mirror of
https://github.com/Michaelangel007/c2t.git
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1722 lines
44 KiB
C
1722 lines
44 KiB
C
/*
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c2t, Code to Tape|Text, Version 0.995, Tue May 22 22:11:12 GMT 2012
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Parts copyright (c) 2011, 2012 All Rights Reserved, Egan Ford (egan@sense.net)
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THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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PARTICULAR PURPOSE.
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Built on work by:
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* Mike Willegal (http://www.willegal.net/appleii/toaiff.c)
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* Paul Bourke (http://paulbourke.net/dataformats/audio/, AIFF and WAVE output code)
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* Malcolm Slaney and Ken Turkowski (Integer to IEEE 80-bit float code)
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* Lance Leventhal and Winthrop Saville (6502 Assembly Language Subroutines, CRC 6502 code)
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* Piotr Fusik (http://atariarea.krap.pl/x-asm/inflate.html, inflate 6502 code)
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* Rich Geldreich (http://code.google.com/p/miniz/, deflate C code)
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* Mike Chambers (http://rubbermallet.org/fake6502.c, 6502 simulator)
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License:
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* Do what you like, remember to credit all sources when using.
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Description:
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This small utility will read Apple I/II binary and
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monitor text files and output Apple I or II AIFF and WAV
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audio files for use with the Apple I and II cassette
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interface.
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Features:
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* Apple I, II, II+, IIe support.
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* Big and little-endian machine support.
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o Little-endian tested.
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* AIFF and WAVE output (both tested).
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* Platforms tested:
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o 32-bit/64-bit x86 OS/X.
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o 32-bit/64-bit x86 Linux.
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o 32-bit x86 Windows/Cygwin.
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o 32-bit x86 Windows/MinGW.
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* Multi-segment tapes.
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Compile:
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OS/X:
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gcc -Wall -O -o c2t c2t.c
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Linux:
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gcc -Wall -O -o c2t c2t.c -lm
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Windows/Cygwin:
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gcc -Wall -O -o c2t c2t.c
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Windows/MinGW:
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PATH=C:\MinGW\bin;%PATH%
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gcc -Wall -O -static -o c2t c2t.c
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Notes:
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* Virtual ][ only supports .aif (or .cass)
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* Dropbox only supports .wav and .aiff (do not use .wave or .aif)
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Not yet done:
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* Test big-endian.
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* gnuindent
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* Redo malloc code in appendtone
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Thinking about:
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* Check for existing file and abort, or warn, or prompt.
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* -q quiet option for Makefiles
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* autoload support for basic programs
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Bugs:
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* Probably
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*/
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#if defined(_WIN32)
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#include "miniz_win32.h"
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#else
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#include "miniz.h"
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#endif
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#include <fake6502.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <unistd.h>
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#include <string.h>
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#include <math.h>
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#include <c2t.h>
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#define ABS(x) (((x) < 0) ? -(x) : (x))
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#define VERSION "Version 0.996"
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#define OUTFILE argv[argc-1]
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#define BINARY 0
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#define MONITOR 1
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#define AIFF 2
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#define WAVE 3
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#define DSK 4
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#define WRITEBYTE(x) { \
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unsigned char wb_j, wb_temp=(x); \
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for(wb_j=0;wb_j<8;wb_j++) { \
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if(wb_temp & 0x80) \
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appendtone(&output,&outputlength,freq1,rate,0,1,&offset); \
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else \
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appendtone(&output,&outputlength,freq0,rate,0,1,&offset); \
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wb_temp<<=1; \
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} \
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}
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void usage();
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char *getext(char *filename);
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void appendtone(double **sound, long *length, int freq, int rate, double time, double cycles, int *offset);
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void Write_AIFF(FILE * fptr, double *samples, long nsamples, int nfreq, int bits, double amp);
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void Write_WAVE(FILE * fptr, double *samples, long nsamples, int nfreq, int bits, double amp);
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void ConvertToIeeeExtended(double num, unsigned char *bytes);
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uint8_t read6502(uint16_t address);
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void write6502(uint16_t address, uint8_t value);
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unsigned char ram[65536];
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int square = 0;
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typedef struct seg {
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int start;
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int length;
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int codelength;
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unsigned char *data;
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char filename[256];
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} segment;
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int main(int argc, char **argv)
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{
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FILE *ofp;
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double *output = NULL, amp=0.75;
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long outputlength=0;
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int i, c, model=0, outputtype, offset=0, fileoutput=1, warm=0, dsk=0, noformat=0, k8=0, qr=0;
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int autoload=0, basicload=0, compress=0, fast=0, cd=0, tape=0, endpage=0, longmon=0, rate=11025, bits=8, freq0=2000, freq1=1000, freq_pre=770, freq_end=770;
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char *filetypes[] = {"binary","monitor","aiff","wave","disk"};
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char *modeltypes[] = {"\b","I","II"};
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char *ext;
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unsigned int numseg = 0;
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segment *segments = NULL;
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opterr = 1;
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while((c = getopt(argc, argv, "12vabcftdpn8meh?lqr:")) != -1)
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switch(c) {
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case '1': // apple 1
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rate = 8000;
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model = 1;
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break;
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case '2': // apple 2
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model = 2;
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break;
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case 'v': // version
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fprintf(stderr,"\n%s\n\n",VERSION);
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return 1;
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break;
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case 'a': // assembly autoloader
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model = 2;
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autoload = 1;
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break;
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case 'b': // basic autoloader
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model = 2;
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basicload = autoload = 1;
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break;
