108 lines
1.8 KiB
C++
108 lines
1.8 KiB
C++
#include <stdarg.h>
|
|
#include <SPI.h>
|
|
#include <SD.h>
|
|
#include <SpiRAM.h>
|
|
#include <UTFT.h>
|
|
#include <r65emu.h>
|
|
|
|
#include "pia.h"
|
|
#include "io.h"
|
|
#include "config.h"
|
|
|
|
#if defined(KRUSADER)
|
|
#include "roms/krusader6502.h"
|
|
prom b(krusader6502, sizeof(krusader6502));
|
|
#else
|
|
#include "roms/basic.h"
|
|
#include "roms/monitor.h"
|
|
prom b(basic, sizeof(basic));
|
|
prom m(monitor, sizeof(monitor));
|
|
#endif
|
|
|
|
ram pages[RAM_SIZE / 1024];
|
|
io io;
|
|
|
|
void status(const char *fmt, ...) {
|
|
char tmp[256];
|
|
va_list args;
|
|
va_start(args, fmt);
|
|
vsnprintf(tmp, sizeof(tmp), fmt, args);
|
|
Serial.println(tmp);
|
|
io.clear();
|
|
io.error(tmp);
|
|
va_end(args);
|
|
}
|
|
|
|
jmp_buf ex;
|
|
r6502 cpu(&memory, &ex, status);
|
|
bool halted = false;
|
|
const char *filename;
|
|
|
|
void reset() {
|
|
bool sd = hardware_reset();
|
|
|
|
io.reset();
|
|
if (sd)
|
|
io.tape.start(PROGRAMS);
|
|
else
|
|
io.status("No SD Card");
|
|
|
|
halted = (setjmp(ex) != 0);
|
|
}
|
|
|
|
void setup() {
|
|
Serial.begin(115200);
|
|
Serial.println("hello world");
|
|
hardware_init(cpu);
|
|
|
|
for (unsigned i = 0; i < RAM_SIZE; i += 1024)
|
|
memory.put(pages[i / 1024], i);
|
|
|
|
memory.put(sram, SPIRAM_BASE, SPIRAM_EXTENT);
|
|
memory.put(io, 0xd000);
|
|
#if defined(KRUSADER)
|
|
memory.put(b, 0xe000);
|
|
#else
|
|
memory.put(b, 0xe000);
|
|
memory.put(m, 0xff00);
|
|
#endif
|
|
|
|
reset();
|
|
}
|
|
|
|
void loop() {
|
|
if (ps2.available()) {
|
|
unsigned key = ps2.read();
|
|
if (!ps2.isbreak())
|
|
io.down(key);
|
|
else
|
|
switch (key) {
|
|
case PS2_F1:
|
|
reset();
|
|
break;
|
|
case PS2_F2:
|
|
filename = io.tape.advance();
|
|
io.status(filename);
|
|
break;
|
|
case PS2_F3:
|
|
filename = io.tape.rewind();
|
|
io.status(filename);
|
|
break;
|
|
case PS2_F4:
|
|
io.load();
|
|
break;
|
|
case PS2_F6:
|
|
io.status(checkpoint(io.tape, PROGRAMS));
|
|
break;
|
|
case PS2_F7:
|
|
if (filename)
|
|
restore(io.tape, PROGRAMS, filename);
|
|
break;
|
|
default:
|
|
io.up(key);
|
|
break;
|
|
}
|
|
} else if (!halted)
|
|
cpu.run(CPU_INSTRUCTIONS);
|
|
}
|