2002-03-08 16:49:31 +00:00
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;
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; Maciej 'YTM/Elysium' Witkowiak
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;
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; Screen size variables
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;
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2003-04-17 11:45:53 +00:00
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; 6.3.2001, 17.4.2003
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2002-03-08 16:49:31 +00:00
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2005-02-26 09:28:46 +00:00
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2012-01-31 21:15:28 +00:00
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.include "geossym.inc"
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2002-03-08 16:49:31 +00:00
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.export xsize, ysize
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2003-04-17 11:45:53 +00:00
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.export screensize
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2002-12-31 15:35:55 +00:00
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.importzp cursor_r, cursor_c
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.import _cursor
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2002-03-08 16:49:31 +00:00
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.constructor initscrsize
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2005-02-26 09:28:46 +00:00
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.segment "INIT"
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2002-03-08 16:49:31 +00:00
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initscrsize:
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lda graphMode
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bpl L1
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lda #80 ; 80 columns (more or less)
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.byte $2c
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L1: lda #40 ; 40 columns (more or less)
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sta xsize
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lda #24 ; something like that for Y size
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sta ysize
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2002-12-31 15:35:55 +00:00
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ldx #1
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stx cursor_r
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dex
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stx cursor_c
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txa
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jmp _cursor ; home and update cursor
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2002-03-08 16:49:31 +00:00
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2003-04-17 11:45:53 +00:00
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screensize:
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ldx xsize
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ldy ysize
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rts
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2002-03-08 16:49:31 +00:00
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.bss
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xsize: .res 1
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ysize: .res 1
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