Improve sim, runs without error.

ueforth/Makefile

@@ -329,7 +329,7 @@ $(ESP32_SIM)/Esp32forth-sim: \
     common/interp.h \
     $(GEN)/esp32_boot.h \
     $(GEN)/esp32_sim_opcodes.h | $(ESP32_SIM)
-	$(CXX) $(CFLAGS) -g $< -o $@
+	$(CXX) $(CFLAGS) $< -o $@
 	strip $(STRIP_ARGS) $@
 
 # ---- ESP32 ----

ueforth/esp32/builtins.h

@@ -62,8 +62,6 @@ static cell_t ResizeFile(cell_t fd, cell_t size);
   OPTIONAL_SPI_FLASH_SUPPORT \
   USER_WORDS
 
-#ifndef SIM_PRINT_ONLY
-
 #define REQUIRED_MEMORY_SUPPORT \
   Y(MALLOC, SET malloc(n0)) \
   Y(SYSFREE, free(a0); DROP) \
@@ -86,8 +84,6 @@ static cell_t ResizeFile(cell_t fd, cell_t size);
   X("Serial.write", SERIAL_WRITE, n0 = Serial.write(b1, n0); NIP) \
   X("Serial.flush", SERIAL_FLUSH, Serial.flush())
 
-#endif
-
 #define REQUIRED_ARDUINO_GPIO_SUPPORT \
   Y(pinMode, pinMode(n1, n0); DROPn(2)) \
   Y(digitalWrite, digitalWrite(n1, n0); DROPn(2)) \

ueforth/esp32/options.h

@@ -38,7 +38,9 @@
 // RMT support designed around v2.0.1 toolchain.
 // While ESP32 also has RMT, for now only include for
 // ESP32-S2 and ESP32-C3.
-#if defined(CONFIG_IDF_TARGET_ESP32S2) || defined(CONFIG_IDF_TARGET_ESP32C3) || defined(SIM_PRINT_ONLY)
+#if defined(CONFIG_IDF_TARGET_ESP32S2) || \
+    defined(CONFIG_IDF_TARGET_ESP32C3) || \
+    defined(SIM_PRINT_ONLY)
 # define ENABLE_RMT_SUPPORT
 #endif
 
@@ -57,7 +59,9 @@
 // built the serial library, so check if its enabled as well.
 #if defined(BOARD_HAS_PSRAM) || defined(SIM_PRINT_ONLY)
 # define ENABLE_CAMERA_SUPPORT
-# if (defined(CONFIG_BT_ENABLED) && defined(CONFIG_BLUEDROID_ENABLED)) || defined(SIM_PRINT_ONLY)
+# if (defined(CONFIG_BT_ENABLED) && \
+      defined(CONFIG_BLUEDROID_ENABLED)) || \
+     defined(SIM_PRINT_ONLY)
 #  define ENABLE_SERIAL_BLUETOOTH_SUPPORT
 # endif
 #endif

ueforth/esp32/print-builtins.cpp

@@ -17,19 +17,18 @@
 #include <stdio.h>
 
 #define SIM_PRINT_ONLY
+#define ENABLE_OLED_SUPPORT
 #include "esp32/options.h"
 #define FLOATING_POINT_LIST
 #define USER_WORDS
-#define REQUIRED_MEMORY_SUPPORT
-#define REQUIRED_SYSTEM_SUPPORT
-#define REQUIRED_SERIAL_SUPPORT
 #include "builtins.h"
 
 #define Y(name, code) X(#name, name, code)
 
 int main() {
-  printf("#define PLATFORM_MOCK_OPCODE_LIST \\\n");
-#define X(str, name, code) printf("  X(\"%s\", %s, ) \\\n", str, #name);
+  printf("#define PLATFORM_SIMULATED_OPCODE_LIST \\\n");
+#define X(str, name, code) \
+  printf("  X(\"%s\", %s, DUP; sp = simulated(sp, STR_%s); DROP) \\\n", str, #name, #name);
   PLATFORM_OPCODE_LIST
 #undef X
   printf("\n");

ueforth/esp32/sim_main.cpp

@@ -17,43 +17,74 @@
 #include "common/opcodes.h"
 #include "common/floats.h"
 #include "common/calling.h"
-#include <time.h>
-#include <unistd.h>
+
+static cell_t *simulated(cell_t *sp, const char *op);
 
