aiibot: a2_4ever

80 column mode

as always turns up bugs in my tokenizer
This commit is contained in:
Vince Weaver 2020-10-23 16:11:15 -04:00
parent 20b33ae880
commit bf7202c441
7 changed files with 305 additions and 5 deletions

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@ -9,7 +9,7 @@ appleiibot.dsk: E2.BAS FLAME.BAS FLAME2.BAS \
CIRCLES.BAS AUTUMN.BAS QKUMBA.BAS ASTEROID.BAS PERSON.BAS SHIP.BAS \
CONCERT.BAS NYAN.BAS RASTER.BAS RASTER2.BAS RASTER3.BAS LOTS.BAS LOAD \
RASTER4.BAS RASTER5.BAS PUMPKIN.BAS PUMPKIN_SMALL.BAS LADY.BAS \
A2.BAS FOURAM.BAS FLOPPY.BAS QR.BAS
A2.BAS FOURAM.BAS FLOPPY.BAS QR.BAS A2_4EVER.BAS
cp empty.dsk appleiibot.dsk
$(DOS33) -y appleiibot.dsk BSAVE -a 0x0300 LOAD
$(DOS33) -y appleiibot.dsk SAVE A E2.BAS
@ -36,6 +36,7 @@ appleiibot.dsk: E2.BAS FLAME.BAS FLAME2.BAS \
$(DOS33) -y appleiibot.dsk SAVE A FOURAM.BAS
$(DOS33) -y appleiibot.dsk SAVE A FLOPPY.BAS
$(DOS33) -y appleiibot.dsk SAVE A QR.BAS
$(DOS33) -y appleiibot.dsk SAVE A A2_4EVER.BAS
###
@ -194,6 +195,12 @@ A2.BAS: a2.bas
####
A2_4EVER.BAS: a2_4ever.bas
$(TOKENIZE) < a2_4ever.bas > A2_4EVER.BAS
####
FOURAM.BAS: fouram.bas
$(TOKENIZE) < fouram.bas > FOURAM.BAS

4
appleiibot/a2_4ever.bas Normal file
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@ -0,0 +1,4 @@
1REM______/X__ X_______N__[WO_/ # [& .<'^?^O_C_CC_[W=__.X.X.XN#W?W]_[N[N[N[NM_=W_O'N#G#GS!XP=X_Y[NGNGN\O[WO_? X@[@#. . ^__O[O[__________@_@__
2PR#3:FORY=0TO140:Z=PEEK(2054+Y)-32:FORI=0TO5:NORMAL:Q%=Z/2:IFQ%*2-ZTHENINVERSE
3Z=Q%:?" ";:NEXTI,Y
4?"F O R E V E R";

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@ -28,8 +28,10 @@ static int debug=0;
/* Starting at 0x80 */
char applesoft_tokens[][8]={
/* note applesoft ignores all spaces when parsing */
/* so OK that we have PR# instead of PR # here */
/* 80 */ "END","FOR","NEXT","DATA","INPUT","DEL","DIM","READ",
/* 88 */ "GR","TEXT","PR #","IN #","CALL","PLOT","HLIN","VLIN",
/* 88 */ "GR","TEXT","PR#","IN#","CALL","PLOT","HLIN","VLIN",
/* 90 */ "HGR2","HGR","HCOLOR=","HPLOT","DRAW","XDRAW","HTAB","HOME",
/* 98 */ "ROT=","SCALE=","SHLOAD","TRACE","NOTRACE","NORMAL","INVERSE","FLASH",
/* A0 */ "COLOR=","POP","VTAB ","HIMEM:","LOMEM:","ONERR","RESUME","RECALL",

