better font rendering and start of z80 access

main.c

@@ -5,18 +5,9 @@
 #include "pico/multicore.h"
 
 #include "cvideo.h"
+#include "core_comm.h"
 #include "text_mode.h"
-
-
-// --------------------------------
-// CORE 1
-// --------------------------------
-
-void core1_entry() {
-    // Nothing yet
-}
-
-// --------------------------------
+#include "core1.h"
 
 
 // --------------------------------
@@ -113,9 +104,9 @@ void main() {
     video_init(fb0);
 
     text_mode_clear_buffer();
-    text_mode_puts("+------------------------------+\r");
-    text_mode_puts("|      Pico-PAL text mode      |\r");
-    text_mode_puts("+------------------------------+\r");
+    text_mode_puts("+------------------------------+\r\n");
+    text_mode_puts("|      Pico-PAL Text Mode      |\r\n");
+    text_mode_puts("+------------------------------+\r\n");
 
     gpio_init(25);
     gpio_set_dir(25, GPIO_OUT);
@@ -125,6 +116,13 @@ void main() {
     while (true) {
         poll_usb_console();
 
+        uint32_t value;
+        while (core0_try_read_from_core1(&value)) {
+            char ch = (char)value;
+            text_mode_put_char((char)ch);
+            putchar(ch);
+        }
+
         // Check if need to draw new frame
         if(framebuffer_switched){
             gpio_put(25, fbnum);