mirror of
https://github.com/jscrane/Apple1.git
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97 lines
1.7 KiB
C++
97 lines
1.7 KiB
C++
#include <stdarg.h>
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#include <SPI.h>
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#include <SD.h>
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#include <SpiRAM.h>
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#include <UTFT.h>
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#include <r65emu.h>
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#include "roms/basic.h"
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#include "roms/monitor.h"
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#include "io.h"
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#include "config.h"
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prom b(basic, sizeof(basic));
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prom m(monitor, sizeof(monitor));
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ram pages[RAM_SIZE / 1024];
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io io;
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void status(const char *fmt, ...) {
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char tmp[256];
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va_list args;
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va_start(args, fmt);
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vsnprintf(tmp, sizeof(tmp), fmt, args);
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Serial.println(tmp);
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io.clear();
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io.error(tmp);
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va_end(args);
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}
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jmp_buf ex;
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r6502 cpu(&memory, &ex, status);
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bool halted = false;
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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.tape.start(PROGRAMS);
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else
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io.status("No SD Card");
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halted = (setjmp(ex) != 0);
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}
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void setup() {
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Serial.begin(115200);
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Serial.println("hello world");
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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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memory.put(sram, SPIRAM_BASE, SPIRAM_EXTENT);
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memory.put(io, 0xd000);
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memory.put(b, 0xe000);
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memory.put(m, 0xff00);
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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 key = ps2.read();
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if (!ps2.isbreak())
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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.tape.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.tape.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(checkpoint(io.tape, PROGRAMS));
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break;
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case PS2_F7:
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if (filename)
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restore(io.tape, PROGRAMS, 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 (!halted)
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cpu.run(CPU_INSTRUCTIONS);
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}
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