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@ -3,7 +3,7 @@ include ../Makefile.inc
CFLAGS = -g -Wall -O2
all: text2gr png2gr png2gr_text png2rle png2lz4 png_to_40x48d png_to_40x96 \
png2sixbitmap
png2sixbitmap png2six80
###
@ -45,6 +45,14 @@ png2sixbitmap: png2sixbitmap.o loadpng.o
png2sixbitmap.o: png2sixbitmap.c loadpng.h
$(CC) $(CFLAGS) -c png2sixbitmap.c
###
png2six80: png2six80.o loadpng.o
$(CC) $(LFLAGS) -o png2six80 png2six80.o loadpng.o -lpng
png2six80.o: png2six80.c loadpng.h
$(CC) $(CFLAGS) -c png2six80.c
###
@ -85,8 +93,8 @@ png_to_40x96.o: png_to_40x96.c loadpng.h rle_common.h
###
install:
cp png2gr png2gr_text png2rle png2lz4 png_to_40x48d png_to_40x96 png2sixbitmap $(INSTALL_LOC)
cp png2gr png2gr_text png2rle png2lz4 png_to_40x48d png_to_40x96 png2sixbitmap png2six80 $(INSTALL_LOC)
clean:
rm -f *~ *.o png2gr png2gr_text png2rle png2lz4 png_to_40x48d png_to_40x96 png2sixbitmap
rm -f *~ *.o png2gr png2gr_text png2rle png2lz4 png_to_40x48d png_to_40x96 png2sixbitmap png2six80

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@ -275,3 +275,224 @@ int loadpng(char *filename, unsigned char **image_ptr, int *xsize, int *ysize,
}
/* for 80 column mode or double-lores */
int loadpng80(char *filename, unsigned char **image_ptr, int *xsize, int *ysize,
int png_type) {
int x,y,ystart,yadd,xadd;
int color;
FILE *infile;
int debug=0;
unsigned char *image,*out_ptr;
int width, height;
int a2_color;
png_byte bit_depth;
png_structp png_ptr;
png_infop info_ptr;
png_bytep *row_pointers;
png_byte color_type;
unsigned char header[8];
/* open file and test for it being a png */
infile = fopen(filename, "rb");
if (infile==NULL) {
fprintf(stderr,"Error! Could not open %s\n",filename);
return -1;
}
/* Check the header */
fread(header, 1, 8, infile);
if (png_sig_cmp(header, 0, 8)) {
fprintf(stderr,"Error! %s is not a PNG file\n",filename);
return -1;
}
/* initialize stuff */
png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png_ptr) {
fprintf(stderr,"Error create_read_struct\n");
exit(-1);
}
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
fprintf(stderr,"Error png_create_info_struct\n");
exit(-1);
}
png_init_io(png_ptr, infile);
png_set_sig_bytes(png_ptr, 8);
png_read_info(png_ptr, info_ptr);
width = png_get_image_width(png_ptr, info_ptr);
height = png_get_image_height(png_ptr, info_ptr);
if (width==80) {
*xsize=80;
xadd=1;
}
else {
fprintf(stderr,"Unsupported width %d\n",width);
return -1;
}
if (png_type==PNG_WHOLETHING) {
*ysize=height;
ystart=0;
yadd=2;
}
else if (png_type==PNG_ODDLINES) {
*ysize=height/2;
ystart=1;
yadd=4;
}
else if (png_type==PNG_EVENLINES) {
*ysize=height/2;
ystart=0;
yadd=4;
}
else {
fprintf(stderr,"Unknown PNG type\n");
return -1;
}
color_type = png_get_color_type(png_ptr, info_ptr);
bit_depth = png_get_bit_depth(png_ptr, info_ptr);
if (debug) {
printf("PNG: width=%d height=%d depth=%d\n",width,height,bit_depth);
if (color_type==PNG_COLOR_TYPE_RGB) printf("Type RGB\n");
else if (color_type==PNG_COLOR_TYPE_RGB_ALPHA) printf("Type RGBA\n");
else if (color_type==PNG_COLOR_TYPE_PALETTE) printf("Type palette\n");
printf("Generating output size %d x %d\n",*xsize,*ysize);
}
// number_of_passes = png_set_interlace_handling(png_ptr);
png_read_update_info(png_ptr, info_ptr);
row_pointers = (png_bytep*) malloc(sizeof(png_bytep) * height);
for (y=0; y<height; y++) {
/* FIXME: do we ever free these? */
row_pointers[y] = (png_byte*) malloc(png_get_rowbytes(png_ptr,info_ptr));
}
png_read_image(png_ptr, row_pointers);
fclose(infile);
/* FIXME: this should be 40x24 max??? */
image=calloc(width*height,sizeof(unsigned char));
if (image==NULL) {
fprintf(stderr,"Memory error!\n");
return -1;
}
out_ptr=image;
if (color_type==PNG_COLOR_TYPE_RGB_ALPHA) {
for(y=ystart;y<height;y+=yadd) {
for(x=0;x<width;x+=xadd) {
/* top color */
color= (row_pointers[y][x*xadd*4]<<16)+
(row_pointers[y][x*xadd*4+1]<<8)+
(row_pointers[y][x*xadd*4+2]);
if (debug) {
printf("%x ",color);
}
a2_color=convert_color(color,filename);
/* bottom color */
color= (row_pointers[y+1][x*xadd*4]<<16)+
(row_pointers[y+1][x*xadd*4+1]<<8)+
(row_pointers[y+1][x*xadd*4+2]);
if (debug) {
printf("%x ",color);
}
a2_color|=(convert_color(color,filename)<<4);
*out_ptr=a2_color;
out_ptr++;
}
if (debug) printf("\n");
}
}
else if (color_type==PNG_COLOR_TYPE_PALETTE) {
for(y=ystart;y<height;y+=yadd) {
for(x=0;x<width;x+=xadd) {
if (bit_depth==8) {
/* top color */
a2_color=row_pointers[y][x];
/* bottom color */
color=row_pointers[y+(yadd/2)][x];
a2_color|=(color<<4);
if (debug) {
printf("%x ",a2_color);
}
*out_ptr=a2_color;
out_ptr++;
}
else if (bit_depth==4) {
/* top color */
a2_color=row_pointers[y][x/2];
if (x%2==0) {
a2_color=(a2_color>>4);
}
a2_color&=0xf;
/* bottom color */
color=row_pointers[y+(yadd/2)][x/2];
if (x%2==0) {
color=(color>>4);
}
color&=0xf;
a2_color|=(color<<4);
if (debug) {
printf("%x ",a2_color);
}
*out_ptr=a2_color;
out_ptr++;
}
}
if (debug) printf("\n");
}
}
else {
printf("Unknown color type\n");
}
/* Stripe test image */
// for(x=0;x<40;x++) for(y=0;y<40;y++) image[(y*width)+x]=y%16;
/*
Addr Row /80 %40
$400 0 0 0 0
$428 28 16 0
$450 50 32 0
$480 80 2 1
$4A8 a8 18 1
$4D0 d0 34 1
$500 100 3 2
0,0 0,1 0,2....0,39 16,0 16,1 ....16,39 32,0..32,39, X X X X X X X X
*/
*image_ptr=image;
return 0;
}

