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Why does gcc -O1 optimization break this code modifying VRAM in a loop for a Gameboy Advance ROM?

score 167 · Answer 1 · 2023-11-20T02:03:20.663000

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Why does gcc -O1 optimization break this code modifying VRAM in a loop for a Gameboy Advance ROM?

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score 129 · Answer 4 · 2022-06-17T19:18:23.800000

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129 views Asked by Globoplox At 17 June 2022 at 19:18

score 118 · Answer 5 · 2022-04-30T11:40:04.710000

How to send and receive data between a gba and gamecube

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error: expected '=', ',', ';', 'asm' or 'attribute' before '.' token

226 views Asked by puppydrum64 At 01 January 2022 at 00:41

score 303 · Answer 7 · 2021-11-07T18:27:10.120000

(Game Boy Advance) Program begins at 0x00000000 instead of 0x08000000. How to tell gcc to compile to a specific address?

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score 352 · Answer 8 · 2021-11-03T00:40:38.713000

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score 172 · Answer 9 · 2021-08-08T00:08:20.320000

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score 279 · Answer 10 · 2021-08-05T13:45:54.767000

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score 85 · Answer 11 · 2021-08-04T01:24:15.833000

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85 views Asked by puppydrum64 At 04 August 2021 at 01:24

score 567 · Answer 12 · 2021-06-16T01:31:48.647000

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score 108 · Answer 13 · 2021-03-28T05:22:17.250000

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score 430 · Answer 16 · 2020-08-15T20:51:58.113000

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531 views Asked by Noam Rodrik At 06 September 2019 at 07:41

TechQA.

List Question

Why does gcc -O1 optimization break this code modifying VRAM in a loop for a Gameboy Advance ROM?

GBA: Issue drawing sprite object over background

Can you compile JavaScript to ARM assembly?

Unexpected outcome of writing single byte to VRAM in GBA tile mode, value also written in next or previous byte

How to send and receive data between a gba and gamecube

error: expected '=', ',', ';', 'asm' or 'attribute' before '.' token

(Game Boy Advance) Program begins at 0x00000000 instead of 0x08000000. How to tell gcc to compile to a specific address?

Can you store the memory location of a function into RAM using C?

"Assignment makes pointer from integer without cast" warning isn't consistent across functions

Using gcc to combine assembly code with C

Trying to animate a sprite using a simple timer and bitwise & checks

error: expected identifier before 'public'

Redirect MMIO requests to another address

How To Debug With GDB

gfx2gba doesn't convert image properly

Selecting best data structure for a 2-dimensional map that will shift the data

DevkitARM, white screen on emulator If I use a for loop in the code?

ARM Assembly - Adding two Registers

Undefined reference to 'jniRegisterNativeMethods' Android NDK

Half carry flag emulating the GBA

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