Sprite Engine

SNDK_SpriteEngine

Manage sprites and their animation automatically

• uint16 oam OAM address
• uint16 n Number of sprites (multiple of two and 16 maximum)
• uint8 ndma DMA transfer per frame (0, 1 or 2)

call SNDK_SpriteEngine: 0,8,2

SNDK_SPR_LIST

For animation, it reads a list like this:

SNDK_LIST:
LIST_SPR1:
// label   data              anim
.data.l   HERO_SPR:,HERO_ANIM:
.data.w 0x6000, 0x80,0x200,         0x0F
//---------VRAM    size   decalage  , channel

LIST_SPR2:
.data.l   HERO_SPR:,HERO_ANIM:
.data.w 0x6040, 0x80,0x200,         0x0F
//------------------------

HERO_ANIM:
.data.w (11*2),0x00 ,0x00,0x00,0x80,0x80,0x80,0x100,0x100,0x100,0x80,0x80,0x80
.data.w (11*2),0x800 ,0x800,0x800,0x880,0x880,0x880,0x900,0x900,0x900,0x880,0x880,0x880
.data.w (11*2),0x1000 ,0x1000,0x1000,0x1080,0x1080,0x1080,0x1100,0x1100,0x1100,0x1080,0x1080,0x1080