Apple1-esp/Apple1.ino
2021-02-20 09:13:46 +00:00

113 lines
2.0 KiB
C++

#include <stdarg.h>
#include <SPI.h>
#include <r65emu.h>
#include <r6502.h>
#include "pia.h"
#include "io.h"
#include "config.h"
#if defined(KRUSADER)
#include "roms/krusader6502.h"
prom k(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_PAGES];
//socket_filer files("apple1");
flash_filer files(PROGRAMS);
io io(files);
r6502 cpu(memory);
const char *filename;
void reset() {
bool ok = hardware_reset();
io.reset();
if (!ok) {
io.status("Reset failed");
return;
}
io.files.start();
#if defined(KRUSADER)
io.status("Krusader: F000R / Basic: E000R");
#else
io.status("Basic: E000R");
#endif
}
void setup() {
#if defined(DEBUGGING) || defined(CPU_DEBUG)
Serial.begin(TERMINAL_SPEED);
Serial.println();
Serial.printf("RAM: %dkB at 0x0000", RAM_PAGES);
Serial.println();
#if defined(USE_SPIRAM)
Serial.printf("SpiRAM: %dkB at 0x%04x", SPIRAM_EXTENT * Memory::page_size / 1024, SPIRAM_BASE);
Serial.println();
#endif
#endif
hardware_init(cpu);
for (unsigned i = 0; i < RAM_PAGES; i++)
memory.put(pages[i], i * ram::page_size);
#if defined(USE_SPIRAM)
memory.put(sram, SPIRAM_BASE, SPIRAM_EXTENT);
#endif
memory.put(io, 0xd000);
#if defined(KRUSADER)
memory.put(k, 0xe000);
#else
memory.put(b, 0xe000);
memory.put(m, 0xff00);
#endif
reset();
}
void loop() {
if (ps2.available()) {
unsigned scan = ps2.read2();
byte key = scan & 0xff;
if (is_down(scan))
io.down(key);
else
switch (key) {
case PS2_F1:
reset();
break;
case PS2_F2:
filename = io.files.advance();
io.status(filename);
break;
case PS2_F3:
filename = io.files.rewind();
io.status(filename);
break;
case PS2_F4:
io.load();
break;
case PS2_F6:
io.status(io.files.checkpoint());
break;
case PS2_F7:
if (filename)
io.files.restore(filename);
break;
default:
io.up(key);
break;
}
} else if (!cpu.halted())
cpu.run(CPU_INSTRUCTIONS);
}