From d849a58be089335c4ffa4eb423b613d938565e19 Mon Sep 17 00:00:00 2001 From: Lukas Krickl Date: Sat, 21 Jun 2025 06:02:56 +0200 Subject: [PATCH] video: removed deprecated scroll update code --- src/video.s | 58 ----------------------------------------------------- 1 file changed, 58 deletions(-) diff --git a/src/video.s b/src/video.s index ee8d45a..159b29a 100644 --- a/src/video.s +++ b/src/video.s @@ -27,64 +27,6 @@ vblank: ld [frame_ready], a ret - ; updates scroll based on scroll_move_y/x -scroll_update: - ld a, [scroll_move_y] - cp a, 0x0F - jr nz, @no_scroll_down REL - - ; move-1 - sub a, 1 - ld [scroll_move_y], a - - ld b, TILE_SIZE - ld a, [scroll_y] - add a, b - ld [scroll_y], a - jr @done REL -@no_scroll_down: - - cp a, 0xFF - jr nz, @no_scroll_up REL - - ; move+1 - add a, 1 - ld [scroll_move_y], a - - ld b, TILE_SIZE - ld a, [scroll_y] - sub a, b - ld [scroll_y], a - jr @done REL -@no_scroll_up: - - ld a, [scroll_move_x] - cp a, 0x14 - jr nz, @no_scroll_right REL - - sub a, 1 - ld [scroll_move_x], a - - ld b, TILE_SIZE - ld a, [scroll_x] - add a, b - ld [scroll_x], a - jr @done REL -@no_scroll_right: - - cp a, 0xFF - jr nz, @no_scroll_left REL - - add a, 1 - ld [scroll_move_x], a - - ld b, TILE_SIZE - ld a, [scroll_x] - sub a, b - ld [scroll_x], a -@no_scroll_left: -@done: - ret ; writes scroll to scroll registers ; only call during blank -- 2.30.2