Reading the Wikipedia page on Halt and Catch Fire it seems this issue actually caused a certain set of illegal opcodes to become an "official' HCF instruction (opcode was DD so it was also known as "Drop Dead") as it…
I prefer dc because I'm an HP calculator user... we're not the same ^-^
Reading the Wikipedia page on Halt and Catch Fire it seems this issue actually caused a certain set of illegal opcodes to become an "official' HCF instruction (opcode was DD so it was also known as "Drop Dead") as it…
I prefer dc because I'm an HP calculator user... we're not the same ^-^