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case 'c': // compression
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model = 2;
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autoload = compress = 1;
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break;
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case 'f': // hifreq
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rate = 48000;
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model = 2;
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autoload = fast = 1;
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cd = k8 = 0;
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break;
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case 'd': // hifreq CD
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rate = 44100;
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bits = 16;
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amp = 1.0;
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model = 2;
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cd = autoload = 1;
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fast = k8 = 0;
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break;
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case 't': // 10 sec leader
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tape = 6;
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amp = 1.0;
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break;
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case 'm': // drop to monitor after load
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warm = 1;
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break;
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case 'e': // end on page boundary
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endpage = 1;
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break;
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case 'p': // stdout
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fileoutput = 0;
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break;
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case 'n':
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noformat = 1;
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break;
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case '8': // 8k
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rate = 48000;
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model = 2;
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autoload = k8 = 1;
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fast = cd = 0;
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break;
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case 'h': // help
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case '?':
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usage();
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return 1;
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case 'q': // qr code support
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rate = 48000;
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model = 2;
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autoload = k8 = qr = 1;
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fast = cd = 0;
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break;
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case 'l': // long mon lines
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longmon = 1;
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break;
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case 'r': // override rate for -1/-2 only
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rate = atoi(optarg);
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autoload = basicload = k8 = qr = fast = cd = 0;
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break;
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}
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if(argc - optind < 1 + fileoutput) {
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usage();
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return 1;
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}
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// read intput files
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fprintf(stderr,"\n");
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for(i=optind;i<argc-fileoutput;i++) {
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char start[5];
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unsigned char b, *data;
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int j, k, inputtype=BINARY;
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segment *tmp;
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FILE *ifp;
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if((tmp = realloc(segments, (numseg+1) * sizeof(segment))) == NULL) {
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fprintf(stderr,"could not allocate segment %d\n",numseg+1);
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abort();
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}
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segments = tmp;
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k=0;
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for(j=0;j<strlen(argv[i]);j++) {
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if(argv[i][j] == ',')
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break;
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segments[numseg].filename[k++]=argv[i][j];
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}
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segments[numseg].filename[k] = '\0';
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// TODO: store as basename, check for MINGW compat
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k=0;j++;
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for(;j<strlen(argv[i]);j++)
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start[k++]=argv[i][j];
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start[k] = '\0';
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if(k == 0)
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segments[numseg].start = -1;
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else
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segments[numseg].start = (int)strtol(start, (char **)NULL, 16);
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if((ext = getext(segments[numseg].filename)) != NULL)
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if(strcmp(ext,"mon") == 0)
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inputtype = MONITOR;
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if((ext = getext(segments[numseg].filename)) != NULL)
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if(strcmp(ext,"dsk") == 0)
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inputtype = DSK;
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//TODO: Windows needs "rb", check UNIX/Linux
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if ((ifp = fopen(segments[numseg].filename, "rb")) == NULL) {
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fprintf(stderr,"Cannot read: %s\n\n",segments[numseg].filename);
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return 1;
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}
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fprintf(stderr,"Reading %s, type %s, segment %d, start: ",segments[numseg].filename,filetypes[inputtype],numseg+1);
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//hack to support dumping disks for testing, should be 48, not 140 (really should be dynamic)
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if((data = malloc(140*1024*sizeof(char))) == NULL) {
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fprintf(stderr,"could not allocate 140K data\n");
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abort();
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}
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if(inputtype == DSK) {
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dsk = 1;
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segments[numseg].length = 0;
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for(i=0;i<5;i++) {
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//segments[numseg].start=i*(140 * 1024 / 5);
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segments[numseg].start=0x1000;
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while(fread(&b, 1, 1, ifp) == 1 && segments[numseg].length < (140 * 1024 / 5))
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data[segments[numseg].length++]=b;
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segments[numseg].data = data;
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fprintf(stderr,"0x%04X, length: %d\n",segments[numseg].start,segments[numseg].length);
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if(segments[numseg].length != (140 * 1024 / 5)) {
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fprintf(stderr,"\n%s segment too short (< %d) for file type DISK\n\n",segments[numseg].filename,140*1024/5);
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return 1;
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}
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if(i==4)
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break;
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numseg++;
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if((tmp = realloc(segments, (numseg+1) * sizeof(segment))) == NULL) {
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fprintf(stderr,"could not allocate segment %d\n",numseg+1);
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abort();
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}
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segments = tmp;
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strcpy(segments[numseg].filename,segments[numseg-1].filename);
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segments[numseg].length = 0;
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if((data = malloc(48*1024*sizeof(char))) == NULL) {
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fprintf(stderr,"could not allocate 48K data\n");
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abort();
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}
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data[segments[numseg].length++]=b;
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fprintf(stderr,"Reading %s, type %s, segment %d, start: ",segments[numseg].filename,filetypes[inputtype],numseg+1);
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}
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}
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if(inputtype == BINARY) {
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if(segments[numseg].start == -1) {
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fread(&b, 1, 1, ifp);
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segments[numseg].start = b;
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fread(&b, 1, 1, ifp);
