devkitpro / libgba Goto Github PK
View Code? Open in Web Editor NEWC Library for Nintendo GBA
Home Page: http://devkitpro.org/viewforum.php?f=5
License: Other
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btuduri bestel74 mic- endrift extremscorner loociano alligator undersampled shumon84 sztheory fylcodebank fuyunling pmarkive elementw kaneel jeremyherbert brettwilcox maraflush softwarearkitekt timmypidashev knarkzel easyaspi314 rodolfocorreianascimento devkitnooblibgba's Issues
WStrict-Prototypes compilation warnings
Compiling with WStrict-Prototypes leads to all kinds of warnings due to parameterless function signatures/declarations in the include files not having "void" in the parameters.
This can be a problem because it prevents using WError with WStrict-Prototypes.
Sound channel 3 is referred to as Triangle channel, but it isn't
Line 298 in a7b03d6
Sound channel 3 is a programmable wave table, but is referred to in the header as a triangle channel.
Pinobatch says:
"It's because when I wrote the header that that header was based on, I had recent experience with the Nintendo Entertainment System and I started by using the wavetable channel to replicate the capability of the NES triangle channel until I realized that the GBA internal speaker's 800 Hz high pass characteristic wouldn't let the typical applications of the NES triangle wave through"
I don't know if this is being kept as a fun historical quirk, or if nobody's actually thought about it.
Registers not marked as volatile
gba_video.h
#define REG_BG0HOFS *((u16 *)(REG_BASE + 0x10)) // BG 0 H Offset
#define REG_BG0VOFS *((u16 *)(REG_BASE + 0x12)) // BG 0 V Offset
#define REG_BG1HOFS *((u16 *)(REG_BASE + 0x14)) // BG 1 H Offset
#define REG_BG1VOFS *((u16 *)(REG_BASE + 0x16)) // BG 1 V Offset
#define REG_BG2HOFS *((u16 *)(REG_BASE + 0x18)) // BG 2 H Offset
#define REG_BG2VOFS *((u16 *)(REG_BASE + 0x1a)) // BG 2 V Offset
#define REG_BG3HOFS *((u16 *)(REG_BASE + 0x1c)) // BG 3 H Offset
#define REG_BG3VOFS *((u16 *)(REG_BASE + 0x1e)) // BG 3 V Offset
#define REG_BG2PA *((s16 *)(REG_BASE + 0x20))
#define REG_BG2PB *((s16 *)(REG_BASE + 0x22))
#define REG_BG2PC *((s16 *)(REG_BASE + 0x24))
#define REG_BG2PD *((s16 *)(REG_BASE + 0x26))
#define REG_BG2X *((s32 *)(REG_BASE + 0x28))
#define REG_BG2Y *((s32 *)(REG_BASE + 0x2c))
#define REG_BG3PA *((s16 *)(REG_BASE + 0x30))
#define REG_BG3PB *((s16 *)(REG_BASE + 0x32))
#define REG_BG3PC *((s16 *)(REG_BASE + 0x34))
#define REG_BG3PD *((s16 *)(REG_BASE + 0x36))
#define REG_BG3X *((s32 *)(REG_BASE + 0x38))
#define REG_BG3Y *((s32 *)(REG_BASE + 0x3c))
These registers should be volatile.
Game Boy File System??
So one team put the tools need for this into gba-tools, but you didn't bother to add the libraries that makes the tool actually useful? You support other libraries/modules but you don't like gbfs?
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