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@ -4,4 +4,6 @@
int loadpng(char *filename, unsigned char **image_ptr, int *xsize, int *ysize,
int png_type);
int loadpng80(char *filename, unsigned char **image_ptr, int *xsize, int *ysize,
int png_type);

56
gr-utils/png2six80.c Normal file
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@ -0,0 +1,56 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "loadpng.h"
/* Converts a PNG to a shifted 6 bitmap */
/* for 80 column mode */
int main(int argc, char **argv) {
int row=0;
int col=0;
unsigned char ch;
unsigned char *image;
int xsize,ysize;
if (argc<2) {
fprintf(stderr,"Usage:\t%s INFILE\n\n",argv[0]);
exit(-1);
}
if (loadpng80(argv[1],&image,&xsize,&ysize,PNG_WHOLETHING)<0) {
fprintf(stderr,"Error loading png!\n");
exit(-1);
}
fprintf(stderr,"Loaded image %d by %d\n",xsize,ysize);
ch=0;
for(row=0;row<12;row++) {
for(col=0;col<80;col++) {
if (image[row*xsize+col]) {
ch|=1<<5;
}
if ((row*xsize+col)%6==5) {
printf("%c",ch+32);
ch=0;
}
else {
ch>>=1;
}
}
}
printf("\n");
return 0;
}