141 lines
4.3 KiB
C++
141 lines
4.3 KiB
C++
// (C) 2018-2024 by Folkert van Heusden
|
|
// Released under MIT license
|
|
|
|
#pragma once
|
|
|
|
#include "gen.h"
|
|
#include <ArduinoJson.h>
|
|
#include <assert.h>
|
|
#include <mutex>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
|
|
#include "device.h"
|
|
#include "dc11.h"
|
|
#include "mmu.h"
|
|
#include "rk05.h"
|
|
#include "rl02.h"
|
|
#include "rp06.h"
|
|
#include "tm-11.h"
|
|
|
|
#if defined(BUILD_FOR_RP2040)
|
|
#include "rp2040.h"
|
|
#endif
|
|
|
|
#define ADDR_MMR0 0177572
|
|
#define ADDR_MMR1 0177574
|
|
#define ADDR_MMR2 0177576
|
|
#define ADDR_MMR3 0172516
|
|
|
|
#define ADDR_PIR 0177772
|
|
#define ADDR_LFC 0177546 // line frequency
|
|
#define ADDR_MAINT 0177750
|
|
#define ADDR_CONSW 0177570
|
|
#define ADDR_LP11CSR 0177514 // printer
|
|
|
|
#define ADDR_PSW 0177776
|
|
#define ADDR_STACKLIM 0177774
|
|
#define ADDR_KERNEL_R 0177700
|
|
#define ADDR_USER_R 0177710
|
|
#define ADDR_KERNEL_SP 0177706
|
|
#define ADDR_PC 0177707
|
|
#define ADDR_SV_SP 0177716
|
|
#define ADDR_USER_SP 0177717
|
|
|
|
#define ADDR_CPU_ERR 0177766
|
|
#define ADDR_SYSSIZE 0177760
|
|
#define ADDR_MICROPROG_BREAK_REG 0177770
|
|
#define ADDR_CCR 0177746
|
|
#define ADDR_SYSTEM_ID 0177764
|
|
|
|
class console;
|
|
class cpu;
|
|
class kw11_l;
|
|
class memory;
|
|
class tm_11;
|
|
class tty;
|
|
|
|
typedef struct {
|
|
bool is_psw;
|
|
} write_rc_t;
|
|
|
|
class bus: public device
|
|
{
|
|
private:
|
|
cpu *c { nullptr };
|
|
tm_11 *tm11 { nullptr };
|
|
rk05 *rk05_ { nullptr };
|
|
rl02 *rl02_ { nullptr };
|
|
tty *tty_ { nullptr };
|
|
kw11_l *kw11_l_ { nullptr };
|
|
mmu *mmu_ { nullptr };
|
|
memory *m { nullptr };
|
|
dc11 *dc11_ { nullptr };
|
|
rp06 *rp06_ { nullptr };
|
|
|
|
uint16_t microprogram_break_register { 0 };
|
|
|
|
uint16_t console_switches { 0 };
|
|
uint16_t console_leds { 0 };
|
|
|
|
public:
|
|
bus();
|
|
~bus();
|
|
|
|
JsonDocument serialize() const;
|
|
static bus *deserialize(const JsonDocument j, console *const cnsl, std::atomic_uint32_t *const event);
|
|
|
|
void reset() override;
|
|
void init(); // invoked by 'RESET' command
|
|
|
|
void show_state(console *const cnsl) const override;
|
|
|
|
void set_console_switches(const uint16_t new_state) { console_switches = new_state; }
|
|
void set_console_switch(const int bit, const bool state) { console_switches &= ~(1 << bit); console_switches |= state << bit; }
|
|
uint16_t get_console_switches() { return console_switches; }
|
|
void set_debug_mode() { console_switches |= 128; }
|
|
uint16_t get_console_leds() { return console_leds; }
|
|
|
|
void set_memory_size(const int n_pages);
|
|
|
|
void add_ram (memory *const m );
|
|
void add_cpu (cpu *const c );
|
|
void add_mmu (mmu *const mmu_ );
|
|
void add_tm11 (tm_11 *const tm11 );
|
|
void add_rk05 (rk05 *const rk05_ );
|
|
void add_rl02 (rl02 *const rl02_ );
|
|
void add_tty (tty *const tty_ );
|
|
void add_KW11_L(kw11_l *const kw11_l_);
|
|
void add_DC11 (dc11 *const dc11_ );
|
|
// required to release devices when doing a reload
|
|
void del_DC11 ();
|
|
void add_RP06 (rp06 *const rp06_ );
|
|
|
|
memory *getRAM() { return m; }
|
|
cpu *getCpu() { return c; }
|
|
kw11_l *getKW11_L() { return kw11_l_; }
|
|
tty *getTty() { return tty_; }
|
|
mmu *getMMU() { return mmu_; }
|
|
rk05 *getRK05() { return rk05_; }
|
|
rl02 *getRL02() { return rl02_; }
|
|
dc11 *getDC11() { return dc11_; }
|
|
tm_11 *getTM11() { return tm11; }
|
|
rp06 *getRP06() { return rp06_; }
|
|
|
|
uint16_t read(const uint16_t a, const word_mode_t word_mode, const rm_selection_t mode_selection, const bool peek_only=false, const d_i_space_t s = i_space);
|
|
uint8_t read_byte(const uint16_t a) override { return read(a, wm_byte, rm_cur); }
|
|
uint16_t read_word(const uint16_t a, const d_i_space_t s);
|
|
uint16_t read_word(const uint16_t a) override { return read_word(a, i_space); }
|
|
uint16_t peekWord(const uint16_t a);
|
|
uint8_t readUnibusByte(const uint32_t a);
|
|
uint16_t readPhysical(const uint32_t a);
|
|
|
|
write_rc_t write(const uint16_t a, const word_mode_t word_mode, uint16_t value, const rm_selection_t mode_selection, const d_i_space_t s = i_space);
|
|
void writeUnibusByte(const uint32_t a, const uint8_t value);
|
|
void write_byte(const uint16_t a, const uint8_t value) override { write(a, wm_byte, value, rm_cur); }
|
|
void write_word(const uint16_t a, const uint16_t value, const d_i_space_t s);
|
|
void write_word(const uint16_t a, const uint16_t value) override { write_word(a, value, i_space); }
|
|
void writePhysical(const uint32_t a, const uint16_t value);
|
|
|
|
bool is_psw(const uint16_t addr, const int run_mode, const d_i_space_t space) const;
|
|
};
|