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segments[numseg].start |= b << 8;
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fread(&b, 1, 1, ifp);
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segments[numseg].length = b;
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fread(&b, 1, 1, ifp);
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segments[numseg].length |= b << 8;
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}
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segments[numseg].length=0;
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while(fread(&b, 1, 1, ifp) == 1)
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data[segments[numseg].length++]=b;
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segments[numseg].data = data;
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fprintf(stderr,"0x%04X, length: %d\n",segments[numseg].start,segments[numseg].length);
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}
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if(inputtype == MONITOR) {
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int byte, naddr;
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char addrs[8], s;
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segments[numseg].start = -1;
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segments[numseg].length = 0;
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while(fscanf(ifp,"%s ",addrs) != EOF) {
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naddr = (int)strtol(addrs, (char **)NULL, 16);
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if(segments[numseg].start == -1)
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segments[numseg].start = naddr;
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if(naddr != segments[numseg].start + segments[numseg].length) { // multi segment
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segments[numseg].data = data;
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fprintf(stderr,"0x%04X, length: %d\n",segments[numseg].start,segments[numseg].length);
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numseg++;
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if((tmp = realloc(segments, (numseg+1) * sizeof(segment))) == NULL) {
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fprintf(stderr,"could not allocate segment %d\n",numseg+1);
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abort();
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}
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segments = tmp;
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if((data = malloc(48*1024*sizeof(char))) == NULL) {
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fprintf(stderr,"could not allocate 48K data\n");
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abort();
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}
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segments[numseg].start = naddr;
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segments[numseg].length = 0;
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strcpy(segments[numseg].filename,segments[numseg-1].filename);
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fprintf(stderr,"Reading %s, type %s, segment %d, start: ",segments[numseg].filename,filetypes[inputtype],numseg+1);
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}
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while (fscanf(ifp, "%x%c", &byte, &s) != EOF) {
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data[segments[numseg].length++]=byte;
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if (s == '\n' || s == '\r')
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break;
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}
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}
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segments[numseg].data = data;
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fprintf(stderr,"0x%04X, length: %d\n",segments[numseg].start,segments[numseg].length);
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}
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fclose(ifp);
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numseg++;
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}
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fprintf(stderr,"\n");
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if(dsk) {
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fast=autoload=cd=tape=0;
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model=2;
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if(numseg != 5) {
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fprintf(stderr,"Number of segments != 5 and/or not of length %d\n\n",140*1024/5);
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return 1;
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}
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else {
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for(i=0;i<5;i++) {
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if(segments[i].length != 140*1024/5) {
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fprintf(stderr,"Number of segments != 5 and/or not of length %d\n\n",140*1024/5);
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return 1;
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}
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}
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}
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}
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if(endpage)
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for(i=0;i<numseg;i++) {
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int pad = (0xFF - ((segments[i].length + segments[i].start - 1) & 0xFF));
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segments[i].length += pad;
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while(pad--)
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segments[i].data[segments[i].length - pad - 1] = 0;
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}
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if(numseg > 1 || model == 1) {
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if(autoload)
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fprintf(stderr,"WARNING: number of segments > 1 or model = 1: autoload and fast disabled.\n\n");
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autoload = fast = 0;
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}
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if(fileoutput) {
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if((ext = getext(OUTFILE)) == NULL) {
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usage();
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return 1;
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}
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else {
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if(strcmp(ext,"aiff") == 0 || strcmp(ext,"aif") == 0)
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outputtype = AIFF;
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else if(strcmp(ext,"wave") == 0 || strcmp(ext,"wav") == 0)
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outputtype = WAVE;
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else if(strcmp(ext,"mon") == 0)
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outputtype = MONITOR;
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else {
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usage();
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return 1;
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}
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}
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}
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else {
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/*
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if(!model)
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outputtype = MONITOR;
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else
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outputtype = AIFF;
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*/
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outputtype = MONITOR;
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}
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if(outputtype != MONITOR && !model) {
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fprintf(stderr,"\nYou must specify -1 or -2 for Apple I or II tape format, exiting.\n\n");
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return 1;
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}
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// TODO: check for existing file and abort, or warn, or prompt
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ofp=stdout;
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if(fileoutput) {
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if ((ofp = fopen(OUTFILE, "w")) == NULL) {
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fprintf(stderr,"\nCannot write: %s\n\n",OUTFILE);
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return 1;
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}
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fprintf(stderr,"Writing %s as Apple %s formatted %s.\n\n",OUTFILE,modeltypes[model],filetypes[outputtype]);
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}
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else
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fprintf(stderr,"Writing %s as Apple %s formatted %s.\n\n","STDOUT",modeltypes[model],filetypes[outputtype]);
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if(outputtype == MONITOR) {
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int i, j, saddr;
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unsigned long cmp_len;
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unsigned char *cmp_data;
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for(i=0;i<numseg;i++) {
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if(compress) {
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cmp_data = tdefl_compress_mem_to_heap(segments[i].data, segments[i].length, &cmp_len, TDEFL_MAX_PROBES_MASK);
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free(segments[i].data);
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segments[i].data = cmp_data;
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segments[i].length = cmp_len;
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}
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saddr = segments[i].start;
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fprintf(ofp,"%04X:", saddr);
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for(j=0;j<segments[i].length;j++) {
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fprintf(ofp," %02X", segments[i].data[j]);
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if(++saddr % (8+(24*longmon)) == 0 && j < segments[i].length - 1)
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fprintf(ofp,"\n%04X:",saddr);
