66 lines
790 B
Plaintext
66 lines
790 B
Plaintext
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;conio - console I/O routines
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;mostly just repackaged BDOS stuff
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;for cpm zmac:
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;ZZglobal putchar
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;ZZglobal putbyte
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;ZZglobal getchar
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;ZZglobal getch
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;ZZglobal kbhit
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;putchar - put char in a
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;puts CR before any LF output
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;f corrupt, others preserved
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putchar:
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cp 10
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jr nz,putbyte
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ld a,13
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call putbyte
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ld a,10
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;FALLS THROUGH
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;putbyte - put char in a without translation
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;preserves all regs
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putbyte:
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push af
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push bc
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push de
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push hl
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ld e,a
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ld c,2
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call 5
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pop hl
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pop de
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pop bc
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pop af
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ret
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;getchar - get char into a (without echo)
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;preserves all but f
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getch: ;same
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getchar:
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push bc
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push de
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push hl
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getchlp:
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call kbhit
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jr nc,getchlp
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ld e,0ffh
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ld c,6
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call 5
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pop hl
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pop de
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pop bc
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ret
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;kbhit - like the common DOS C function
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;returns c if key pressed, nc if not
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kbhit:
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ld c,11
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call 5
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rra
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ret
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