folkert/KEK
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ESP32 tweaks

Browse source
This commit is contained in:
folkert van heusden 2022-03-15 22:37:23 +01:00
parent 707d017330
commit 320d61551b
3 changed files with 26 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
ESP32/main.ino
View file

@ -214,6 +214,8 @@ uint16_t loadbin(bus *const b)
uint16_t exec_addr = 0;
uint32_t start_ts = 0;
void setup() {
Serial.begin(115200);
@ -240,6 +242,8 @@ void setup() {
exec_addr = loadbin(b);
c->setRegister(7, exec_addr);
pinMode(LED_BUILTIN, OUTPUT);
Serial.println(F("Press <enter> to start"));
for(;;) {
@ -253,27 +257,36 @@ void setup() {
}
Serial.println(F("Emulation starting!"));
start_ts = millis();
}
unsigned int icount = 0;
uint32_t icount = 0;
void loop() {
icount++;
if (icount % 1000 == 0 && Serial.available()) {
char c = Serial.read();
if ((icount & 1023) == 0) {
if (Serial.available()) {
char c = Serial.read();
if (c > 0 && c < 127)
tty_->sendChar(c);
if (c > 0 && c < 127)
tty_->sendChar(c);
}
}
if (c->step()) {
Serial.println(F(""));
Serial.println(F(" *** EMULATION STOPPED *** "));
Serial.print(F("Instructions per second: "));
Serial.println(icount * 1000.0 / (millis() - start_ts));
delay(1000);
Serial.println(F(" *** EMULATION RESTARTING *** "));
c->setRegister(7, exec_addr);
c->resetHalt();
start_ts = millis();
icount = 0;
}
}

4
ESP32/platformio.ini
View file

@ -30,8 +30,8 @@ framework = arduino
monitor_speed = 115200
upload_speed = 1000000
lib_deps =
build_flags = -std=c++17
build_unflags = -std=gnu++11
build_flags = -std=c++17 -Ofast
build_unflags = -std=gnu++11 -Os
[env:serial32_debug]
platform = espressif32

6
tty.cpp
View file

@ -52,6 +52,12 @@ uint16_t tty::readWord(const uint16_t addr)
if (addr == PDP11TTY_TKS) {
vtemp = c ? 128 : 0;
#if defined(ESP32)
static bool led_state = true;
digitalWrite(LED_BUILTIN, led_state);
led_state = !led_state;
#endif
}
else if (addr == PDP11TTY_TKB) {
vtemp = c | (parity(c) << 7);