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If kbhit() detects that a key is pressed, it fetches and buffers the character. If cgetc() detects a buffered character, this one is returned instead of fetching one with the PROM routine.
21 lines
589 B
ArmAsm
21 lines
589 B
ArmAsm
;
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; Additional zero page locations for the Challenger 1P.
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; NOTE: The zeropage locations contained in this file get initialized
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; in the startup code, so if you change anything here, be sure to check
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; not only the linker config, but also the startup file.
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;
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; ------------------------------------------------------------------------
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.include "extzp.inc"
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.segment "EXTZP" : zeropage
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CURS_X: .res 1
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CURS_Y: .res 1
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SCREEN_PTR: .res 2
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CHARBUF: .res 1
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; size 5
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; Adjust size of the ZP segment in osic1p.cfg if the size changes
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