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64b6fca5 | 1 | ;;; -*-asm-*- |
4278b406 MW |
2 | ;;; (c) 2021 Mark Wooding |
3 | ||
4 | ;;;----- Licensing notice --------------------------------------------------- | |
5 | ;;; | |
6 | ;;; This file is part of ZX Fizzbuzz. | |
7 | ;;; | |
8 | ;;; ZX Fizzbuzz is free software: you can redistribute it and/or modify it | |
9 | ;;; under the terms of the GNU Lesser General Public License as published | |
10 | ;;; by the Free Software Foundation; either version 3 of the License, or | |
11 | ;;; (at your option) any later version. | |
12 | ;;; | |
13 | ;;; ZX Fizzbuzz is distributed in the hope that it will be useful, but | |
14 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | ;;; Lesser General Public License for more details. | |
17 | ;;; | |
18 | ;;; You should have received a copy of the GNU Lesser General Public | |
19 | ;;; License along with ZX Fizzbuzz. If not, see | |
20 | ;;; <https://www.gnu.org/licenses/>. | |
64b6fca5 MW |
21 | |
22 | org 0x7000 | |
23 | ||
24 | spc: equ ' ' | |
25 | ||
26 | tvflag: equ 0x5c3c | |
27 | ||
28 | fixdig: macro | |
29 | or 0x30 | |
30 | endm | |
31 | ||
32 | print_a: macro | |
33 | rst 0x10 | |
34 | endm | |
35 | ||
36 | endstrp: macro | |
37 | and a | |
38 | endm | |
39 | ||
40 | jr setup | |
41 | ||
42 | fizz: db "fizz", 0 | |
43 | buzz: db "buzz", 0 | |
44 | ||
45 | setup: | |
46 | ;; Use the main screen. | |
47 | xor a | |
48 | ld (tvflag), a |