; } if (++note > 2700) { //note 8 TCCR2 = 0x1f; OCR2 = 60; } if (++note > 2900) { TCCR2 = 0x00; } if (++note > 2950) { //note 9 TCCR2 = 0x1f; OCR2 = 60; } if (++note > 3400) { TCCR2 = 0x00; } if (++note > 3450) { //note 10 TCCR2 = 0x1f; OCR2 = 64; } if (++note > 3700) { TCCR2 = 0x00; } if (++note > 3750) { //note 11 TCCR2 = 0x1f; OCR2 = 60; } if (++note > 4500) { flag_gameover = 0; flag_getpause = 0; count_gameover++; note = 0; TCCR2 = 0x00; } } //won FROGGER!! if (count_level == 3) { //stop everything flag_frog = 0; if (++L>13) { //YOU WIN video_putsmalls(32,48,you); video_putsmalls(64,48,win); } if (++L > 21) { video_putsmalls(20,91,high); //HIGH } if (++L > 33) { video_putsmalls(48,91,points); //SCORE } if (++L > 42) { //display high score sprintf(hs,"%04d",highscore); video_putsmalls(80,91,hs); } //fanfare if (++note > 50) { //note 1 TCCR2 = 0x1f; OCR2 = 28; } if (++note > 500) { TCCR2 = 0x00; } if (++note > 550) { //note 2 TCCR2 = 0x1f; OCR2 = 23; } if (++note > 950) { TCCR2 = 0x00; } if (++note > 1000) { //note 3 TCCR2 = 0x1f; OCR2 = 23; } if (++note > 1200) { TCCR2 = 0x00; } if (++note > 1250) { //note 4 TCCR2 = 0x1f; OCR2 = 36; } if (++note > 1600) { TCCR2 = 0x00; } if (++note > 1650) { //note 5 TCCR2 = 0x1f; OCR2 = 32; } if (++note > 2100) { TCCR2 = 0x00; } if (++note > 2150) { //note 6 TCCR2 = 0x1f; OCR2 = 28; } if (++note > 2500) { TCCR2 = 0x00; } if (++note > 2550) { //note 7 TCCR2 = 0x1f; OCR2 = 36; } if (++note > 3000) { note = 0; count_level = 4; TCCR2 = 0x00; } } }//line 231 }//while }//main