kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
117 wiersze
3.4 KiB
C
117 wiersze
3.4 KiB
C
/*
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Copyright Frank Bösing, 2017
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This file is part of Teensy64.
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Teensy64 is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Teensy64 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Teensy64. If not, see <http://www.gnu.org/licenses/>.
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Diese Datei ist Teil von Teensy64.
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Teensy64 ist Freie Software: Sie können es unter den Bedingungen
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der GNU General Public License, wie von der Free Software Foundation,
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Version 3 der Lizenz oder (nach Ihrer Wahl) jeder späteren
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veröffentlichten Version, weiterverbreiten und/oder modifizieren.
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Teensy64 wird in der Hoffnung, dass es nützlich sein wird, aber
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OHNE JEDE GEWÄHRLEISTUNG, bereitgestellt; sogar ohne die implizite
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Gewährleistung der MARKTFÄHIGKEIT oder EIGNUNG FÜR EINEN BESTIMMTEN ZWECK.
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Siehe die GNU General Public License für weitere Details.
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Sie sollten eine Kopie der GNU General Public License zusammen mit diesem
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Programm erhalten haben. Wenn nicht, siehe <http://www.gnu.org/licenses/>.
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*/
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#ifndef Teensy64_h_
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#define Teensy64_h_
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include "pico/stdlib.h"
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#define F_CPU 140000000.0
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#define F_BUS 140000000.0
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#include "settings.h"
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#define VERSION "09"
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#define NTSC (!PAL)
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#define USBHOST (!PS2KEYBOARD)
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extern "C" {
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#include "emuapi.h"
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}
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inline unsigned long millis() {
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return (to_ms_since_boot(get_absolute_time ()));
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}
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void initMachine();
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void resetMachine() __attribute__ ((noreturn));
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void resetExternal();
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unsigned loadFile(const char *filename);
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#if PAL == 1
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#define CRYSTAL 17734475.0f
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#define CLOCKSPEED ( CRYSTAL / 18.0f) // 985248,61 Hz
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#define CYCLESPERRASTERLINE 63
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#define LINECNT 312 //Rasterlines
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#define VBLANK_FIRST 300
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#define VBLANK_LAST 15
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#else
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#define CRYSTAL 14318180.0f
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#define CLOCKSPEED ( CRYSTAL / 14.0f) // 1022727,14 Hz
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#define CYCLESPERRASTERLINE 64
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#define LINECNT 263 //Rasterlines
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#define VBLANK_FIRST 13
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#define VBLANK_LAST 40
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#endif
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#define LINEFREQ (CLOCKSPEED / CYCLESPERRASTERLINE) //Hz
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#define REFRESHRATE (LINEFREQ / LINECNT) //Hz
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#define LINETIMER_DEFAULT_FREQ (1000000.0f/LINEFREQ)
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// Exact timing disabled!!! JMH
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//#define MCU_C64_RATIO ((float)F_CPU / CLOCKSPEED) //MCU Cycles per C64 Cycle
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#define US_C64_CYCLE (1000000.0f / CLOCKSPEED) // Duration (µs) of a C64 Cycle
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#define AUDIOSAMPLERATE (LINEFREQ * 2)// (~32kHz)
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#define ISR_PRIORITY_RASTERLINE 255
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#if 0
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#define WRITE_ATN_CLK_DATA(value) { \
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digitalWriteFast(PIN_SERIAL_ATN, (~value & 0x08));\//PTA13 IEC ATN 3
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digitalWriteFast(PIN_SERIAL_CLK, (~value & 0x10)); \ //PTA14 IEC CLK 4
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digitalWriteFast(PIN_SERIAL_DATA, (~value & 0x20)); \ //PTA15 IEC DATA 5
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}
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#define READ_CLK_DATA() \
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((digitalReadFast(PIN_SERIAL_CLK) << 6) | \
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(digitalReadFast(PIN_SERIAL_DATA) << 7))
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#else
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#define WRITE_ATN_CLK_DATA(value) {}
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#define READ_CLK_DATA() (0)
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#endif
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#include "output_dac.h"
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#include "cpu.h"
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#endif
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