(int *)VRAM_BASEADDR + Y * 80 + Xのアドレスに書き込みます。
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#include <xparameters.h> #define VRAM_BASEADDR (int *)XPAR_VGA_0_MEM0_BASEADDR #define XSIZ 60 #define YSIZ 40 char what( int , int ); void v_puts( int , int , char * ); void v_putc( int , int , char ); static char data1[XSIZ][YSIZ] = { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, { 0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } }; static char data2[XSIZ][YSIZ]; int main() { int i,j,num; static char *banner = "Microblaze Softcore Processor Video System"; v_puts( 0, 0, banner ); for( j=0; j<16; j++ ){ for( i=0; i<16 ; i++ ) { v_putc( i+64, j+9, 16*j+i ); } } for( i=0; i<XSIZ; i++ ){ for( j=0 ; j<YSIZ ; j++ ) { data2[i][j] = 0; } } while(1) { for( i=0; i<XSIZ; i++ ){ for( j=0 ; j<YSIZ ; j++ ) { num=0; if( what(i-1,j-1) ) num++; if( what(i-1,j ) ) num++; if( what(i-1,j+1) ) num++; if( what(i ,j-1) ) num++; if( what(i ,j+1) ) num++; if( what(i+1,j-1) ) num++; if( what(i+1,j ) ) num++; if( what(i+1,j+1) ) num++; if( what(i,j) ) { if( num == 2 || num == 3 ) data2[i][j]=1; else data2[i][j]=0; } else if( num == 3 ) data2[i][j]=1; } } for( i=0; i<XSIZ; i++ ){ for( j=0 ; j<YSIZ ; j++ ) { data1[i][j] = data2[i][j]; v_putc( XSIZ-i-1, j+5, data2[i][j] ? '@' : ' ' ); data2[i][j] = 0; } } for( i=0; i<256; i++ ){ for( j=0 ; j<2000 ; j++ ) { v_putc( 79, 0, i ); } } } } char what( int i, int j) { if( i < 0 ) return 0; if( j < 0 ) return 0; if( i == XSIZ ) return 0; if( j == YSIZ ) return 0; return data1[i][j]; } void v_puts( int x, int y, char *str ) { while( *str != '\0' ) { v_putc( x++, y, *str++ ); } } void v_putc( int x, int y, char ch ) { int *addr; addr = VRAM_BASEADDR + (y*80 + x); *addr = ch; } |
data1[XSIZ][YSIZ] : 生物の初期データ 生物が居るところを 1, 居ない所を 0 としている。 初期データとして、ペンタデカスロン (pentadecathlon) および グライダーガン (gliderguns) が配置されてある。 タイトル表示表示 画面上にすべての文字セットを表示する data2 配列の初期化 data1 配列の各要素毎に、周りの8マスの生物の状態を調べて生物の個数をカウ ントする。 中心に生物がいるとき、まわりに2〜3つの生物が居れば、中心 の生物は生き残る。 中心に生物がいないとき、まわりに3つの生物が居れ ば、中心に生物が誕生する。 次世代の状態を data2 配列に作成する。 data2 配列内を data1 配列にコピーするとともに、 画面上に生物の状態を配置する。 256×2000回の時間待ちループ。右上にキャラクタを表示しながらループする。 what( i, j ) : data1 配列内の data1[i][j] の生物の状態を返す関数 v_puts( x, y, string ) : (x,y)座標から string 文字列を画面に表示する。 v_putc( x, y, ch ) : (x,y)座標に ch 文字列を表示する。 |
**** Build of configuration Debug for project life **** make all Building file: ../life.c Invoking: MicroBlaze gcc compiler mb-gcc -Wall -O0 -g3 -c -fmessage-length=0 -Wl,--no-relax -I../../life_bsp_0/microblaze_0/include -mxl-barrel-shift -mxl-pattern-compare -mcpu=v8.40.a -mno-xl-soft-mul -MMD -MP -MF"life.d" -MT"life.d" -o"life.o" "../life.c" Finished building: ../life.c ' ' Building target: life.elf Invoking: MicroBlaze gcc linker mb-gcc -Wl,--no-relax -Wl,-T -Wl,../src/lscript.ld -L../../life_bsp_0/microblaze_0/lib -mxl-barrel-shift -mxl-pattern-compare -mcpu=v8.40.a -mno-xl-soft-mul -o"life.elf" ./life.o -Wl,--start-group,-lxil,-lgcc,-lc,--end-group Finished building target: life.elf ' ' Invoking: MicroBlaze Print Size mb-size life.elf |tee "life.elf.size" text data bss dec hex filename 3526 2696 4488 10710 29d6 life.elf Finished building: life.elf.size ' ' Invoking: Xilinx ELF Check elfcheck life.elf -hw ../../life_EDK14.2_PLB_hw_platform/system.xml -pe microblaze_0 |tee "life.elf.elfcheck" elfcheck Xilinx EDK 14.2 Build EDK_P.28xd Copyright (c) 1995-2012 Xilinx, Inc. All rights reserved. Command Line: elfcheck -hw ../../life_EDK14.2_PLB_hw_platform/system.xml -pe microblaze_0 life.elf ELF file : life.elf elfcheck passed. Finished building: life.elf.elfcheck ' '