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From e9ef7a872ac7f7201b195c961b64f6ce33a5b110 Mon Sep 17 00:00:00 2001
From: Sanqui <me@sanqui.net>
Date: Thu, 23 Jul 2020 21:41:16 +0300
Subject: [PATCH] Fix off-by-one error in gbhw_io_peek
This bug made e.g. WAVE display when verbose incorrect, as the
last byte of the waveform would always be given as FF.
---
gbhw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gbhw.c b/gbhw.c
index 931c79d..dd60066 100644
--- a/gbhw.c
+++ b/gbhw.c
@@ -1000,7 +1000,7 @@ regparm void gbhw_io_put(uint16_t addr, uint8_t val) {
/* unmasked peek used by gbsplay.c to print regs */
regparm uint8_t gbhw_io_peek(uint16_t addr)
{
- if (addr >= 0xff10 && addr <= 0xff3e) {
+ if (addr >= 0xff10 && addr <= 0xff3f) {
return ioregs[addr & 0x7f];
}
return 0xff;
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