Make SD-card work

platformio.ini

@@ -19,6 +19,7 @@ lib_ldf_mode = chain+
 lib_deps = 
 	bodmer/TFT_eSPI@^2.5.43
     xreef/PCF8574 library@^2.3.7
+    greiman/SdFat@^2.3.1
 
 build_flags =
 	-I.
@@ -27,12 +28,20 @@ build_flags =
     -DENABLE_SOUND=1
     -DENABLE_LCD=1
     -DENABLE_SDCARD=1
+    -DENABLE_LCD_DMA=1
+    -DENABLE_LCD_FRAMEBUFFER=1
+    -DENABLE_USB_STORAGE_DEVICE=1
     -DPEANUT_FULL_GBC_SUPPORT=1
+    -DUSE_TINYUSB
 
 [env:pico]
 extends = pico-base
 board = rpipico
+# Reserve ~1MB for ROMs, i.e. ~800KB for code
+board_build.filesystem_size = 1280k
 
 [env:pico2]
 extends = pico-base
 board = rpipico2
+# Reserve 3MB for ROMs, i.e. 1MB for code
+board_build.filesystem_size = 3072k