14 lines
399 B
ArmAsm
14 lines
399 B
ArmAsm
* AUXMEM.SHR.S
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* (c) Bobbi 2022 GPLv3
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*
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* Routines for drawing bitmapped text and graphics in SHR mode
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* on Apple IIGS (640x200 4 colour, or 320x200 16 colour.)
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*
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* Enable SHR mode
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SHRVDU22 JSR VDU12 ; Clear text and HGR screen
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LDA #$80 ; Most significant bit
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TSB NEWVIDEO ; Enable SHR mode
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RTS
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