headless zx working

.gitignore

@@ -0,0 +1,4 @@
+build
+pico-sdk*
+spectrum-roms*
+*.inl

MCUME_pico/CMakeLists.txt

@@ -311,7 +311,7 @@ set(TESTPSRAM_SOURCES
 add_executable(mcume
 #		${GFXENGINE_SOURCES}
 #		${PICO20_SOURCES}
-		${PICO64_SOURCES}
+#		${PICO64_SOURCES}
 #		${PICO81_SOURCES}
 #		${PICO800_SOURCES}
 #		${PICO5200_SOURCES}
@@ -319,7 +319,7 @@ add_executable(mcume
 #		${PICOCOLEM_SOURCES}
 #		${PICOO2EM_SOURCES}
 #		${PICOVCS_SOURCES}
-#		${PICOSPECCY_SOURCES}
+		${PICOSPECCY_SOURCES}
 #		${PICONOFRENDO_SOURCES}
 #		${PICOSND_SOURCES}
 #		${TESTIO_SOURCES}
@@ -329,7 +329,7 @@ add_executable(mcume
 #		${PICOVALIDATION_SOURCES}
 #		${PSRAM_SOURCES}
 #		${VGA_T4_SOURCES}
-		${PICOVGA_T4_SOURCES}
+#		${PICOVGA_T4_SOURCES}
 		${TFT_T_SOURCES}
 	)
 

MCUME_pico/config/platform_config.h

@@ -6,16 +6,16 @@
 // PICOMPUTER has support for TFT+keymatrix+Sound
 
 
-//#define PICOMPUTER     1
+#define PICOMPUTER     1
 //#define PICOMPUTERMAX  1
 //#define PICORETROVGA   1
 //#define MCUME_REV1      1
-#define MCUME_REV2      1
+//#define MCUME_REV2      1
 
 #ifdef PICOMPUTER
 //#define SWAP_ALT_DEL   1
 #define ST7789         1
-#define LOHRES         1
+//#define LOHRES         1
 #define FLIP_SCREEN    1
 #define INVX           1
 #define HAS_SND        1

MCUME_pico/picospeccy/picospeccy.cpp

@@ -54,6 +54,16 @@ int main(void) {
     tft.begin();
 #endif
     emu_init();
+
+    // in adbsence of keyboard/sd card load the default rom
+    toggleMenu(false);
+    emu_start();
+    emu_Init(nullptr);
+    tft.fillScreenNoDma( RGBVAL16(0x00,0x00,0x00) );
+    tft.startDMA();
+    struct repeating_timer timer;
+    add_repeating_timer_ms(5, repeating_timer_callback, NULL, &timer);
+
     while (true) {
         if (menuActive()) {
             uint16_t bClick = emu_DebounceLocalKeys();

MCUME_pico/picospeccy/spec.c

@@ -245,6 +245,12 @@ void emu_KeyboardOnUp(int keymodifer, int key) {
 }
 
 void spec_Start(char * filename) {
+
+  if (!filename) {
+    #include "zxspectrum48rom.inl" // defines
+    ZX_ReadFromFlash_Z80(&myCPU, zxspectrum48rom, sizeof(zxspectrum48_rom) / sizeof(unsigned char));
+  }
+
   memset(Z80_RAM, 0, 0xC000);
   if ( (endsWith(filename, "SNA")) || (endsWith(filename, "sna")) ) {
     ZX_ReadFromFlash_SNA(&myCPU, filename);

rom2c.py

@@ -0,0 +1,11 @@
+
+# loads a zx rom and dumps it into a C array
+
+rom_file = "spectrum-roms/48.rom"
+name = "zxspectrum48rom"
+code_file = f"MCUME_pico/picospeccy/{name}.inl"
+
+with open(rom_file, "rb") as ifd, open(code_file, "w") as ofd:
+  rom = [str(b) for b in ifd.read()]
+  #print(int.from_bytes(rom[0], "little"))
+  ofd.write(f"unsigned char {name}[] = {{{','.join(rom)}}};\n")