61 lines
1.4 KiB
PHP
61 lines
1.4 KiB
PHP
; load A/X macro
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.macro ldax arg
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.if (.match (.left (1, arg), #)) ; immediate mode
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lda #<(.right (.tcount (arg)-1, arg))
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ldx #>(.right (.tcount (arg)-1, arg))
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.else ; assume absolute or zero page
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lda arg
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ldx 1+(arg)
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.endif
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.endmacro
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; store A/X macro
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.macro stax arg
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sta arg
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stx 1+(arg)
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.endmacro
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; load A/Y macro
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.macro lday arg
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.if (.match (.left (1, arg), #)) ; immediate mode
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lda #<(.right (.tcount (arg)-1, arg))
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ldy #>(.right (.tcount (arg)-1, arg))
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.else ; assume absolute or zero page
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lda arg
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ldy 1+(arg)
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.endif
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.endmacro
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.macro phax
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pha
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txa
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pha
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.endmacro
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.macro plax
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pla
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tax
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pla
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.endmacro
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; -- LICENSE FOR common.inc --
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; The contents of this file are subject to the Mozilla Public License
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; Version 1.1 (the "License"); you may not use this file except in
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; compliance with the License. You may obtain a copy of the License at
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; http://www.mozilla.org/MPL/
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;
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; Software distributed under the License is distributed on an "AS IS"
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; basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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; License for the specific language governing rights and limitations
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; under the License.
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;
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; The Original Code is ip65.
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;
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; The Initial Developer of the Original Code is Per Olofsson,
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; MagerValp@gmail.com.
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; Portions created by the Initial Developer are Copyright (C) 2009
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; Per Olofsson. All Rights Reserved.
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; -- LICENSE END --
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