diff --git a/components/mipidisp/mipi.c b/components/mipidisp/mipi.c
index 91e8404..ce14e3b 100644
--- a/components/mipidisp/mipi.c
+++ b/components/mipidisp/mipi.c
@@ -208,7 +208,7 @@ void mipiInit() {
 	spidev->ctrl.rd_bit_order=1; //LSB first
 	spidev->ctrl.wr_bit_order=1;
 	spidev->pin.ck_idle_edge=0;
-	spidev->user.ck_out_edge=1;
+	spidev->user.ck_out_edge=1; //0 for <40MHz?
 	spidev->ctrl2.miso_delay_mode=0;
 	spidev->ctrl.val &= ~(SPI_FREAD_DUAL|SPI_FREAD_QUAD|SPI_FREAD_DIO|SPI_FREAD_QIO);
 	spidev->user.val &= ~(SPI_FWRITE_DUAL|SPI_FWRITE_QUAD|SPI_FWRITE_DIO|SPI_FWRITE_QIO);
diff --git a/components/tme-esp32/mipi_lcd.c b/components/tme-esp32/mipi_lcd.c
index 6f66bf0..60f8679 100644
--- a/components/tme-esp32/mipi_lcd.c
+++ b/components/tme-esp32/mipi_lcd.c
@@ -145,7 +145,7 @@ int findPixelVal(uint8_t *data, int x, int y) {
 volatile static uint8_t *currFbPtr=NULL;
 SemaphoreHandle_t dispSem = NULL;
 
-#define LINESPERBUF 8
+#define LINESPERBUF 32
 
 static void initLcd() {
 	mipiInit();
@@ -173,6 +173,7 @@ void IRAM_ATTR displayTask(void *arg) {
 	assert(img);
 	calcLut();
 
+	int firstrun=1;
 	while(1) {
 		int l=0;
 		mipiResync();
@@ -192,6 +193,8 @@ void IRAM_ATTR displayTask(void *arg) {
 				img[0]=0x3c;
 				l=0;
 				p=&img[1];
+				if (!firstrun && j>=200) break; //no need to render black bar in subsequent times
+				firstrun=0;
 			}
 		}
 	}
@@ -205,6 +208,7 @@ void dispDraw(uint8_t *mem) {
 	xSemaphoreGive(dispSem);
 	adns900_get_dxdybtn(&dx, &dy, &btn);
 	mouseMove(dx, dy, btn);
+//	printf("Mouse: %d %d\n", dx, dy);
 }
 
 
diff --git a/components/tme/emu.c b/components/tme/emu.c
index e906e30..16b2173 100644
--- a/components/tme/emu.c
+++ b/components/tme/emu.c
@@ -16,6 +16,8 @@
 #include "ncr.h"
 #include "hd.h"
 #include "mouse.h"
+#include <stdbool.h>
+#include "esp_heap_alloc_caps.h"
 
 unsigned char *macRom;
 unsigned char *macRam;
@@ -105,6 +107,7 @@ void printFps() {
 		long msec=(tv.tv_sec-oldtv.tv_sec)*1000;
 		msec+=(tv.tv_usec-oldtv.tv_usec)/1000;
 		printf("Speed: %d%%\n", (int)(100000/msec));
+		printf("Mem free: %dKiB 8-bit, %dKiB 32-bit\n", xPortGetFreeHeapSizeCaps(MALLOC_CAP_8BIT)/1024, xPortGetFreeHeapSizeCaps(MALLOC_CAP_32BIT)/1024);
 	}
 	oldtv.tv_sec=tv.tv_sec;
 	oldtv.tv_usec=tv.tv_usec;