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36 lines
528 B
ArmAsm
36 lines
528 B
ArmAsm
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;
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; Maciej 'YTM/Elysium' Witkowiak
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;
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; 27.10.2001
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; void screensize (unsigned char* x, unsigned char* y);
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;
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.export _screensize
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.import popax
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.importzp ptr1, ptr2
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.include "../inc/geossym.inc"
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_screensize:
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sta ptr1 ; Store the y pointer
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stx ptr1+1
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jsr popax ; get the x pointer
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sta ptr2
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stx ptr2+1
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ldy #0
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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 (ptr2),y
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lda #24 ; something like that for Y size
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sta (ptr1),y
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rts
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