diff options
Diffstat (limited to 'main.asm')
| -rw-r--r-- | main.asm | 161 |
1 files changed, 157 insertions, 4 deletions
@@ -16310,7 +16310,7 @@ Tileset25Anim: ; 0xfc047 ; param, function dw $9140, AnimateWaterTile dw $0000, WaitTileAnimation - dw $95f0, $4387 + dw $95f0, AnimateFountain dw $0000, WaitTileAnimation dw $0000, TileAnimationPalette dw $0000, WaitTileAnimation @@ -16391,7 +16391,7 @@ Tileset30Anim: ; 0xfc1e7 ; param, function dw $9140, $46a2 dw $0000, $471e - dw $cf41, $4309 + dw $cf41, ScrollTileRightLeft dw $0000, $471e dw $9140, $4696 dw $0000, $471e @@ -16414,7 +16414,7 @@ Tileset29Anim: ; 0xfc233 ; param, function dw $9350, $46a2 dw $0000, $471e - dw $cf41, $4309 + dw $cf41, ScrollTileRightLeft dw $0000, $471e dw $9350, $4696 dw $0000, $471e @@ -16506,7 +16506,160 @@ NextTileFrame8: ; fc2ff ret ; fc309 -INCBIN "baserom.gbc", $fc309, $fc402 - $fc309 + +ScrollTileRightLeft: ; fc309 +; Scroll right for 4 ticks, then left for 4 ticks. + ld a, [TileAnimationTimer] + inc a + and 7 + ld [TileAnimationTimer], a + and 4 + jr nz, ScrollTileLeft + jr ScrollTileRight +; fc318 + +ScrollTileUpDown: ; fc318 +; Scroll up for 4 ticks, then down for 4 ticks. + ld a, [TileAnimationTimer] + inc a + and 7 + ld [TileAnimationTimer], a + and 4 + jr nz, ScrollTileDown + jr ScrollTileUp +; fc327 + +ScrollTileLeft: ; fc327 + ld h, d + ld l, e + ld c, 4 +.loop + rept 4 + ld a, [hl] + rlca + ld [hli], a + endr + dec c + jr nz, .loop + ret +; fc33b + +ScrollTileRight: ; fc33b + ld h, d + ld l, e + ld c, 4 +.loop + rept 4 + ld a, [hl] + rrca + ld [hli], a + endr + dec c + jr nz, .loop + ret +; fc34f + +ScrollTileUp: ; fc34f + ld h, d + ld l, e + ld d, [hl] + inc hl + ld e, [hl] + ld bc, $e + add hl, bc + ld a, 4 +.loop + ld c, [hl] + ld [hl], e + dec hl + ld b, [hl] + ld [hl], d + dec hl + ld e, [hl] + ld [hl], c + dec hl + ld d, [hl] + ld [hl], b + dec hl + dec a + jr nz, .loop + ret +; fc36a + +ScrollTileDown: ; fc36a + ld h, d + ld l, e + ld de, $e + push hl + add hl, de + ld d, [hl] + inc hl + ld e, [hl] + pop hl + ld a, 4 +.loop + ld b, [hl] + ld [hl], d + inc hl + ld c, [hl] + ld [hl], e + inc hl + ld d, [hl] + ld [hl], b + inc hl + ld e, [hl] + ld [hl], c + inc hl + dec a + jr nz, .loop + ret +; fc387 + + +AnimateFountain: ; fc387 + ld hl, [sp+0] + ld b, h + ld c, l + ld hl, .frames + ld a, [TileAnimationTimer] + and 7 + add a + add l + ld l, a + jr nc, .asm_fc399 + inc h + +.asm_fc399 + ld a, [hli] + ld h, [hl] + ld l, a + ld sp, hl + ld l, e + ld h, d + jp WriteTile + +.frames + dw .frame1 + dw .frame2 + dw .frame3 + dw .frame4 + dw .frame3 + dw .frame4 + dw .frame5 + dw .frame1 + +.frame1 + INCBIN "gfx/tilesets/fountain/1.2bpp" +.frame2 + INCBIN "gfx/tilesets/fountain/2.2bpp" +.frame3 + INCBIN "gfx/tilesets/fountain/3.2bpp" +.frame4 + INCBIN "gfx/tilesets/fountain/4.2bpp" +.frame5 + INCBIN "gfx/tilesets/fountain/5.2bpp" +; fc402 + AnimateWaterTile: ; fc402 ; Draw a water tile for the current frame in VRAM tile at de. |