This will convert decimal (+ or -) to twos complement binary. Then you have to convert binary to hex yourself.
https://www.exploringbinary.com/twos-complement-converter/ ________________________________ From: Costello, Roger L. <[email protected]> Sent: Tuesday, October 1, 2019 9:21 AM To: [email protected] <[email protected]> Subject: How many seconds before epoch for the year 1954? Hello DFDL community, I found that, for the year 1954, there are this many seconds before epoch: -504921600 I used an online tool to convert that negative integer to hex: -1E187E00 Eek! How to enter that into my hex editor? /Roger
