diff options
| author | Miquel Sabaté Solà <mssola@mssola.com> | 2026-09-06 21:42:34 +0200 |
|---|---|---|
| committer | Miquel Sabaté Solà <mssola@mssola.com> | 2026-09-06 21:42:34 +0200 |
| commit | 9c685d5b6ca1686f944fb239ec89511f24801d44 (patch) | |
| tree | 9b857312817aa1ba17b024adb412167c9c7604ae /tests/runrom/cmp.s | |
| parent | 30a572b2b3815abaf17dcd2a848430935a4ba729 (diff) | |
| download | tools.nes-9c685d5b6ca1686f944fb239ec89511f24801d44.tar.gz tools.nes-9c685d5b6ca1686f944fb239ec89511f24801d44.zip | |
vnf: also set the carry on a zero compare
Add also a test to further check corner cases on compare instructions.
Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
Diffstat (limited to 'tests/runrom/cmp.s')
| -rw-r--r-- | tests/runrom/cmp.s | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/runrom/cmp.s b/tests/runrom/cmp.s new file mode 100644 index 0000000..29deda3 --- /dev/null +++ b/tests/runrom/cmp.s @@ -0,0 +1,37 @@ +.segment "HEADER" + .byte 'N', 'E', 'S', $1A + .byte $02, $01 + .byte $00 + .byte $00 + +.segment "CHARS" +.byte 0 + +.segment "VECTORS" + .addr reset, reset, reset + +.segment "CODE" +;; asan:stack full + +zp_mem = $00 + +.proc reset + lda #0 + sta zp_mem + + cmp zp_mem + + inc zp_mem + cmp zp_mem + + lda #2 + cmp zp_mem + + lda #1 + cmp zp_mem + + lda #$FF + cmp zp_mem + + rts +.endproc |