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}
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fprintf(ofp,"\n");
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}
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fclose(ofp);
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return 0;
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}
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// write out code
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if(!autoload && !dsk) {
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int i, j;
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unsigned long cmp_len;
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unsigned char *cmp_data;
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char checksum;
|
|
|
|
for(i=0;i<numseg;i++) {
|
|
// header
|
|
if(model == 1) {
|
|
appendtone(&output,&outputlength,1000,rate,4.0+tape,0,&offset);
|
|
appendtone(&output,&outputlength,2000,rate,0,1,&offset);
|
|
}
|
|
else {
|
|
appendtone(&output,&outputlength,770,rate,4.0+tape,0,&offset);
|
|
appendtone(&output,&outputlength,2500,rate,0,0.5,&offset);
|
|
appendtone(&output,&outputlength,2000,rate,0,0.5,&offset);
|
|
}
|
|
checksum = 0xff;
|
|
|
|
if(compress) {
|
|
cmp_data = tdefl_compress_mem_to_heap(segments[i].data, segments[i].length, &cmp_len, TDEFL_MAX_PROBES_MASK);
|
|
free(segments[i].data);
|
|
segments[i].data = cmp_data;
|
|
segments[i].length = cmp_len;
|
|
}
|
|
for(j=0;j<segments[i].length;j++) {
|
|
WRITEBYTE(segments[i].data[j]);
|
|
checksum ^= segments[i].data[j];
|
|
}
|
|
|
|
// checksum/endbits
|
|
if(model == 2)
|
|
WRITEBYTE(checksum);
|
|
appendtone(&output,&outputlength,1000,rate,0,1,&offset);
|
|
}
|
|
|
|
// friendly help
|
|
fprintf(stderr,"To load up and run on your Apple %s, type:\n\n",modeltypes[model]);
|
|
if(model == 1)
|
|
fprintf(stderr,"\tC100R\n\t");
|
|
else
|
|
fprintf(stderr,"\tCALL -151\n\t");
|
|
|
|
for(i=0;i<numseg;i++)
|
|
fprintf(stderr,"%X.%XR ",segments[i].start,segments[i].start+segments[i].length-1);
|
|
fprintf(stderr,"\n");
|
|
|
|
if(numseg == 1) {
|
|
if(model == 1)
|
|
fprintf(stderr,"\t%XR\n",segments[0].start);
|
|
else
|
|
fprintf(stderr,"\t%XG\n",segments[0].start);
|
|
}
|
|
fprintf(stderr,"\n");
|
|
}
|
|
|
|
if(autoload) {
|
|
char eta[40], loading[]=" LOADING ";
|
|
unsigned char byte, checksum, *cmp_data, table[12];
|
|
unsigned long ones=0, zeros=0, cmp_len;
|
|
unsigned int length, move_len;
|
|
int i, j;
|
|
|
|
appendtone(&output,&outputlength,770,rate,4.0+tape,0,&offset);
|
|
appendtone(&output,&outputlength,2500,rate,0,0.5,&offset);
|
|
appendtone(&output,&outputlength,2000,rate,0,0.5,&offset);
|
|
|
|
// compute uncompressed ETA
|
|
for(j=0;j<segments[0].length;j++) {
|
|
byte=segments[0].data[j];
|
|
for(i=0;i<8;i++) {
|
|
if(byte & 0x80)
|
|
ones++;
|
|
else
|
|
zeros++;
|
|
byte <<= 1;
|
|
}
|
|
}
|
|
|
|
if(fast) {
|
|
freq0 = 12000;
|
|
freq1 = 8000;
|
|
freq_pre = 6000;
|
|
freq_end = 2000;
|
|
}
|
|
if(k8) {
|
|
freq0 = 12000;
|
|
freq1 = 6000;
|
|
freq_pre = 2000;
|
|
freq_end = 770;
|
|
}
|
|
if(cd) {
|
|
freq0 = 11025;
|
|
freq1 = 7350;
|
|
freq_pre = 5512;
|
|
freq_end = 2000;
|
|
}
|
|
|
|
if(compress) {
|
|
unsigned long cmp_ones=0, cmp_zeros=0;
|
|
double inflate_time = 0;
|
|
unsigned int endj;
|
|
|
|
cmp_data = tdefl_compress_mem_to_heap(segments[0].data, segments[0].length, &cmp_len, TDEFL_MAX_PROBES_MASK);
|
|
|
|
for(j=0;j<cmp_len;j++) {
|
|
byte=cmp_data[j];
|
|
for(i=0;i<8;i++) {
|
|
if(byte & 0x80)
|
|
cmp_ones++;
|
|
else
|
|
cmp_zeros++;
|
|
byte <<= 1;
|
|
}
|
|
}
|
|
|
|
// we need to append inflate/decompress code to end of data
|
|
for(j=0;j<sizeof(inflatecode)/sizeof(char);j++) {
|
|
byte=inflatecode[j];
|
|
for(i=0;i<8;i++) {
|
|
if(byte & 0x80)
|
|
cmp_ones++;
|
|
else
|
|
cmp_zeros++;
|
|
byte <<= 1;
|
|
}
|
|
}
|
|
|
|
//compute inflate time
|
|
|
|
//load up inflate data
|
|
checksum = 0xff;
|
|
for(j=0;j<cmp_len;j++) {
|
|
ram[0xBA00 - cmp_len + j] = cmp_data[j];
|
|
checksum ^= cmp_data[j];
|
|
}
|
|
//load up inflate code
|
|
for(j=0;j<sizeof(inflatecode)/sizeof(char);j++) {
|
|
ram[0xBA00 + j] = inflatecode[j];
|
|
checksum ^= inflatecode[j];
|
|
}
|
|
ram[0xBA00 + j] = checksum;
|
|
endj = 0xBA00 + j + 1;
|
|
|
|
if(k8) {
|
|
for(j=(0x823 - 0x80C);j<sizeof(fastload8000)/sizeof(char);j++)
|
|
ram[0xBE80 - (0x823 - 0x80C) + j] = fastload8000[j];
|
|
ram[0xBE80 - (0x823 - 0x80C) + j++] = (0xBA00 - cmp_len) & 0xFF;
|
|
ram[0xBE80 - (0x823 - 0x80C) + j++] = (0xBA00 - cmp_len) >> 8;
|
|
ram[0xBE80 - (0x823 - 0x80C) + j++] = endj & 0xFF;
|
|
ram[0xBE80 - (0x823 - 0x80C) + j++] = endj >> 8;
|
|
ram[0x00] = 0xFF;
|
|
ram[0xBF09] = 0x00; //BRK
|
|
|
|
reset6502();
|
|
exec6502(0xBEE3);
|
|
|
|
if(ram[0x00] != 0)
|
|
fprintf(stderr,"WARNING: simulated checksum failed: %02X\n",ram[0x00]);
|
|
|
|
inflate_time += clockticks6502/1023000.0;
|
|
}
|
|
|
|
//zero page src
|
|
ram[0x0] = (0xBA00 - cmp_len) & 0xFF;
|
|
ram[0x1] = (0xBA00 - cmp_len) >> 8;
|
|
//zero page dst
|
|
ram[0x2] = (segments[0].start) & 0xFF;
|
|
ram[0x3] = (segments[0].start) >> 8;
|
|
//setup JSR
|
|
ram[0xBF00] = 0x20; // JSR $9B00
|
|
ram[0xBF01] = 0x00;
|
|
ram[0xBF02] = 0xBA;
|
|
ram[0xBF03] = 0x00; //BRK to stop simulation
|
|
//run it
|
|
reset6502();
|
|
exec6502(0xBF00);
|
|
//compare (just to be safe)
|
|
for(j=0;j<segments[0].length;j++)
|
|
if(ram[segments[0].start + j] != segments[0].data[j]) {
|
|
fprintf(stderr,"WARNING: simulated inflate failed at %04X\n",j+0x1000);
|
|
break;
|
|
}
|
|
inflate_time += clockticks6502/1023000.0;
|
|
|
|
fprintf(stderr,"start: 0x%04X, length: %5d, deflated: %.02f%%, data time:%.02f, inflate time:%.02f\n",(unsigned int)(0xB9FF - cmp_len),(unsigned int)cmp_len,100.0*(1-cmp_len/(float)segments[0].length),cmp_ones/(float)freq1 + cmp_zeros/(float)freq0,inflate_time);
|
|
|
|
if((ones/(float)freq1 + zeros/(float)freq0) < inflate_time + (cmp_ones/(float)freq1 + cmp_zeros/(float)freq0)) {
|
|
fprintf(stderr,"WARNING: compression disabled: no significant gain (%.02f)\n",ones/(float)freq1 + zeros/(float)freq0);
|
|
compress = 0;
|
|
}
|
|
else {
|
|
free(segments[0].data);
|
|
segments[0].data = cmp_data;
|
|
segments[0].codelength = segments[0].length;
|
|
segments[0].length = cmp_len;
|
|
ones=cmp_ones;
|
|
zeros=cmp_zeros;
|
|
}
|
|
fprintf(stderr,"\n");
|
|
}
|
|
|
|
sprintf(eta,", ETA %d SEC. ",(int) (ones/(float)freq1 + zeros/(float)freq0 + 0.5 + 0.25 + (3.75 * ((k8|cd|fast) == 0))) );
|
|
|
|
length = sizeof(basic)/sizeof(char) + sizeof(table)/sizeof(char) + strlen(loading) + strlen(segments[0].filename) + strlen(eta) + 1;
|
|
|
|
move_len = (0x823 - 0x80C);
|
|
if(fast)
|
|
length += sizeof(fastload9600)/sizeof(char);
|
|
else
|
|
if(k8)
|
|
length += sizeof(fastload8000)/sizeof(char);
|
|
else
|
|
if(cd)
|
|
length += sizeof(fastloadcd)/sizeof(char);
|
|
else {
|
|
length += sizeof(autoloadcode)/sizeof(char);
|
|
move_len = (0x81A - 0x80C);
|
|
}
|
|
|
|
if(fast | k8 | cd) {
|
|
if(length - sizeof(basic)/sizeof(char) - move_len > 384) {
|
|
segments[0].filename[strlen(segments[0].filename) - (length - sizeof(basic)/sizeof(char) - move_len - 384)] = '\0';
|
|
fprintf(stderr,"WARNING: BF00 page overflow: truncating display filename to %s\n\n",segments[0].filename);
|
|
length = 384 + sizeof(basic)/sizeof(char) + move_len;
|
|
}
|
|
}
|
|
else {
|
|
if(length - sizeof(basic)/sizeof(char) - move_len > 256) {
|
|
segments[0].filename[strlen(segments[0].filename) - (length - sizeof(basic)/sizeof(char) - move_len - 256)] = '\0';
|
|
fprintf(stderr,"WARNING: BF00 page overflow: truncating display filename to %s\n\n",segments[0].filename);
|
|
length = 256 + sizeof(basic)/sizeof(char) + move_len;
|
|
}
|
|
}
|
|
|
|
freq0 = 2000;
|
|
freq1 = 1000;
|
|
checksum = 0xff;
|
|
|
|
if(basicload) { // write basic stub
|
|
header[0] = length & 0xFF;
|
|
header[1] = length >> 8;
|
|
for(i=0;i<3;i++) {
|
|
WRITEBYTE(header[i]);
|
|
checksum ^= header[i];
|
|
}
|
|
WRITEBYTE(checksum);
|
|
|
|
appendtone(&output,&outputlength,1000,rate,0,1,&offset);
|
|
appendtone(&output,&outputlength,770,rate,4.0,0,&offset);
|
|
appendtone(&output,&outputlength,2500,rate,0,0.5,&offset);
|
|
appendtone(&output,&outputlength,2000,rate,0,0.5,&offset);
|
|
|
|
// write out basic program
|
|
checksum = 0xff;
|
|
for(i=0;i<sizeof(basic)/sizeof(char);i++) {
|
|
WRITEBYTE(basic[i]);
|
|
checksum ^= basic[i];
|
|
}
|
|
}
|
|
else { // write out JMP 80C NOP NOP ...
|
|
unsigned char patch[] = {0x4C,0x0C,0x08,0xEA,0xEA,0xEA,0xEA,0xEA,0xEA,0xEA,0xEA,0xEA};
|
|
for(i=0;i<sizeof(patch)/sizeof(char);i++) {
|
|
WRITEBYTE(patch[i]);
|
|
checksum ^= patch[i];
|
|
}
|
|
}
|
|
|
|
// write out move and load code
|
|
if(compress) {
|
|
unsigned int cmp_start = 0xBA00 - segments[0].length;
|
|
|
|
//load start
|
|
table[0] = cmp_start & 0xff;
|
|
table[1] = cmp_start >> 8;
|
|
|
|
//load end
|
|
table[2] = (cmp_start + segments[0].length + sizeof(inflatecode)/sizeof(char) + 1) & 0xff;
|
|
table[3] = (cmp_start + segments[0].length + sizeof(inflatecode)/sizeof(char) + 1) >> 8;
|
|
|
|
//inflate src
|
|
table[4] = cmp_start & 0xff;
|
|
table[5] = cmp_start >> 8;
|
|
|
|
//inflate end
|
|
table[8] = (segments[0].start + segments[0].codelength) & 0xff;
|
|
table[9] = (segments[0].start + segments[0].codelength) >> 8;
|
|
}
|
|
else {
|
|
//load start
|
|
table[0] = segments[0].start & 0xff;
|
|
table[1] = segments[0].start >> 8;
|
|
|
|
//load end
|
|
table[2] = (segments[0].start + segments[0].length + 1) & 0xff;
|
|
table[3] = (segments[0].start + segments[0].length + 1) >> 8;
|
|
}
|
|
//JMP to code, inflate dst
|
|
table[6] = segments[0].start & 0xff;
|
|
table[7] = segments[0].start >> 8;
|
|
table[10] = compress;
|
|
table[11] = warm;
|
|
|
|
if(fast)
|
|
for(i=0;i<sizeof(fastload9600)/sizeof(char);i++) {
|
|
WRITEBYTE(fastload9600[i]);
|
|
checksum ^= fastload9600[i];
|
|
}
|
|
else
|
|
if(k8)
|
|
for(i=0;i<sizeof(fastload8000)/sizeof(char);i++) {
|
|
WRITEBYTE(fastload8000[i]);
|
|
checksum ^= fastload8000[i];
|
|
}
|
|
else
|
|
if(cd)
|
|
for(i=0;i<sizeof(fastloadcd)/sizeof(char);i++) {
|
|
WRITEBYTE(fastloadcd[i]);
|
|
checksum ^= fastloadcd[i];
|
|
}
|
|
else
|
|
for(i=0;i<sizeof(autoloadcode)/sizeof(char);i++) {
|
|
WRITEBYTE(autoloadcode[i]);
|
|
checksum ^= autoloadcode[i];
|
|
}
|
|
|
|
// append table
|
|
for(i=0;i<sizeof(table)/sizeof(char);i++) {
|
|
WRITEBYTE(table[i]);
|
|
checksum ^= table[i];
|
|
}
|
|
|
|
// append LOADING...
|
|
loading[0] = 0x0D;
|
|
for(i=0;i<strlen(loading);i++) {
|
|
byte = toupper(loading[i]) + 0x80;
|
|
if(loading[i] == '_')
|
|
byte = toupper(' ') + 0x80;
|
|
WRITEBYTE(byte);
|
|
checksum ^= byte;
|
|
}
|
|
|
|
// append to loader the name of the file
|
|
for(i=0;i<strlen(segments[0].filename);i++) {
|
|
byte = toupper(segments[0].filename[i]) + 0x80;
|
|
if(segments[0].filename[i] == '_')
|
|
byte = toupper(' ') + 0x80;
|
|
WRITEBYTE(byte);
|
|
checksum ^= byte;
|
|
}
|
|
|
|
// append to loader the ETA
|
|
for(i=0;i<strlen(eta);i++) {
|
|
byte = toupper(eta[i]) + 0x80;
|
|
WRITEBYTE(byte);
|
|
checksum ^= byte;
|
|
}
|
|
|
|
// append to NULL to LOADING string
|
|
WRITEBYTE(0x00);
|
|
checksum ^= 0x00;
|
|
|
|
// it's a wrap!
