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Elite on the BBC Micro and NES

Flight: ee3

[Elite-A, Parasite]

Name: ee3 [Show more] Type: Subroutine Category: Flight Summary: Print the hyperspace countdown in the top-left of the screen
Context: See this subroutine in context in the source code References: This subroutine is called as follows: * TT102 calls ee3 * TTX66 calls ee3 * wW calls ee3

Print the 8-bit number in X at text location (1, 1). Print the number to 5 digits, left-padding with spaces for numbers with fewer than 3 digits (so numbers < 10000 are right-aligned), with no decimal point.
Arguments: X The number to print
.ee3 LDY #1 \ Move the text cursor to column 1 STY XC STY YC \ Move the text cursor to row 1 DEY \ Decrement Y to 0 for the high byte in pr6 JMP pr6 \ Jump to pr6 to print X to 5 digits, as the high byte \ in Y is 0, and return from the subroutine using a tail \ call