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No commits in common. "8d3da4c0de00d5c7f4b98cc0710cb23c0af20624" and "d041b91846bc8906206212ab118602c7df9f7f96" have entirely different histories.
8d3da4c0de
...
d041b91846
@ -1,4 +1,4 @@
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TARGETS = forth stage blkfs
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TARGETS = forth stage
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OBJS = emul.o libz80/libz80.o
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BIN2C = ../tools/bin2c
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BLKPACK = ../tools/blkpack
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@ -18,14 +18,17 @@ $(BLKUNPACK): $(BLKPACK)
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forth-bin.h: $(BIN2C)
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$(BIN2C) KERNEL < forth.bin > $@
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stage: stage.c $(OBJS) forth-bin.h
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$(CC) stage.c -DBLKFS_PATH=\"`pwd`/blkfs\" $(OBJS) -o $@
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stage: stage.c $(OBJS) forth-bin.h blkfs-bin.h
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$(CC) stage.c $(OBJS) -o $@
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blkfs: $(BLKPACK)
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$(BLKPACK) ../blk > $@
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forth: forth.c $(OBJS) forth-bin.h
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$(CC) forth.c -DBLKFS_PATH=\"`pwd`/blkfs\" $(OBJS) -lncurses -o $@
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blkfs-bin.h: blkfs $(BIN2C)
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$(BIN2C) BLKFS < blkfs > $@
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forth: forth.c $(OBJS) forth-bin.h blkfs-bin.h
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$(CC) forth.c $(OBJS) -o $@
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libz80/libz80.o: libz80/z80.c
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$(MAKE) -C libz80/codegen opcodes
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@ -36,7 +39,7 @@ emul.o: emul.c
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.PHONY: updatebootstrap
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updatebootstrap: stage xcomp.fs pack
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updatebootstrap: stage xcomp.fs
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./stage < xcomp.fs > forth.bin
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.PHONY: pack
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@ -49,4 +52,5 @@ unpack:
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.PHONY: clean
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clean:
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rm -f $(TARGETS) emul.o *-bin.h blkfs
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rm -f $(TARGETS) emul.o *-bin.h stage{1,2}.bin blkfs
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$(MAKE) -C ../tools clean
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@ -3,11 +3,6 @@
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This folder contains a couple of tools running under the [libz80][libz80]
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emulator.
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## Requirements
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You need `ncurses` to build the `forth` executable. In debian-based distros,
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it's `libncurses5-dev`.
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## Not real hardware
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In the few emulated apps described below, we don't try to emulate real hardware
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@ -25,7 +20,7 @@ First, make sure that the `libz80` git submodule is checked out. If not, run
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After that, you can run `make` and it builds the `forth` interpreter.
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Run `./forth` to get the Collapse OS prompt. Type `0 LIST` for help.
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Run `./forth` to get the COllapse OS prompt. Type `0 LIST` for help.
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## Problems?
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91
emul/forth.c
91
emul/forth.c
@ -1,10 +1,10 @@
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#include <stdint.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <curses.h>
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#include <termios.h>
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#include "emul.h"
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#include "forth-bin.h"
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#include "blkfs-bin.h"
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// in sync with glue.asm
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#define RAMSTART 0x900
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@ -24,12 +24,7 @@ static uint16_t blkid = 0;
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static uint8_t iord_stdio()
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{
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int c;
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if (fp != NULL) {
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c = getc(fp);
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} else {
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c = getch();
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}
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int c = getc(fp);
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if (c == EOF) {
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c = 4; // ASCII EOT
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}
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@ -38,13 +33,7 @@ static uint8_t iord_stdio()
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static void iowr_stdio(uint8_t val)
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{
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if (fp != NULL) {
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putchar(val);
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} else {
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if (val >= 0x20 || val == '\n') {
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echochar(val);
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}
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}
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}
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static void iowr_ret(uint8_t val)
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@ -80,17 +69,41 @@ static void iowr_blkdata(uint8_t val)
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}
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}
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int run()
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int main(int argc, char *argv[])
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{
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#ifdef BLKFS_PATH
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fprintf(stderr, "Using blkfs %s\n", BLKFS_PATH);
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blkfp = fopen(BLKFS_PATH, "r+");
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if (!blkfp) {
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fprintf(stderr, "Can't open\n");
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bool tty = false;
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struct termios termInfo;
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if (argc == 2) {
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fp = fopen(argv[1], "r");
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if (fp == NULL) {
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fprintf(stderr, "Can't open %s\n", argv[1]);
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return 1;
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}
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} else if (argc == 1) {
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fp = stdin;
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tty = isatty(fileno(stdin));
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if (tty) {
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// Turn echo off: the shell takes care of its own echoing.