|
|
WRITEBYTE(0xff);
|
|
checksum ^= 0xff;
|
|
|
|
if(!basicload) {
|
|
int pad = (0xFF - (length & 0xFF));
|
|
|
|
if(!(fast|cd|k8))
|
|
pad += 0x100;
|
|
|
|
length += pad;
|
|
while(pad--)
|
|
WRITEBYTE(0x00);
|
|
}
|
|
|
|
WRITEBYTE(checksum);
|
|
|
|
appendtone(&output,&outputlength,1000,rate,0,1,&offset);
|
|
if(fast || cd || k8)
|
|
appendtone(&output,&outputlength,freq_pre,rate,0.25,0,&offset);
|
|
else {
|
|
appendtone(&output,&outputlength,770,rate,4.0,0,&offset);
|
|
appendtone(&output,&outputlength,2500,rate,0,0.5,&offset);
|
|
appendtone(&output,&outputlength,2000,rate,0,0.5,&offset);
|
|
}
|
|
|
|
// now the code
|
|
if(fast) {
|
|
freq0 = 12000;
|
|
freq1 = 8000;
|
|
}
|
|
if(cd) {
|
|
freq0 = 11025;
|
|
freq1 = 7350;
|
|
}
|
|
if(k8) {
|
|
freq0 = 12000;
|
|
freq1 = 6000;
|
|
}
|
|
|
|
if(qr) {
|
|
char loading[]="LOADING ";
|
|
outputlength = 0;
|
|
|
|
// 0.25 sec
|
|
appendtone(&output,&outputlength,freq_pre,rate,0.25,0,&offset);
|
|
|
|
checksum = 0xff;
|
|
|
|
// parameters, 12 bytes
|
|
for(i=0;i<sizeof(table)/sizeof(char);i++) {
|
|
WRITEBYTE(table[i]);
|
|
checksum ^= table[i];
|
|
}
|
|
|
|
// LOADING
|
|
for(i=0;i<strlen(loading);i++) {
|
|
byte = loading[i] + 0x80;
|
|
WRITEBYTE(byte);
|
|
checksum ^= byte;
|
|
}
|
|
|
|
// append to loader the name of the file
|
|
for(i=0;i<strlen(segments[0].filename);i++) {
|
|
byte = toupper(segments[0].filename[i]) + 0x80;
|
|
if(segments[0].filename[i] == '_')
|
|
byte = toupper(' ') + 0x80;
|
|
WRITEBYTE(byte);
|
|
checksum ^= byte;
|
|
}
|
|
|
|
// append to loader the ETA
|
|
for(i=0;i<strlen(eta);i++) {
|
|
byte = toupper(eta[i]) + 0x80;
|
|
WRITEBYTE(byte);
|
|
checksum ^= byte;
|
|
}
|
|
|
|
for(i=0;i<60-strlen(segments[0].filename)-strlen(eta)-strlen(loading);i++) {
|
|
WRITEBYTE(0x00);
|
|
checksum ^= 0x00;
|
|
}
|
|
|
|
WRITEBYTE(checksum);
|
|
|
|
// end of parameters
|
|
appendtone(&output,&outputlength,freq_end,rate,0,2,&offset);
|
|
|
|
// time to processes
|
|
appendtone(&output,&outputlength,freq_pre,rate,0.25,0,&offset);
|
|
}
|
|
|
|
checksum = 0xff;
|
|
for(j=0;j<segments[0].length;j++) {
|
|
WRITEBYTE(segments[0].data[j]);
|
|
checksum ^= segments[0].data[j];
|
|
}
|
|
|
|
if(compress) {
|
|
for(j=0;j<sizeof(inflatecode)/sizeof(char);j++) {
|
|
WRITEBYTE(inflatecode[j]);
|
|
checksum ^= inflatecode[j];
|
|
}
|
|
}
|
|
|
|
if(fast + cd + k8 == 0) { // hack so that standard method matches others
|
|
WRITEBYTE(0x00);
|
|
WRITEBYTE(0x00);
|
|
}
|
|
|
|
WRITEBYTE(checksum);
|
|
|
|
if(fast || cd || k8)
|
|
//appendtone(&output,&outputlength,freq_end,rate,0,1,&offset);
|
|
appendtone(&output,&outputlength,freq_end,rate,0,10,&offset);
|
|
else
|
|
//appendtone(&output,&outputlength,1000,rate,0,1,&offset);
|
|
appendtone(&output,&outputlength,1000,rate,0,10,&offset);
|
|
|
|
if(!qr) {
|
|
if(basicload) {
|
|
fprintf(stderr,"To load up and run on your Apple %s, type:\n\n\tLOAD\n",modeltypes[model]);
|
|
if(warm)
|
|
fprintf(stderr,"\t%XG\n",segments[0].start);
|
|
}
|
|
else {
|
|
fprintf(stderr,"To load up and run on your Apple %s, type:\n\n\t800.%XR 800G\n",modeltypes[model],0x800 + length + 1);
|
|
}
|
|
}
|
|
else {
|
|
fprintf(stderr,"To load up and run on your Apple %s, use the client disk.\n",modeltypes[model]);
|
|
}
|
|
fprintf(stderr,"\n");
|
|
}
|
|
|
|
if(dsk) {
|
|
char eta[40];
|
|
unsigned char byte, checksum=0xff, *cmp_data, start_table[21], *diskloadcode;
|
|
unsigned long ones=0, zeros=0, cmp_len, diskloadcode_len;
|
|
unsigned int length, start_table_len = 0;
|
|
int i, j;
|
|
double inflate_times[5];
|
|
|
|
if(k8) {
|
|
diskloadcode = diskload8000;
|
|
diskloadcode_len = sizeof(diskload8000)/sizeof(char);
|
|
}
|
|
else {
|
|
diskloadcode = diskload9600;
|
|
diskloadcode_len = sizeof(diskload9600)/sizeof(char);
|
|
}
|
|
|
|
rate = 48000;
|
|
appendtone(&output,&outputlength,770,rate,4.0+tape,0,&offset);
|
|
appendtone(&output,&outputlength,2500,rate,0,0.5,&offset);
|
|
appendtone(&output,&outputlength,2000,rate,0,0.5,&offset);
|
|
|
|
for(j=0;j<sizeof(diskloadcode2)/sizeof(char);j++) {
|
|
byte=diskloadcode2[j];
|
|
for(i=0;i<8;i++) {
|
|
if(byte & 0x80)
|
|
ones++;
|
|
else
|
|
zeros++;
|
|
byte <<= 1;
|
|
}
|
|
}
|
|
|
|
// compute pad length, assuming 4 pages max for code
|
|
zeros += 8*(4 * 256 - sizeof(diskloadcode2)/sizeof(char));
|
|
|
|
for(j=0;j<sizeof(diskloadcode3)/sizeof(char);j++) {
|
|
byte=diskloadcode3[j];
|
|
for(i=0;i<8;i++) {
|
|
if(byte & 0x80)
|
|
ones++;
|
|
else
|
|
zeros++;
|
|
byte <<= 1;
|
|
}
|
|
}
|
|
|
|
for(j=0;j<sizeof(dosboot1)/sizeof(char);j++) {
|
|
byte=dosboot1[j];
|
|
for(i=0;i<8;i++) {
|
|
if(byte & 0x80)
|
|
ones++;
|
|
else
|
|
zeros++;
|
|
byte <<= 1;
|
|
}
|
|
}
|
|
|
|
for(j=0;j<sizeof(dosboot2)/sizeof(char);j++) {
|
|
byte=dosboot2[j];
|
|
for(i=0;i<8;i++) {
|
|
if(byte & 0x80)
|
|
ones++;
|
|
else
|
|
zeros++;
|
|
byte <<= 1;
|
|
}
|
|
}
|
|
|
|
freq0 = 12000;
|
|
freq1 = 8000;
|
|
if(k8)
|
|
freq1 = 6000;
|
|
sprintf(eta,"%d SEC. ",(int) (ones/(float)freq1 + zeros/(float)freq0 + 0.5 + 0.25));
|
|
|
|
//length = sizeof(basic)/sizeof(char) + sizeof(diskloadcode)/sizeof(char);
|
|
length = sizeof(basic)/sizeof(char) + diskloadcode_len;
|
|
header[0] = length & 0xFF;
|
|
header[1] = length >> 8;
|
|
|
|
freq0 = 2000;
|
|
freq1 = 1000;
|
|
for(i=0;i<3;i++) {
|
|
WRITEBYTE(header[i]);
|
|
checksum ^= header[i];
|
|
}
|
|
WRITEBYTE(checksum);
|
|
|
|
appendtone(&output,&outputlength,1000,rate,0,1,&offset);
|
|
appendtone(&output,&outputlength,770,rate,4.0,0,&offset);
|
|
appendtone(&output,&outputlength,2500,rate,0,0.5,&offset);
|
|
appendtone(&output,&outputlength,2000,rate,0,0.5,&offset);
|
|
|
|
// write out basic program
|
|
checksum = 0xff;
|
|
for(i=0;i<sizeof(basic)/sizeof(char);i++) {
|
|
WRITEBYTE(basic[i]);
|
|
checksum ^= basic[i];
|
|
}
|
|
|
|
// patch in ETA
|
|
for(i=0;i<strlen(eta);i++)
|
|
diskloadcode[0x84F - 0x80C + i] = eta[i] + 0x80;
|
|
|
|
// write out move and load code
|
|
//for(i=0;i<sizeof(diskloadcode)/sizeof(char);i++) {
|
|
