mirror of
https://github.com/hsoft/collapseos.git
synced 2024-11-01 23:20:56 +11:00
e846d07238
Make LATEST configurable through a value in the binary instead of through a ZASM constant. This enables the simple concatenation of compiled dicts and simplifies the build process.
100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <termios.h>
|
|
#include "../emul.h"
|
|
#include "forth1-bin.h"
|
|
|
|
// in sync with glue.asm
|
|
#define RAMSTART 0x900
|
|
#define STDIO_PORT 0x00
|
|
// This binary is also used for automated tests and those tests, when
|
|
// failing, send a non-zero value to RET_PORT to indicate failure
|
|
#define RET_PORT 0x01
|
|
|
|
static int running;
|
|
static FILE *fp;
|
|
static int retcode = 0;
|
|
|
|
static uint8_t iord_stdio()
|
|
{
|
|
int c = getc(fp);
|
|
if (c == EOF) {
|
|
running = 0;
|
|
}
|
|
return (uint8_t)c;
|
|
}
|
|
|
|
static void iowr_stdio(uint8_t val)
|
|
{
|
|
if (val == 0x04) { // CTRL+D
|
|
running = 0;
|
|
} else {
|
|
putchar(val);
|
|
}
|
|
}
|
|
|
|
static void iowr_ret(uint8_t val)
|
|
{
|
|
retcode = val;
|
|
}
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
bool tty = false;
|
|
struct termios termInfo;
|
|
if (argc == 2) {
|
|
fp = fopen(argv[1], "r");
|
|
if (fp == NULL) {
|
|
fprintf(stderr, "Can't open %s\n", argv[1]);
|
|
return 1;
|
|
}
|
|
} else if (argc == 1) {
|
|
fp = stdin;
|
|
tty = isatty(fileno(stdin));
|
|
if (tty) {
|
|
// Turn echo off: the shell takes care of its own echoing.
|
|
if (tcgetattr(0, &termInfo) == -1) {
|
|
printf("Can't setup terminal.\n");
|
|
return 1;
|
|
}
|
|
termInfo.c_lflag &= ~ECHO;
|
|
termInfo.c_lflag &= ~ICANON;
|
|
tcsetattr(0, TCSAFLUSH, &termInfo);
|
|
}
|
|
} else {
|
|
fprintf(stderr, "Usage: ./forth [filename]\n");
|
|
return 1;
|
|
}
|
|
Machine *m = emul_init();
|
|
m->ramstart = RAMSTART;
|
|
m->iord[STDIO_PORT] = iord_stdio;
|
|
m->iowr[STDIO_PORT] = iowr_stdio;
|
|
m->iowr[RET_PORT] = iowr_ret;
|
|
// initialize memory
|
|
for (int i=0; i<sizeof(KERNEL); i++) {
|
|
m->mem[i] = KERNEL[i];
|
|
}
|
|
|
|
// Our binaries don't have their LATEST offset set yet. We do this
|
|
// on the fly, which is the simplest way to proceed ( bash script to update
|
|
// LATEST after compilation is too simplicated )
|
|
m->mem[0x08] = sizeof(KERNEL) & 0xff;
|
|
m->mem[0x09] = sizeof(KERNEL) >> 8;
|
|
// Run!
|
|
running = 1;
|
|
|
|
while (running && emul_step());
|
|
|
|
if (tty) {
|
|
printf("\nDone!\n");
|
|
termInfo.c_lflag |= ECHO;
|
|
termInfo.c_lflag |= ICANON;
|
|
tcsetattr(0, TCSAFLUSH, &termInfo);
|
|
emul_printdebug();
|
|
}
|
|
fclose(fp);
|
|
return retcode;
|
|
}
|