pokecrystal-board/engine/gfx/load_push_oam.asm

WriteOAMDMACodeToHRAM::
	ld c, LOW(hTransferShadowOAM)
	ld b, OAMDMACode.End - OAMDMACode
	ld hl, OAMDMACode
.copy
	ld a, [hli]
	ldh [c], a
	inc c
	dec b
	jr nz, .copy
	ret

OAMDMACode:
; This code is defined in ROM, but
; copied to and called from HRAM.
LOAD "OAM DMA", HRAM
hTransferShadowOAM::
	; initiate DMA
	ld a, HIGH(wShadowOAM)
	ldh [rDMA], a
	; wait for DMA to finish
	ld a, NUM_SPRITE_OAM_STRUCTS
.wait
	dec a
	jr nz, .wait
	ret
ENDL
.End:
Remove all address comments 2018-06-24 16:09:41 +02:00			`WriteOAMDMACodeToHRAM::`
wVirtualOAM -> wShadowOAM and hTransferVirtualOAM -> hTransferShadowOAM (#971) 2022-07-09 18:18:22 -03:00			`ld c, LOW(hTransferShadowOAM)`
Update to rgbds v0.7.0 2024-01-03 10:58:53 -05:00			`ld b, OAMDMACode.End - OAMDMACode`
Use LOAD/ENDL for OAM DMA code in HRAM (requires rgbds 0.4.1) 2020-07-21 19:43:56 -04:00			`ld hl, OAMDMACode`
			`.copy`
Remove all code from main.asm (some labeled INCBINs, like out-of-context graphics, are still present) engine/routines/ stores isolated out-of-context routines as individual files. It might be preferable later to append them to their related engine/ files in unique little SECTIONs, relying on the linkerscript to place them appropriately; or some other organization method. In the meantime, they're now easily findable apart from main.asm's other content. 2017-12-24 19:35:35 -05:00			`ld a, [hli]`
Update to rgbds 0.3.8 2019-02-16 12:17:55 -05:00			`ldh [c], a`
Remove all code from main.asm (some labeled INCBINs, like out-of-context graphics, are still present) engine/routines/ stores isolated out-of-context routines as individual files. It might be preferable later to append them to their related engine/ files in unique little SECTIONs, relying on the linkerscript to place them appropriately; or some other organization method. In the meantime, they're now easily findable apart from main.asm's other content. 2017-12-24 19:35:35 -05:00			`inc c`
			`dec b`
Use LOAD/ENDL for OAM DMA code in HRAM (requires rgbds 0.4.1) 2020-07-21 19:43:56 -04:00			`jr nz, .copy`
Remove all code from main.asm (some labeled INCBINs, like out-of-context graphics, are still present) engine/routines/ stores isolated out-of-context routines as individual files. It might be preferable later to append them to their related engine/ files in unique little SECTIONs, relying on the linkerscript to place them appropriately; or some other organization method. In the meantime, they're now easily findable apart from main.asm's other content. 2017-12-24 19:35:35 -05:00			`ret`

Use LOAD/ENDL for OAM DMA code in HRAM (requires rgbds 0.4.1) 2020-07-21 19:43:56 -04:00			`OAMDMACode:`
			`; This code is defined in ROM, but`
			`; copied to and called from HRAM.`
			`LOAD "OAM DMA", HRAM`
wVirtualOAM -> wShadowOAM and hTransferVirtualOAM -> hTransferShadowOAM (#971) 2022-07-09 18:18:22 -03:00			`hTransferShadowOAM::`
Use LOAD/ENDL for OAM DMA code in HRAM (requires rgbds 0.4.1) 2020-07-21 19:43:56 -04:00			`; initiate DMA`
wVirtualOAM -> wShadowOAM and hTransferVirtualOAM -> hTransferShadowOAM (#971) 2022-07-09 18:18:22 -03:00			`ld a, HIGH(wShadowOAM)`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [rDMA], a`
Use LOAD/ENDL for OAM DMA code in HRAM (requires rgbds 0.4.1) 2020-07-21 19:43:56 -04:00			`; wait for DMA to finish`
Resolve #461 2018-01-10 13:47:57 -05:00			`ld a, NUM_SPRITE_OAM_STRUCTS`
Use LOAD/ENDL for OAM DMA code in HRAM (requires rgbds 0.4.1) 2020-07-21 19:43:56 -04:00			`.wait`
Remove all code from main.asm (some labeled INCBINs, like out-of-context graphics, are still present) engine/routines/ stores isolated out-of-context routines as individual files. It might be preferable later to append them to their related engine/ files in unique little SECTIONs, relying on the linkerscript to place them appropriately; or some other organization method. In the meantime, they're now easily findable apart from main.asm's other content. 2017-12-24 19:35:35 -05:00			`dec a`
Use LOAD/ENDL for OAM DMA code in HRAM (requires rgbds 0.4.1) 2020-07-21 19:43:56 -04:00			`jr nz, .wait`
Remove all code from main.asm (some labeled INCBINs, like out-of-context graphics, are still present) engine/routines/ stores isolated out-of-context routines as individual files. It might be preferable later to append them to their related engine/ files in unique little SECTIONs, relying on the linkerscript to place them appropriately; or some other organization method. In the meantime, they're now easily findable apart from main.asm's other content. 2017-12-24 19:35:35 -05:00			`ret`
Use LOAD/ENDL for OAM DMA code in HRAM (requires rgbds 0.4.1) 2020-07-21 19:43:56 -04:00			`ENDL`
Update to rgbds v0.7.0 2024-01-03 10:58:53 -05:00			`.End:`