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author arbee <rb6502@users.noreply.github.com>2021-10-03 20:56:25 -0400
committer arbee <rb6502@users.noreply.github.com>2021-10-03 20:56:25 -0400
commitfbb2381f9e19e0f07906be0a883bb8e445208e6c (patch)
tree1790779b2028adb5efc6aff0ac45e87e664f6e1a
parenta27da21b689c77a1678970e62ce11b4901b24a2a (diff)
spi_sdcard: don't use a random number in the CID block, it'll confuse BBC Micro MMFS. [R. Belmont]
-rw-r--r--src/devices/machine/spi_sdcard.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/machine/spi_sdcard.cpp b/src/devices/machine/spi_sdcard.cpp
index 5f5595bb99e..3ace0591742 100644
--- a/src/devices/machine/spi_sdcard.cpp
+++ b/src/devices/machine/spi_sdcard.cpp
@@ -239,7 +239,7 @@ void spi_sdcard_device::do_command()
m_data[10] = 'D';
m_data[11] = 0x10; // Product Revision in BCD (1.0)
{
- u32 uSerial = machine().rand();
+ u32 uSerial = 0x12345678;
m_data[12] = (uSerial>>24) & 0xff; // PSN - Product Serial Number
m_data[13] = (uSerial>>16) & 0xff;
m_data[14] = (uSerial>>8) & 0xff;