95 lines
1.6 KiB
C++
95 lines
1.6 KiB
C++
#include <stdarg.h>
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#include <SPI.h>
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#include <r65emu.h>
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#include <r6502.h>
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#include "pia.h"
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#include "io.h"
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#include "config.h"
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#if defined(KRUSADER)
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#include "roms/krusader6502.h"
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prom b(krusader6502, sizeof(krusader6502));
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#else
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#include "roms/basic.h"
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#include "roms/monitor.h"
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prom b(basic, sizeof(basic));
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prom m(monitor, sizeof(monitor));
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#endif
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ram pages[RAM_SIZE / 1024];
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flash_filer files(PROGRAMS);
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io io(files);
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r6502 cpu(memory);
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const char *filename;
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void reset() {
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bool sd = hardware_reset();
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io.reset();
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if (sd)
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io.files.start();
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else
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io.status("No SD Card");
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}
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void setup() {
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Serial.begin(115200);
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hardware_init(cpu);
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for (unsigned i = 0; i < RAM_SIZE; i += 1024)
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memory.put(pages[i / 1024], i);
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#if defined(USE_SPIRAM)
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memory.put(sram, SPIRAM_BASE, SPIRAM_EXTENT);
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#endif
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memory.put(io, 0xd000);
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#if defined(KRUSADER)
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memory.put(b, 0xe000);
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#else
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memory.put(b, 0xe000);
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memory.put(m, 0xff00);
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#endif
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reset();
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}
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void loop() {
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if (ps2.available()) {
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unsigned scan = ps2.read2();
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byte key = scan & 0xff;
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if (is_down(scan))
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io.down(key);
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else
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switch (key) {
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case PS2_F1:
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reset();
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break;
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case PS2_F2:
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filename = io.files.advance();
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io.status(filename);
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break;
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case PS2_F3:
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filename = io.files.rewind();
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io.status(filename);
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break;
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case PS2_F4:
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io.load();
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break;
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case PS2_F6:
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io.status(io.files.checkpoint());
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break;
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case PS2_F7:
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if (filename)
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io.files.restore(filename);
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break;
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default:
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io.up(key);
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break;
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}
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} else if (!cpu.halted())
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cpu.run(CPU_INSTRUCTIONS);
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}
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