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if (tcgetattr(0, &termInfo) == -1) {
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printf("Can't setup terminal.\n");
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return 1;
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}
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termInfo.c_lflag &= ~ECHO;
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termInfo.c_lflag &= ~ICANON;
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tcsetattr(0, TCSAFLUSH, &termInfo);
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}
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} else {
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fprintf(stderr, "Usage: ./forth [filename]\n");
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return 1;
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}
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blkfp = fopen("blkfs", "r+");
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if (blkfp) {
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fprintf(stderr, "Using blkfs file\n");
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} else {
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blkfp = fmemopen((char*)BLKFS, sizeof(BLKFS), "r");
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fprintf(stderr, "Using in-memory read-only blkfs\n");
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}
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#else
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blkfp = NULL;
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#endif
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Machine *m = emul_init();
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m->ramstart = RAMSTART;
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m->iord[STDIO_PORT] = iord_stdio;
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@ -107,34 +120,16 @@ int run()
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// Run!
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while (emul_step());
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if (tty) {
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printf("\nDone!\n");
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termInfo.c_lflag |= ECHO;
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termInfo.c_lflag |= ICANON;
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tcsetattr(0, TCSAFLUSH, &termInfo);
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emul_printdebug();
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}
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if (blkfp != NULL) {
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fclose(blkfp);
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}
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fclose(fp);
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return retcode;
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}
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int main(int argc, char *argv[])
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{
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if (argc == 2) {
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fp = fopen(argv[1], "r");
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if (fp == NULL) {
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fprintf(stderr, "Can't open %s\n", argv[1]);
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return 1;
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}
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int ret = run();
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fclose(fp);
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return ret;
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} else if (argc == 1) {
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fp = NULL;
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initscr(); cbreak(); noecho(); nl(); clear();
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scrollok(stdscr, 1);
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int ret = run();
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nocbreak(); echo(); endwin();
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printf("\nDone!\n");
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emul_printdebug();
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return ret;
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} else {
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fprintf(stderr, "Usage: ./forth [filename]\n");
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return 1;
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}
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}
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17
emul/stage.c
17
emul/stage.c
@ -3,10 +3,7 @@
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#include <unistd.h>
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#include "emul.h"
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#include "forth-bin.h"
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#ifndef BLKFS_PATH
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#error BLKFS_PATH needed
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#endif
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#include "blkfs-bin.h"
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/* Staging binaries
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@ -40,7 +37,7 @@ static int running;
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static uint16_t start_here = 0;
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static uint16_t end_here = 0;
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static uint16_t blkid = 0;
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static FILE *blkfp;
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static unsigned int blkpos = 0;
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static uint8_t iord_stdio()
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{
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@ -68,22 +65,16 @@ static void iowr_blk(uint8_t val)
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{
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blkid <<= 8;
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blkid |= val;
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fseek(blkfp, blkid*1024, SEEK_SET);
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blkpos = blkid * 1024;
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}
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static uint8_t iord_blkdata()
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{
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return getc(blkfp);
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return BLKFS[blkpos++];
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}
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int main(int argc, char *argv[])
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{
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fprintf(stderr, "Using blkfs %s\n", BLKFS_PATH);
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blkfp = fopen(BLKFS_PATH, "r+");
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if (!blkfp) {
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fprintf(stderr, "Can't open\n");
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return 1;
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}
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Machine *m = emul_init();
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m->ramstart = RAMSTART;
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m->iord[STDIO_PORT] = iord_stdio;
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