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#include "spasm.h"
#include "fcaseopen.h"
int rawArgc = 0;
char rawArgv[64][128];
char *curText;
char *curLine;
FILE *asmOut;
int line_number;
char *fileBuffer;
unsigned int fileBufferSize;
int open_case_sensitive = 0;
static void titlecard(void)
{
printf("nv-spASM version 0.34.1 (c) 2014-2015 nextvolume\n");
}
static void usage(char *prog_name)
{
titlecard();
printf("Assembler for the Sony PlayStation\n");
printf("\n");
printf("Usage: %s [options] infile outfile\n", prog_name);
printf("\n");
printf("Options: -b create binary file instead of PS-X EXE\n");
printf(" -N do not pad executable\n");
printf(" -S be case sensitive on file paths\n");
printf("\n");
}
FILE *spasm_fopen(const char *path, const char *mode)
{
if(open_case_sensitive)
return fopen(path, mode);
return fcaseopen(path, mode);
}
int main(int argc, char *argv[])
{
int sz;
int farg=1;
int bfile=0;
int no_newline=0;
int no_pad=0;
if(argc < 3)
{
usage(argv[0]);
return EXIT_SUCCESS;
}
while(argv[farg][0] == '-')
{
if(strcmp(argv[farg], "-b") == 0)
bfile = 1; // Generate binary file
else if(strcmp(argv[farg], "-N") == 0)
no_pad = 1;
else if(strcmp(argv[farg], "-S") == 0)
open_case_sensitive = 1;
else
{
usage(argv[0]);
return EXIT_FAILURE;
}
farg++;
}
FILE *f = spasm_fopen(argv[farg], "rb");
if(!f)
{
printf("Could not open file %s for reading! Exiting.\n", argv[farg]);
return EXIT_FAILURE;
}
fseek(f, 0, SEEK_END);
sz = ftell(f);
fseek(f, 0, SEEK_SET);
fileBufferSize = sz + 2; // two newline bytes + two NUL bytes
fileBuffer = malloc(fileBufferSize);
fread(fileBuffer, sizeof(char), sz, f);
if(fileBuffer[sz-1] != '\n')
no_newline = 1;
fileBuffer[sz] = '\n';
fileBuffer[sz+1] = '\0';
//fileBuffer = process_includes(fileBuffer);
fclose(f);
asmOut = fopen(argv[farg+1], "wb");
if(!asmOut)
{
printf("Could not open file %s for writing! Exiting.\n", argv[farg+1]);
return EXIT_FAILURE;
}
startAddress = 0x80010000;
titlecard();
if(no_newline)
printf("Warning: No newline found at end of file.\n");
printf("\nPass 1\n");
codegen_init();
fileBuffer = spasm_parser(fileBuffer, -1);
fileBuffer = spasm_parser(fileBuffer, 0);
/*if(!org_found)
{
printf("Warning: no ORG directive found... defaulting to $80010000\n");
startAddress = 0x80010000;
}*/
curPc = startAddress;
printf("Pass 2\n");
printf("Writing output file %s ...\n", argv[farg+1]);
if(!bfile)
OUTSEEK(0x800);
fileBuffer = spasm_parser(fileBuffer, 1);
if(!bfile)
{
OUTSEEK(0x0);
OUTSTRING("\"PS-X EXE\""); // PSX-EXE magic
OUTSEEK(0x10);
OUTWORD(startAddress); // Initial program counter
OUTSEEK(0x18);
OUTWORD(startAddress); // Text section start address
OUTSEEK(0x30);
OUTWORD(0x801FFFF0); // Initial stack pointer
sz = OUTSIZE();
if(!no_pad && (sz & 2047)) // Pad executable
{
sz |= 2047;
sz++;
OUTSEEK(sz-1);
OUTBYTE(0);
}
OUTSEEK(0x1C);
OUTWORD(sz - 0x800); // Output size of text section
}
printf("\nAssembly complete\n\n");
fclose(asmOut);
return EXIT_SUCCESS;
}
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