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misc esp32 tweaks

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This commit is contained in:
folkert van heusden 2022-03-17 21:22:26 +01:00
parent 5184c100d9
commit d9a56801f7
4 changed files with 24 additions and 20 deletions
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14
bus.cpp
View file

@ -13,19 +13,19 @@
#include "tm-11.h"
#include "tty.h"
bus::bus() : c(nullptr), tm11(nullptr), rk05_(nullptr), rx02_(nullptr), tty_(nullptr)
{
#if defined(ESP32)
// ESP32 goes in a crash-loop when allocating 128kB
// see also https://github.com/espressif/esp-idf/issues/1934
int n = 12;
constexpr int n_pages = 12;
#else
int n = 16;
constexpr int n_pages = 16;
#endif
m = new memory(n * 8192);
bus::bus() : c(nullptr), tm11(nullptr), rk05_(nullptr), rx02_(nullptr), tty_(nullptr)
{
m = new memory(n_pages * 8192);
for(int i=0; i<n; i++) {
for(int i=0; i<n_pages; i++) {
pages[i].par = (i & 7) * 8192 / 64;
pages[i].pdr = (3 << 1) | (0 << 4) | (0 << 6) | ((8192 / (32 * 2)) << 8);
}
@ -241,7 +241,7 @@ uint16_t bus::read(const uint16_t a, const bool word_mode, const bool use_prev)
D(fprintf(stderr, "UNHANDLED read %o(%c)\n", a, word_mode ? 'B' : ' ');)
if (a == 0177760)
return 0167777; // TODO; get this from memory.cpp min(memsize, 64kB - 4kB)
return std::min(n_pages * 8192, 65536) - 4096;
// c -> busError();

10
cpu.cpp
View file

@ -1517,14 +1517,6 @@ bool cpu::step()
if (getPC() & 1)
busError();
if (getPC() == 06746)
{
FILE *fh = fopen("debug.dat", "wb");
for(int i=0; i<256; i++)
fputc(b -> readByte(getPC() + i), fh);
fclose(fh);
}
disassemble();
b -> setMMR2(getPC());
@ -1547,10 +1539,12 @@ bool cpu::step()
{
FILE *fh = fopen("fail.dat", "wb");
if (fh) {
for(int i=0; i<256; i++)
fputc(b -> readByte(getPC() - 2 + i), fh);
fclose(fh);
}
}
busError();
exit(1);
return false;

8
memory.cpp
View file

@ -1,11 +1,19 @@
// (C) 2018 by Folkert van Heusden
// Released under Apache License v2.0
#if defined(ESP32)
#include <Arduino.h>
#endif
#include <string.h>
#include "memory.h"
memory::memory(const uint32_t size) : size(size)
{
#if defined(ESP32)
Serial.print(F("Memory size (in bytes, decimal): "));
Serial.println(size);
#endif
m = new uint8_t[size]();
}

2
rk05.cpp
View file

@ -199,6 +199,8 @@ void rk05::writeWord(const uint16_t addr, uint16_t v)
while(temp > 0) {
uint32_t cur = std::min(uint32_t(sizeof xfer_buffer), temp);
yield();
#if defined(ESP32)
if (fh.read(xfer_buffer, cur) != size_t(cur))
D(fprintf(stderr, "RK05 fread error: %s\n", strerror(errno));)