SpritesMind.Net

The 2 aren't connected but SEGA clearly indicate to always asserting BUSREQ during Z80 reset operation.

I tried to use u8 but remember it didn't worked for some reasons i forgot. I have to re-investigate it but almost certain it couldn't be done that easy :-/

Timer unit give a method to retrieve elapsed time from hard reset (SYS_getTimer() or something like that).
But SGDK also own the frame counter into vtimer variable.

Hardware sprite are limited to 32x32 pixels. Rescomp limit (meta) sprite size to 128x128 to spare ROM space on sprite metadata (hardware sprite position) so it could use s8 type to define offset and collision information. Having > 128 w or h sprites would require using 16 bit offsets for both hard s...

It looks like a very interesting puzzle game How many levels do you have ?

It looks great ! I always though SFA2 could have receive a better port on MD than on SNES using the H40 mode.
Here you used the full resolution but i believe 320x200 would be better so you can update big sprites with the higher DMA capacity and also for before arcade aspect ratio conservation.

Yeah priority 15 is the maximum priority and should always play :) About play PCM status, I think we already discussed that point ? The problem is that XGM commands may take 1 or even 2 frames (as in reality it's just a bit more than 1 frame in some situation) to be processed so XGM_isPCMPlaying() m...

You also need to have correct priority sprite wise (which are disconnected from high / low priority stuff). If you are using SGDK you can use the SPR_setDepth(..) method to change inter-sprite priority.

Oh why i was think having enable / disable was enough ? i guess i need more sleep
But if linker script always put code *before* data then it's really unlikely to meet the problem i guess.. I maybe move them in sega.s for security.

@Chilly Willy> Yeah indeed nothing prevent it. Even worse looking at OBJ building in makefile it looks like resources is placed before code, not a good idea. I may move SRAM methods in sega.s file (at least enable and disable functions), i don't like that solution too much but it's important to take...

SGDK uses SEGA SRAM mapper so it assumes base SRAM address to be 0x020000 and just require an offset (that is why the argument is called offset and not address). So in your case just use offset 0x0000. Also don't forget to enable SRAM (SRAM_enable()) before trying to read/write from/to it, then when...

Oh i guess it "optimized" the empty (space) character
You can disable IMAGE optimisation declaring it that way : But TILESET may be better in the end to avoid that issue

You just need to use one or the other: .res IMAGE custom_font "gfx/font.png" BEST .c VDP_loadFont(custom_font.tileset, DMA); should be enough to get your custom font loaded (i used IMAGE resource but the tileset as you did is also ok). If you need to set a specific palette then don't forget to load ...

Oh sorry I read too quickly your message
Indeed it was related to how you passed parameters.
Also there is a Discord server for SGDK, you have the link in the SGDK readme.txt file.

You need to set the current scroll mode first using VDP_setHorizontalScrollMode(..) or something like that (on my phone currently).