for(i=0;i<diskloadcode_len;i++) {
|
|
WRITEBYTE(diskloadcode[i]);
|
|
checksum ^= diskloadcode[i];
|
|
}
|
|
|
|
// end of basic and diskloadcode
|
|
WRITEBYTE(0xff);
|
|
checksum ^= 0xff;
|
|
|
|
WRITEBYTE(checksum);
|
|
|
|
appendtone(&output,&outputlength,1000,rate,0,1,&offset);
|
|
square=0;
|
|
freq0 = 12000;
|
|
if(k8) {
|
|
freq1 = 6000;
|
|
appendtone(&output,&outputlength,2000,rate,0.25,0,&offset);
|
|
}
|
|
else {
|
|
freq1 = 8000;
|
|
appendtone(&output,&outputlength,6000,rate,0.25,0,&offset);
|
|
}
|
|
|
|
checksum = 0xff;
|
|
for(i=0;i<sizeof(dosboot1)/sizeof(char);i++) {
|
|
WRITEBYTE(dosboot1[i]);
|
|
checksum ^= dosboot1[i];
|
|
}
|
|
|
|
// time to compress and compute start location and length
|
|
// patch loadcode2 with start locations and ETA
|
|
for(i=0;i<numseg;i++) {
|
|
int k, err;
|
|
double orig_len;
|
|
unsigned char checksum=0xff;
|
|
|
|
inflate_times[i] = 0;
|
|
|
|
cmp_data = tdefl_compress_mem_to_heap(segments[i].data, segments[i].length, &cmp_len, TDEFL_MAX_PROBES_MASK);
|
|
|
|
//compute inflate time
|
|
//load up inflate code
|
|
for(j=0;j<sizeof(diskloadcode3)/sizeof(char);j++)
|
|
ram[0x9B00 + j] = diskloadcode3[j];
|
|
//load up inflate data
|
|
for(j=0;j<cmp_len;j++) {
|
|
ram[0x8FFF - cmp_len + j] = cmp_data[j];
|
|
checksum ^= cmp_data[j];
|
|
}
|
|
ram[0x8FFF] = checksum;
|
|
|
|
//compute chksum time
|
|
if(k8) {
|
|
for(j=(0x859 - 0x80C);j<diskloadcode_len;j++)
|
|
ram[0x9000 - (0x859 - 0x80C) + j] = diskloadcode[j];
|
|
ram[0x00] = (0x8FFF - cmp_len) & 0xFF;
|
|
ram[0x01] = (0x8FFF - cmp_len) >> 8;
|
|
ram[0x02] = 0x00;
|
|
ram[0x03] = 0x90;
|
|
ram[0x04] = 0xFF;
|
|
ram[0x9089] = 0x85; //STA
|
|
ram[0x908A] = 0x04; //zero page $04
|
|
ram[0x908B] = 0x00; //BRK
|
|
|
|
reset6502();
|
|
exec6502(0x9065);
|
|
|
|
if(ram[0x04] != 0)
|
|
fprintf(stderr,"WARNING: simulated checksum failed: %02X\n",ram[0x04]);
|
|
|
|
inflate_times[i] += clockticks6502/1023000.0;
|
|
}
|
|
|
|
//zero page src
|
|
ram[0x10] = (0x8FFF - cmp_len) & 0xFF;
|
|
ram[0x11] = (0x8FFF - cmp_len) >> 8;
|
|
//zero page dst
|
|
ram[0x12] = 0x00;
|
|
ram[0x13] = 0x10;
|
|
//setup JSR
|
|
ram[0x9000] = 0x20; // JSR $9B00
|
|
ram[0x9001] = 0x00;
|
|
ram[0x9002] = 0x9B;
|
|
ram[0x9003] = 0x00; //BRK to stop simulation
|
|
//run it
|
|
reset6502();
|
|
exec6502(0x9000);
|
|
//compare (just to be safe)
|
|
err=0;
|
|
for(j=0;j<7 * 4096;j++)
|
|
if(ram[0x1000 + j] != segments[i].data[j]) {
|
|
err = 1;
|
|
break;
|
|
}
|
|
if(err)
|
|
fprintf(stderr,"WARNING: simulated inflate failed at %04X\n",j+0x1000);
|
|
inflate_times[i] += clockticks6502/1023000.0;
|
|
|
|
free(segments[i].data);
|
|
segments[i].data = cmp_data;
|
|
orig_len = segments[i].length;
|
|
segments[i].length = cmp_len;
|
|
segments[i].start = 0x8FFF - segments[i].length;
|
|
|
|
// compress ?
|
|
// need to see what is faster, defaulting to compress for now
|
|
// if not compressed do not set start location, change asm code to check for 0,0
|
|
// and not use inflate code
|
|
|
|
// where to load data
|
|
start_table[start_table_len++] = segments[i].start & 0xFF;
|
|
start_table[start_table_len++] = segments[i].start >> 8;
|
|
|
|
ones = zeros = 0;
|
|
for(j=0;j<segments[i].length;j++) {
|
|
byte=segments[i].data[j];
|
|
for(k=0;k<8;k++) {
|
|
if(byte & 0x80)
|
|
ones++;
|
|
else
|
|
zeros++;
|
|
byte <<= 1;
|
|
}
|
|
}
|
|
sprintf(eta,"%d",(int) (ones/(float)freq1 + zeros/(float)freq0 + 0.5 + 0.25));
|
|
|
|
// ETA
|
|
start_table[start_table_len++] = eta[0] + 0x80;
|
|
if(eta[1] != 0)
|
|
start_table[start_table_len++] = eta[1] + 0x80;
|
|
else
|
|
start_table[start_table_len++] = 0;
|
|
|
|
fprintf(stderr,"Segment: %d, start: 0x%04X, length: %5d, deflated: %.02f%%, data time:%s, inflate time:%.02f\n",i,segments[i].start,segments[i].length,100.0*(1-segments[i].length/orig_len),eta,inflate_times[i]);
|
|
}
|
|
fprintf(stderr,"\n");
|
|
|
|
for(i=0;i<sizeof(diskloadcode2)/sizeof(char);i++) {
|
|
WRITEBYTE(diskloadcode2[i]);
|
|
checksum ^= diskloadcode2[i];
|
|
}
|
|
|
|
start_table[start_table_len++] = noformat;
|
|
|
|
for(i=0;i<start_table_len;i++) {
|
|
WRITEBYTE(start_table[i]);
|
|
checksum ^= start_table[i];
|
|
}
|
|
|
|
for(i=0;i<4*256 - sizeof(diskloadcode2)/sizeof(char) - start_table_len;i++) {
|
|
WRITEBYTE(0x00);
|
|
checksum ^= 0x00;
|
|
}
|
|
|
|
for(i=0;i<sizeof(diskloadcode3)/sizeof(char);i++) {
|
|
WRITEBYTE(diskloadcode3[i]);
|
|
checksum ^= diskloadcode3[i];
|
|
}
|
|
|
|
for(i=0;i<sizeof(dosboot2)/sizeof(char);i++) {
|
|
WRITEBYTE(dosboot2[i]);
|
|
checksum ^= dosboot2[i];
|
|
}
|
|
|
|
WRITEBYTE(checksum);
|
|
if(k8) {
|
|
appendtone(&output,&outputlength,770,rate,0,2,&offset);
|
|
appendtone(&output,&outputlength,2000,rate,0.3,0,&offset);
|
|
}
|
|
else {
|
|
appendtone(&output,&outputlength,2000,rate,0,1,&offset);
|
|
appendtone(&output,&outputlength,6000,rate,0.1,0,&offset);
|
|
}
|
|
|
|
for(i=0;i<numseg;i++) {
|
|
//appendtone(&output,&outputlength,6000,rate,1,0,&offset);
|
|
|
|
//timing
|
|
if(i==0) {
|
|
if(!noformat)
|
|
j=28;
|
|
else
|
|
j=0;
|
|
}
|
|
else {
|
|
//j = 6 + ceil(inflate_times[i-1]); // 6 = write track time, may need to make it 7
|
|
// disk ][ verified (format and no-format)
|
|
// Virtual ][ emulator verified (format and no-format, 8K only)
|
|
// CFFA3000 3.1 failed, needs more time
|
|
|
|
j = ceil(6.5 + inflate_times[i-1]); // 6 = write track time, may need to make it 7
|
|
// disk ][ verified (format and no-format)
|
|
// Apple duodisk verified (format and no-format)
|
|
// CFFA3000 3.1 verified with USB stick (no-format only)
|
|
// CFFA3000 3.1 failed with IBM 4GB Microdrive (too slow)
|
|
// Nishida Radio SDISK // (no-format only)
|
|
}
|
|
if(i==1) // seek time for track 0, just in case
|
|
j+=2;
|
|
|
|
/* count down code
|
|
for(;j>=0;j--) {
|
|
checksum = 0xff;
|
|
WRITEBYTE(j/10 + 48 + 0x80);
|
|
checksum ^= (j/10 + 48 + 0x80);
|
|
WRITEBYTE(j%10 + 48 + 0x80);
|
|
checksum ^= (j%10 + 48 + 0x80);
|
|
WRITEBYTE(0x00);
|
|
checksum ^= 0x00;
|
|
WRITEBYTE(checksum);
|
|
