From fe1bcc3fb1ba672d4a0dc046b769c386a7eed550 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Fri, 13 Aug 2010 15:20:38 +0800 Subject: Unravel the mystery of Block 15 Sector 2: Total sum of purchases / day This is how they implement the daily limit of the card --- easycard.2/notes.txt | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'easycard.2') diff --git a/easycard.2/notes.txt b/easycard.2/notes.txt index c2e15c1..fefc5f1 100644 --- a/easycard.2/notes.txt +++ b/easycard.2/notes.txt @@ -52,16 +52,20 @@ Address 0x3e0 DATA BLOCK somehow related to shop purchasing 00003e0 0000 0000 0000 0000 0000 0b00 233d 0000 first purchase with easycard.1 (7eleven) - 0x23 == 35 -> amount of purchase + 0x0b == day of month of purchase (11th) + 0x0023 == 35 -> amount of purchase 00003e0 0000 0000 0000 0000 0000 0c00 4b3d 0000 second purchase with easycard.1 (7eleven) - 0x4b == 75 -> amount of purchase + 0x0c == day of month of purchase (12th) + 0x004b == 75 -> amount of purchase 00003e0 0000 0000 0000 0000 0000 0c00 5f3d 0000 first purchase with easycard.2 (starbucks) - 0x5f == 95 -> amount of purchase + 0x0c == day of month of purchase (12th) + 0x005f == 95 -> amount of purchase 00003e0 0000 0000 0000 0000 0000 0c00 233d 0001 second purchase with easycard.2 (cosmed) - 0x23 == 35 -> NOT amount of purchase (0xc4) + 0x0c == day of month of purchase (12th) + 0x0123 == 291 -> total of all purchases today == timestamp == -- cgit v1.2.3