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|
; TLL - A version of the Spectrum game TLL for the Super Nintendo
;
; Copyright (C) 2018 Ian Cowburn (ianc@noddybox.co.uk)
;
; This program is free software: you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation, either version 3 of the License, or
; (at your option) any later version.
;
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program. If not, see <http://www.gnu.org/licenses/>.
;
; -------------------------------------------------------------------------
;
; Macros
;
DMA: macro mode,source,dest,len
pha
lda #@mode
sta DMAP0
lda #@dest
sta BBAD0
lda #@source & $ff
sta A1T0L
lda #{@source >> 8} & $ff
sta A1T0H
lda #{@source >> 16} & $ff
sta A1B0
lda #@len & $ff
sta DAS0L
lda #{@len >> 8} & $ff
sta DAS0H
lda #1
sta MDMAEN
pla
endm
ACC16: macro
.m16
rep #$20
endm
ACC8: macro
.m8
sep #$20
endm
INDEX16:macro
.x16
rep #$10
endm
INDEX8: macro
.x8
sep #$10
endm
|