appendtone(&output,&outputlength,2000,rate,0,1,&offset);
|
|
appendtone(&output,&outputlength,6000,rate,1,0,&offset);
|
|
}
|
|
*/
|
|
|
|
if(k8)
|
|
appendtone(&output,&outputlength,2000,rate,j,0,&offset);
|
|
else
|
|
appendtone(&output,&outputlength,6000,rate,j,0,&offset);
|
|
|
|
checksum = 0xff;
|
|
for(j=0;j<segments[i].length;j++) {
|
|
WRITEBYTE(segments[i].data[j]);
|
|
checksum ^= segments[i].data[j];
|
|
}
|
|
WRITEBYTE(checksum);
|
|
if(k8)
|
|
//appendtone(&output,&outputlength,770,rate,0,2,&offset);
|
|
appendtone(&output,&outputlength,770,rate,0,10,&offset);
|
|
else
|
|
//appendtone(&output,&outputlength,2000,rate,0,1,&offset);
|
|
appendtone(&output,&outputlength,2000,rate,0,10,&offset);
|
|
}
|
|
|
|
fprintf(stderr,"To load up and run on your Apple %s, type:\n\n\tLOAD\n\n",modeltypes[model]);
|
|
}
|
|
|
|
// append zero to zero out last wave
|
|
appendtone(&output,&outputlength,0,rate,0,1,&offset);
|
|
|
|
// 0.1 sec quiet to help some emulators
|
|
appendtone(&output,&outputlength,0,rate,0.1,0,&offset);
|
|
|
|
// 0.4 sec quiet to help some IIs
|
|
// appendtone(&output,&outputlength,0,rate,0.4,0,&offset);
|
|
|
|
// write it
|
|
if(outputtype == AIFF)
|
|
Write_AIFF(ofp,output,outputlength,rate,bits,amp);
|
|
else if(outputtype == WAVE)
|
|
Write_WAVE(ofp,output,outputlength,rate,bits,amp);
|
|
|
|
fclose(ofp);
|
|
return 0;
|
|
}
|
|
|
|
void appendtone(double **sound, long *length, int freq, int rate, double time, double cycles, int *offset)
|
|
{
|
|
long i, n=time*rate;
|
|
static long grow = 0;
|
|
double *tmp = NULL;
|
|
|
|
if(freq && cycles)
|
|
n=cycles*rate/freq;
|
|
|
|
if(n == 0)
|
|
n=cycles;
|
|
|
|
/*
|
|
if((tmp = (double *)realloc(*sound, (*length + n) * sizeof(double))) == NULL)
|
|
abort();
|
|
*sound = tmp;
|
|
*/
|
|
|
|
// new code for speed up Windows realloc
|
|
if(*length + n > grow) {
|
|
grow = *length + n + 10000000;
|
|
if((tmp = (double *)realloc(*sound, (grow) * sizeof(double))) == NULL)
|
|
abort();
|
|
*sound = tmp;
|
|
}
|
|
|
|
//tmp -> (*sound)
|
|
if(square) {
|
|
int j;
|
|
|
|
if(freq)
|
|
for (i = 0; i < n; i++) {
|
|
for(j = 0;j < rate / freq / 2;j++)
|
|
(*sound)[*length + i++] = 1;
|
|
for(j = 0;j < rate / freq / 2;j++)
|
|
(*sound)[*length + i++] = -1;
|
|
i--;
|
|
}
|
|
else
|
|
for (i = 0; i < n; i++)
|
|
(*sound)[*length + i] = 0;
|
|
}
|
|
else
|
|
for(i=0;i<n;i++)
|
|
(*sound)[*length+i] = sin(2*M_PI*i*freq/rate + *offset*M_PI);
|
|
|
|
if(cycles - (int)cycles == 0.5)
|
|
*offset = (*offset == 0);
|
|
|
|
*length += n;
|
|
}
|
|
|
|
char *getext(char *filename)
|
|
{
|
|
char stack[256], *rval;
|
|
int i, sp = 0;
|
|
|
|
for(i=strlen(filename)-1;i>=0;i--) {
|
|
if(filename[i] == '.')
|
|
break;
|
|
stack[sp++] = filename[i];
|
|
}
|
|
stack[sp] = '\0';
|
|
|
|
if(sp == strlen(filename) || sp == 0)
|
|
return(NULL);
|
|
|
|
if((rval = (char *)malloc(sp * sizeof(char))) == NULL)
|
|
; //do error code
|
|
|
|
rval[sp] = '\0';
|
|
for(i=0;i<sp+i;i++)
|
|
rval[i] = stack[--sp];
|
|
|
|
return(rval);
|
|
}
|
|
|
|
void usage()
|
|
{
|
|
fprintf(stderr,"%s",usagetext);
|
|
}
|
|
|
|
// Code below from http://paulbourke.net/dataformats/audio/
|
|
/*
|
|
Write an AIFF sound file
|
|
Only do one channel, only support 16 bit.
|
|
Supports sample frequencies of 11, 22, 44KHz (default).
|
|
Little/big endian independent!
|
|
*/
|
|
|
|
// egan: changed code to support any Hz and 8 bit.
|
|
|
|
void Write_AIFF(FILE * fptr, double *samples, long nsamples, int nfreq, int bits, double amp)
|
|
{
|
|
unsigned short v;
|
|
int i;
|
|
unsigned long totalsize;
|
|
double themin, themax, scale, themid;
|
|
unsigned char bit80[10];
|
|
|
|
// Write the form chunk
|
|
fprintf(fptr, "FORM");
|
|
totalsize = 4 + 8 + 18 + 8 + (bits / 8) * nsamples + 8;
|
|
fputc((totalsize & 0xff000000) >> 24, fptr);
|
|
fputc((totalsize & 0x00ff0000) >> 16, fptr);
|
|
fputc((totalsize & 0x0000ff00) >> 8, fptr);
|
|
fputc((totalsize & 0x000000ff), fptr);
|
|
fprintf(fptr, "AIFF");
|
|
|
|
// Write the common chunk
|
|
fprintf(fptr, "COMM");
|
|
fputc(0, fptr); // Size
|
|
fputc(0, fptr);
|
|
fputc(0, fptr);
|
|
fputc(18, fptr);
|
|
fputc(0, fptr); // Channels = 1
|
|
fputc(1, fptr);
|
|
fputc((nsamples & 0xff000000) >> 24, fptr); // Samples
|
|
fputc((nsamples & 0x00ff0000) >> 16, fptr);
|
|
fputc((nsamples & 0x0000ff00) >> 8, fptr);
|
|
fputc((nsamples & 0x000000ff), fptr);
|
|
fputc(0, fptr); // Size = 16
|
|
fputc(bits, fptr);
|
|
|
|
ConvertToIeeeExtended(nfreq, bit80);
|
|
for (i = 0; i < 10; i++)
|
|
fputc(bit80[i], fptr);
|
|
|
|
// Write the sound data chunk
|
|
fprintf(fptr, "SSND");
|
|
fputc((((bits / 8) * nsamples + 8) & 0xff000000) >> 24, fptr); // Size
|
|
fputc((((bits / 8) * nsamples + 8) & 0x00ff0000) >> 16, fptr);
|
|
fputc((((bits / 8) * nsamples + 8) & 0x0000ff00) >> 8, fptr);
|
|
fputc((((bits / 8) * nsamples + 8) & 0x000000ff), fptr);
|
|
fputc(0, fptr); // Offset
|
|
fputc(0, fptr);
|
|
fputc(0, fptr);
|
|
fputc(0, fptr);
|
|
fputc(0, fptr); // Block
|
|
fputc(0, fptr);
|
|
fputc(0, fptr);
|
|
fputc(0, fptr);
|
|
|
|
// Find the range
|
|
themin = samples[0];
|
|
themax = themin;
|
|
for (i = 1; i < nsamples; i++) {
|
|
if (samples[i] > themax)
|
|
themax = samples[i];
|
|
if (samples[i] < themin)
|
|
themin = samples[i];
|
|
}
|
|
if (themin >= themax) {
|
|
themin -= 1;
|
|
themax += 1;
|
|
}
|
|
themid = (themin + themax) / 2;
|
|
themin -= themid;
|
|
themax -= themid;
|
|
if (ABS(themin) > ABS(themax))
|
|
themax = ABS(themin);
|
|
// scale = amp * 32760 / (themax);
|
|
scale = amp * ((bits == 16) ? 32760 : 124) / (themax);
|
|
|
|
// Write the data
|
|
for (i = 0; i < nsamples; i++) {
|
|
if (bits == 16) {
|
|
v = (unsigned short) (scale * (samples[i] - themid));
|
|
fputc((v & 0xff00) >> 8, fptr);
|
|
fputc((v & 0x00ff), fptr);
|
|
} else {
|
|
v = (unsigned char) (scale * (samples[i] - themid));
|
|
fputc(v, fptr);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
Write an WAVE sound file
|
|
Only do one channel, only support 16 bit.
