23 lines
350 B
ArmAsm
23 lines
350 B
ArmAsm
// #LAYOUT# STD * #TAKE
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// #LAYOUT# * KERNAL_0 #TAKE
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// #LAYOUT# * * #IGNORE
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//
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// GFX/TXT mode switch handling within CHROUT
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//
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chrout_screen_GFX:
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lda VIC_YMCSB
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and #$02 // to upper case
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!:
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sta VIC_YMCSB
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jmp chrout_screen_done
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chrout_screen_TXT:
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lda VIC_YMCSB
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ora #$02 // to lower case
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bne !- // branch always
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