mirror of https://github.com/hsoft/collapseos.git
68 lines
941 B
NASM
68 lines
941 B
NASM
.equ foo 456 ; AFTER_ORG should not get that value
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.org 0x1234
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.equ AFTER_ORG @
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.org 0
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jp test
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.inc "ascii.h"
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.inc "core.asm"
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.inc "lib/ari.asm"
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.inc "lib/fmt.asm"
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.inc "stdio.asm"
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.inc "common.asm"
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dummyLabel:
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.equ dummyLabel 0x42
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test:
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ld hl, 0xffff
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ld sp, hl
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; *** Just little z80 flags memo.
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and a ; clear carry
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ld hl, 100
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ld de, 101
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sbc hl, de
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jp nc, fail ; carry is set
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call nexttest
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and a ; clear carry
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ld hl, 101
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ld de, 100
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sbc hl, de
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jp c, fail ; carry is reset
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call nexttest
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ld a, 1
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dec a
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jp m, fail ; positive
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dec a
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jp p, fail ; negative
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call nexttest
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; Test that .equ can override label
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ld de, 0x42
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ld hl, dummyLabel
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call assertEQW
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call nexttest
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; test that "@" is updated by a .org directive
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ld hl, AFTER_ORG
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ld de, 0x1234
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call assertEQW
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call nexttest
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; test that AND affects the Z flag
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ld a, 0x69
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and 0x80
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call assertZ
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call nexttest
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; success
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xor a
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halt
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STDIO_RAMSTART:
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