07778: carnivalh, carnivalha: Game crashes after clearing first round.

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
07778	Crash/Freeze	Major	Always	Oct 29, 2020, 01:40	Nov 18, 2020, 08:20

Tester	chaneman	View Status	Public	Platform	MAME (Official Binary)
Assigned To	Haze	Resolution	Fixed	OS	Windows 10 (64-bit)
Status [?]	Resolved			Driver	sega/vicdual.cpp
Version	0.226	Fixed in Version	0.227	Build	64-bit
		Fixed in Git Commit		Github Pull Request #

Summary	07778: carnivalh, carnivalha: Game crashes after clearing first round.
Description	After clearing the first screen by shooting all the targets the "Bear Bonus Round" is corrupted, constantly sending out unlimited bears at different heights on the screen. Unable to continue to the next levels. Also noted that if a single duck makes it to the bottom of the screen and eats bullets then the game is over no matter how many bullets are left. Only these two sets affected, the others play correct.
Steps To Reproduce	Load and play the game.
Additional Information
Github Commit

Flags
Regression Version
Affected Sets / Systems	carnivalh, carnivalha

Attached Files

No.18103 Tafoid Administrator Oct 29, 2020, 02:26	I can't tell if it is protection issues or bad romsets. Seems very odd and tested back to when they were playable (0.147u1) and the behave the same.
No.18161 Haze Senior Tester Nov 17, 2020, 16:33 edited on: Nov 17, 2020, 16:33	much like Tranquillizer Gun there appear to be 2 missed protection checks 2895: 4F ld c,a 2896: 3E 24 ld a,$24 2898: 32 D4 E3 ld ($E3D4),a 289B: 7E ld a,(hl) -- protection? 289C: E6 07 and $07 289E: FE 02 cp $02 28A0: 20 18 jr nz,$28BA 28A2: 3E 66 ld a,$66 28A4: 32 D4 E3 ld ($E3D4),a 28A7: 7E ld a,(hl) 28A8: E6 07 and $07 28AA: FE 07 cp $07 28AC: 20 0C jr nz,$28BA 28AE: 3E 48 ld a,$48 28B0: 32 D4 E3 ld ($E3D4),a 28B3: 7E ld a,(hl) 28B4: E6 07 and $07 28B6: FE 03 cp $03 28B8: 28 02 jr z,$28BC 26AF: 3E 24 ld a,$24 26B1: 32 6B E7 ld ($E76B),a 26B4: 7E ld a,(hl) -- protection read 26B5: E6 07 and $07 26B7: FE 02 cp $02 26B9: C2 4A 25 jp nz,$254A 26BC: 3E 66 ld a,$66 26BE: 32 6D E7 ld ($E76D),a 26C1: 7E ld a,(hl) 26C2: E6 07 and $07 26C4: FE 07 cp $07 26C6: C2 4A 25 jp nz,$254A 26C9: 3E 48 ld a,$48 26CB: 32 6F E7 ld ($E76F),a 26CE: 7E ld a,(hl) 26CF: E6 07 and $07 26D1: FE 03 cp $03 26D3: C2 4A 25 jp nz,$254A

No.18103

Tafoid

Administrator

Oct 29, 2020, 02:26

I can't tell if it is protection issues or bad romsets. Seems very odd and tested back to when they were playable (0.147u1) and the behave the same.

No.18161

Haze

Senior Tester

Nov 17, 2020, 16:33

edited on: Nov 17, 2020, 16:33

much like Tranquillizer Gun there appear to be 2 missed protection checks

2895: 4F ld c,a
2896: 3E 24 ld a,$24
2898: 32 D4 E3 ld ($E3D4),a
289B: 7E ld a,(hl) -- protection?
289C: E6 07 and $07
289E: FE 02 cp $02
28A0: 20 18 jr nz,$28BA
28A2: 3E 66 ld a,$66
28A4: 32 D4 E3 ld ($E3D4),a
28A7: 7E ld a,(hl)
28A8: E6 07 and $07
28AA: FE 07 cp $07
28AC: 20 0C jr nz,$28BA
28AE: 3E 48 ld a,$48
28B0: 32 D4 E3 ld ($E3D4),a
28B3: 7E ld a,(hl)
28B4: E6 07 and $07
28B6: FE 03 cp $03
28B8: 28 02 jr z,$28BC

26AF: 3E 24 ld a,$24
26B1: 32 6B E7 ld ($E76B),a
26B4: 7E ld a,(hl) -- protection read
26B5: E6 07 and $07
26B7: FE 02 cp $02
26B9: C2 4A 25 jp nz,$254A
26BC: 3E 66 ld a,$66
26BE: 32 6D E7 ld ($E76D),a
26C1: 7E ld a,(hl)
26C2: E6 07 and $07
26C4: FE 07 cp $07
26C6: C2 4A 25 jp nz,$254A
26C9: 3E 48 ld a,$48
26CB: 32 6F E7 ld ($E76F),a
26CE: 7E ld a,(hl)
26CF: E6 07 and $07
26D1: FE 03 cp $03
26D3: C2 4A 25 jp nz,$254A