|
|
Supports any (reasonable) sample frequency
|
|
Little/big endian independent!
|
|
*/
|
|
|
|
// egan: changed code to support 8 bit.
|
|
|
|
void Write_WAVE(FILE * fptr, double *samples, long nsamples, int nfreq, int bits, double amp)
|
|
{
|
|
unsigned short v;
|
|
int i;
|
|
unsigned long totalsize, bytespersec;
|
|
double themin, themax, scale, themid;
|
|
|
|
// Write the form chunk
|
|
fprintf(fptr, "RIFF");
|
|
totalsize = (bits / 8) * nsamples + 36;
|
|
fputc((totalsize & 0x000000ff), fptr); // File size
|
|
fputc((totalsize & 0x0000ff00) >> 8, fptr);
|
|
fputc((totalsize & 0x00ff0000) >> 16, fptr);
|
|
fputc((totalsize & 0xff000000) >> 24, fptr);
|
|
fprintf(fptr, "WAVE");
|
|
fprintf(fptr, "fmt "); // fmt_ chunk
|
|
fputc(16, fptr); // Chunk size
|
|
fputc(0, fptr);
|
|
fputc(0, fptr);
|
|
fputc(0, fptr);
|
|
fputc(1, fptr); // Format tag - uncompressed
|
|
fputc(0, fptr);
|
|
fputc(1, fptr); // Channels
|
|
fputc(0, fptr);
|
|
fputc((nfreq & 0x000000ff), fptr); // Sample frequency (Hz)
|
|
fputc((nfreq & 0x0000ff00) >> 8, fptr);
|
|
fputc((nfreq & 0x00ff0000) >> 16, fptr);
|
|
fputc((nfreq & 0xff000000) >> 24, fptr);
|
|
bytespersec = (bits / 8) * nfreq;
|
|
fputc((bytespersec & 0x000000ff), fptr); // Average bytes per second
|
|
fputc((bytespersec & 0x0000ff00) >> 8, fptr);
|
|
fputc((bytespersec & 0x00ff0000) >> 16, fptr);
|
|
fputc((bytespersec & 0xff000000) >> 24, fptr);
|
|
fputc((bits / 8), fptr); // Block alignment
|
|
fputc(0, fptr);
|
|
fputc(bits, fptr); // Bits per sample
|
|
fputc(0, fptr);
|
|
fprintf(fptr, "data");
|
|
totalsize = (bits / 8) * nsamples;
|
|
fputc((totalsize & 0x000000ff), fptr); // Data size
|
|
fputc((totalsize & 0x0000ff00) >> 8, fptr);
|
|
fputc((totalsize & 0x00ff0000) >> 16, fptr);
|
|
fputc((totalsize & 0xff000000) >> 24, fptr);
|
|
|
|
// Find the range
|
|
themin = samples[0];
|
|
themax = themin;
|
|
for (i = 1; i < nsamples; i++) {
|
|
if (samples[i] > themax)
|
|
themax = samples[i];
|
|
if (samples[i] < themin)
|
|
themin = samples[i];
|
|
}
|
|
if (themin >= themax) {
|
|
themin -= 1;
|
|
themax += 1;
|
|
}
|
|
themid = (themin + themax) / 2;
|
|
themin -= themid;
|
|
themax -= themid;
|
|
if (ABS(themin) > ABS(themax))
|
|
themax = ABS(themin);
|
|
// scale = amp * 32760 / (themax);
|
|
scale = amp * ((bits == 16) ? 32760 : 124) / (themax);
|
|
|
|
// Write the data
|
|
for (i = 0; i < nsamples; i++) {
|
|
if (bits == 16) {
|
|
v = (unsigned short) (scale * (samples[i] - themid));
|
|
fputc((v & 0x00ff), fptr);
|
|
fputc((v & 0xff00) >> 8, fptr);
|
|
} else {
|
|
v = (unsigned char) (scale * (samples[i] - themid));
|
|
fputc(v + 0x80, fptr);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* C O N V E R T T O I E E E E X T E N D E D
|
|
*/
|
|
|
|
/* Copyright (C) 1988-1991 Apple Computer, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Machine-independent I/O routines for IEEE floating-point numbers.
|
|
*
|
|
* NaN's and infinities are converted to HUGE_VAL or HUGE, which
|
|
* happens to be infinity on IEEE machines. Unfortunately, it is
|
|
* impossible to preserve NaN's in a machine-independent way.
|
|
* Infinities are, however, preserved on IEEE machines.
|
|
*
|
|
* These routines have been tested on the following machines:
|
|
* Apple Macintosh, MPW 3.1 C compiler
|
|
* Apple Macintosh, THINK C compiler
|
|
* Silicon Graphics IRIS, MIPS compiler
|
|
* Cray X/MP and Y/MP
|
|
* Digital Equipment VAX
|
|
*
|
|
*
|
|
* Implemented by Malcolm Slaney and Ken Turkowski.
|
|
*
|
|
* Malcolm Slaney contributions during 1988-1990 include big- and little-
|
|
* endian file I/O, conversion to and from Motorola's extended 80-bit
|
|
* floating-point format, and conversions to and from IEEE single-
|
|
* precision floating-point format.
|
|
*
|
|
* In 1991, Ken Turkowski implemented the conversions to and from
|
|
* IEEE double-precision format, added more precision to the extended
|
|
* conversions, and accommodated conversions involving +/- infinity,
|
|
* NaN's, and denormalized numbers.
|
|
*/
|
|
|
|
#ifndef HUGE_VAL
|
|
#define HUGE_VAL HUGE
|
|
#endif /*HUGE_VAL */
|
|
|
|
#define FloatToUnsigned(f) ((unsigned long)(((long)(f - 2147483648.0)) + 2147483647L) + 1)
|
|
|
|
void ConvertToIeeeExtended(double num, unsigned char *bytes)
|
|
{
|
|
int sign;
|
|
int expon;
|
|
double fMant, fsMant;
|
|
unsigned long hiMant, loMant;
|
|
|
|
if (num < 0) {
|
|
sign = 0x8000;
|
|
num *= -1;
|
|
} else {
|
|
sign = 0;
|
|
}
|
|
|
|
if (num == 0) {
|
|
expon = 0;
|
|
hiMant = 0;
|
|
loMant = 0;
|
|
} else {
|
|
fMant = frexp(num, &expon);
|
|
if ((expon > 16384) || !(fMant < 1)) { /* Infinity or NaN */
|
|
expon = sign | 0x7FFF;
|
|
hiMant = 0;
|
|
loMant = 0; /* infinity */
|
|
} else { /* Finite */
|
|
expon += 16382;
|
|
if (expon < 0) { /* denormalized */
|
|
fMant = ldexp(fMant, expon);
|
|
expon = 0;
|
|
}
|
|
expon |= sign;
|
|
fMant = ldexp(fMant, 32);
|
|
fsMant = floor(fMant);
|
|
hiMant = FloatToUnsigned(fsMant);
|
|
fMant = ldexp(fMant - fsMant, 32);
|
|
fsMant = floor(fMant);
|
|
loMant = FloatToUnsigned(fsMant);
|
|
}
|
|
}
|
|
|
|
bytes[0] = expon >> 8;
|
|
bytes[1] = expon;
|
|
bytes[2] = hiMant >> 24;
|
|
bytes[3] = hiMant >> 16;
|
|
bytes[4] = hiMant >> 8;
|
|
bytes[5] = hiMant;
|
|
bytes[6] = loMant >> 24;
|
|
bytes[7] = loMant >> 16;
|
|
bytes[8] = loMant >> 8;
|
|
bytes[9] = loMant;
|
|
}
|
|
|
|
uint8_t read6502(uint16_t address)
|
|
{
|
|
return ram[address];
|
|
}
|
|
|
|
void write6502(uint16_t address, uint8_t value)
|
|
{
|
|
ram[address] = value;
|
|
}
|