diff --git a/components/tme-esp32/hd.c b/components/tme-esp32/hd.c
index 26293a0..f70140f 100644
--- a/components/tme-esp32/hd.c
+++ b/components/tme-esp32/hd.c
@@ -25,16 +25,27 @@ const uint8_t inq_resp[95]={
 	'1','.','0',' ',' ',' ',' ',' ', //prod rev lvl
 };
 
+static void writeSector(HdPriv *hd, unsigned int lba, uint8_t *data) {
+	uint8_t *secdat=malloc(4096);
+	assert(secdat);
+	unsigned int lbaStart=lba&(~7);
+	unsigned int lbaOff=lba&7;
+	assert(esp_partition_read(hd->part, lbaStart*512, secdat, 4096)==ESP_OK);
+	assert(esp_partition_erase_range(hd->part, lbaStart*512, 4096)==ESP_OK);
+	for (int i=0; i<512; i++) secdat[lbaOff*512+i]=data[i];
+	assert(esp_partition_write(hd->part, lbaStart*512, secdat, 4096)==ESP_OK);
+	free(secdat);
+}
+
 static int hdScsiCmd(SCSITransferData *data, unsigned int cmd, unsigned int len, unsigned int lba, void *arg) {
 	int ret=0;
 	static uint8_t *bb=NULL;
 	HdPriv *hd=(HdPriv*)arg;
 	if (cmd==0x8 || cmd==0x28) { //read
 		printf("HD: Read %d bytes from LBA %d.\n", len*512, lba);
-#if 0	//spi ram read/write does not play well with flash reads
-
 		assert(esp_partition_read(hd->part, lba*512, data->data, len*512)==ESP_OK);
-#else
+#if 0 
+		//alternate mmap solution
 		uint8_t *buf;
 		spi_flash_mmap_handle_t handle;
 		esp_partition_mmap(hd->part, lba*512, len*512, SPI_FLASH_MMAP_DATA, &buf, &handle);
@@ -43,6 +54,15 @@ static int hdScsiCmd(SCSITransferData *data, unsigned int cmd, unsigned int len,
 #endif
 //		hexdump(data->data, len*512);
 		ret=len*512;
+	} else if (cmd==0x0A || cmd==0x2A) { //write
+		uint8_t *dp=data->data;
+		while(len) {
+			writeSector(hd, lba, dp);
+			lba++;
+			dp+=512;
+			len--;
+		}
+		ret=0;
 	} else if (cmd==0x12) { //inquiry
 		printf("HD: Inquery\n");
 		memcpy(data->data, inq_resp, sizeof(inq_resp));
diff --git a/components/tme/ncr.c b/components/tme/ncr.c
index 533c1fc..84b0db0 100644
--- a/components/tme/ncr.c
+++ b/components/tme/ncr.c
@@ -107,7 +107,7 @@ static void parseScsiCmd(int isRead) {
 		printf("SCSI: UNSUPPORTED CMD %x\n", cmd);
 		return;
 	}
-//	printf("SCSI: CMD %x LBA %x LEN %x CTRL %x\n", cmd, lba, len, ctrl);
+	printf("SCSI: CMD %x LBA %x LEN %x CTRL %x %s\n", cmd, lba, len, ctrl, isRead?"*READ*":"*WRITE*");
 	if (ncr.dev[ncr.selected]) {
 		ncr.datalen=ncr.dev[ncr.selected]->scsiCmd(&ncr.data, cmd, len, lba, ncr.dev[ncr.selected]->arg);
 	}
@@ -178,9 +178,13 @@ unsigned int ncrRead(unsigned int addr, unsigned int dack) {
 
 void ncrWrite(unsigned int addr, unsigned int dack, unsigned int val) {
 	unsigned int pc=m68k_get_reg(NULL, M68K_REG_PC);
+
 	if (addr==0) {
 		if (ncr.mode&MODE_DMA && dack) {
-			printf("UNSUPPORTED: dma write\n");
+			ncr.buf[ncr.bufpos]=val;
+			if ((ncr.tcr&TCR_IO)==0) {
+				if (ncr.bufpos!=ncr.bufmax) ncr.bufpos++;
+			}
 		}
 		ncr.dout=val;
 		ncr.din=val;
@@ -234,10 +238,10 @@ void ncrWrite(unsigned int addr, unsigned int dack, unsigned int val) {
 			int newtcr=(val&7);
 			if (oldtcr==0 && ncr.bufpos) {
 				//End of data out phase
-				parseScsiCmd(1);
+				parseScsiCmd(0);
 			} else if ((oldtcr==TCR_CD) && (newtcr==TCR_IO)) {
 				//Start of data in phase
-				parseScsiCmd(0);
+				parseScsiCmd(1);
 			}
 			if ((ncr.tcr&0x7)==TCR_IO) {
 				printf("Data Out finished: Host read %d/%d bytes.\n", ncr.bufpos, ncr.datalen);
diff --git a/components/tme/sdl/hd.c b/components/tme/sdl/hd.c
index 01a3f2c..a28028a 100644
--- a/components/tme/sdl/hd.c
+++ b/components/tme/sdl/hd.c
@@ -33,6 +33,11 @@ static int hdScsiCmd(SCSITransferData *data, unsigned int cmd, unsigned int len,
 		fread(data->data, 512, len, hd->f);
 		printf("HD: Read %d bytes.\n", len*512);
 		ret=len*512;
+	} else if (cmd==0xA || cmd==0x2A) { //write
+		fseek(hd->f, lba*512, SEEK_SET);
+		fwrite(data->data, 512, len, hd->f);
+		printf("HD: Write %d bytes\n", len*512);
+		ret=0;
 	} else if (cmd==0x12) { //inquiry
 		printf("HD: Inquery\n");
 		memcpy(data->data, inq_resp, sizeof(inq_resp));
diff --git a/components/tme/tmeconfig.h b/components/tme/tmeconfig.h
index afacc78..dd40403 100644
--- a/components/tme/tmeconfig.h
+++ b/components/tme/tmeconfig.h
@@ -3,7 +3,6 @@
 
 #define TME_ROMSIZE (128*1024)
 
-
 #ifdef CONFIG_SPIRAM_SUPPORT_MALLOC
 
 #if 1