c64-livecoding/wip-hugo/routines/memory/mem.inc

11 lines
431 B
PHP

;;; -*- Mode: asm; indent-tabs-mode: t; tab-width: 8 -*-
;; public args
A_start = $D0 ; 16-bit value (uses D1)
B_start = $D2 ; 16-bit value (uses D3)
length = $D4 ; 16-bit value (uses D5), this is the number of bytes
RTS_pointer = $D6 ; 16-bit value (uses D7)
data_to_write = $D8
length_copy = $d9 ; 16-bit vale (uses da)
instruction_backup = $db