 #define PLATFORM_OPCODE_LIST \
   FLOATING_POINT_LIST \
-  REQUIRED_MEMORY_SUPPORT \
-  REQUIRED_SYSTEM_SUPPORT \
-  REQUIRED_SERIAL_SUPPORT \
-  PLATFORM_MOCK_OPCODE_LIST
-
-#define REQUIRED_MEMORY_SUPPORT \
-  Y(MALLOC, SET malloc(n0)) \
-  Y(SYSFREE, free(a0); DROP) \
-  Y(REALLOC, SET realloc(a1, n0); NIP) \
-  Y(heap_caps_malloc, SET malloc(n1); NIP) \
-  Y(heap_caps_free, free(a0); DROP) \
-  Y(heap_caps_realloc, \
-      tos = (cell_t) realloc(a2, n1); NIPn(2))
-
-#define REQUIRED_SYSTEM_SUPPORT \
-  X("MS-TICKS", MS_TICKS, PUSH time(0) * 1000) \
-  X("RAW-YIELD", RAW_YIELD, ) \
-  Y(TERMINATE, exit(n0))
-
-#define REQUIRED_SERIAL_SUPPORT \
-  X("Serial.begin", SERIAL_BEGIN, DROP) \
-  X("Serial.end", SERIAL_END, ) \
-  X("Serial.available", SERIAL_AVAILABLE, PUSH -1) \
-  X("Serial.readBytes", SERIAL_READ_BYTES, n0 = read(0, b1, n0); NIP) \
-  X("Serial.write", SERIAL_WRITE, n0 = write(1, b1, n0); NIP) \
-  X("Serial.flush", SERIAL_FLUSH, )
+  PLATFORM_SIMULATED_OPCODE_LIST
 
 #include "gen/esp32_sim_opcodes.h"
+
+#define X(str, name, code) static const char *STR_ ## name = str;
+PLATFORM_SIMULATED_OPCODE_LIST
+#undef X
+
 #include "common/core.h"
 #include "common/interp.h"
 #include "gen/esp32_boot.h"
 #include "esp32/main.cpp"
+#include <time.h>
+#include <unistd.h>
+#include <stdio.h>
+
+static cell_t *simulated(cell_t *sp, const char *op) {
+  if (op == STR_MALLOC) {
+    *sp = (cell_t) malloc(*sp);
+    return sp;
+  } else if (op == STR_SYSFREE) {
+    free((void*) *sp--);
+    return sp;
+  } else if (op == STR_SERIAL_BEGIN) {
+    --sp;
+    return sp;
+  } else if (op == STR_SERIAL_READ_BYTES) {
+    sp[-1] = read(0, (void *) sp[-1], sp[0]); --sp;
+    return sp;
+  } else if (op == STR_SERIAL_WRITE) {
+    sp[-1] = write(1, (void *) sp[-1], sp[0]); --sp;
+    return sp;
+  } else if (op == STR_MS_TICKS) {
+    struct timespec tm;
+    clock_gettime(CLOCK_MONOTONIC, &tm);
+    *++sp = tm.tv_sec * 1000 + tm.tv_nsec / 1000000;
+    return sp;
+  } else if (op == STR_RAW_YIELD) {
+    return sp;
+  } else if (op == STR_SPIFFS_BEGIN) {
+    sp -= 2; *sp = 0;
+    return sp;
+  } else if (op == STR_pinMode) {
+    sp -= 2;
+    return sp;
+  } else if (op == STR_digitalWrite) {
+    sp -= 2;
+    return sp;
+  } else if (op == STR_gpio_install_isr_service) {
+    --sp;
+    *sp = 0;
+    return sp;
+  } else if (op == STR_SERIAL_AVAILABLE) {
+    *++sp = 1;
+    return sp;
+  } else if (op == STR_TERMINATE) {
+    exit(*sp);
+    return sp;
+  } else {
+    fprintf(stderr, "MISSING SIM OPCODE: %s\n", op);
+    return sp;
+  }
+}
 
 int main(int argc, char *argv[]) {
   setup();