git.y1.nz

commit 97868b0b5eea57b7cb6510a3798f620ac7d824ee
parent 3f8d09a6d9168b066516a6ee25c66cc7835b5e9b
Author: Toxa <untoxa@mail.ru>
Date:   Wed, 29 Sep 2021 15:21:42 +0300

remove unnecessary VDP_DELAY (ld a, (iy+n) is slow enough)

Diffstat:
M
gbdk-lib/libc/targets/z80/set_1bpp_data.s
3
---
M
gbdk-lib/libc/targets/z80/set_2bpp_data.s
3
---

2 files changed, 0 insertions(+), 6 deletions(-)
diff --git a/gbdk-lib/libc/targets/z80/set_1bpp_data.s b/gbdk-lib/libc/targets/z80/set_1bpp_data.s
@@ -79,13 +79,10 @@ _set_tile_1bpp_data::
 
         ld a, 0 (iy)
         out (.VDP_DATA), a
-        VDP_DELAY
         ld a, 1 (iy)
         out (.VDP_DATA), a
-        VDP_DELAY
         ld a, 2 (iy)
         out (.VDP_DATA), a
-        VDP_DELAY
         ld a, 3 (iy)
         out (.VDP_DATA), a
 
diff --git a/gbdk-lib/libc/targets/z80/set_2bpp_data.s b/gbdk-lib/libc/targets/z80/set_2bpp_data.s
@@ -115,13 +115,10 @@ _set_tile_2bpp_data::
 
         ld a, 0 (iy)
         out (.VDP_DATA), a
-        VDP_DELAY
         ld a, 1 (iy)
         out (.VDP_DATA), a
-        VDP_DELAY
         ld a, 2 (iy)
         out (.VDP_DATA), a
-        VDP_DELAY
         ld a, 3 (iy)
         out (.VDP_DATA), a
 

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