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- ; the ZX Spectrum BASIC firmware scans the keyboard for ASCII codes on clock interrupts
- ; this routine just waits for a key and reads its value
-
- k_getc:
- ;ei
- push hl
- ld hl, 23611 ; ZXS_FLAGS
- res 5, (hl)
- .loop:
- bit 5, (hl) ; pressed?
- jr z, .loop
- ld hl, 23560 ; ZXS_LASTK
- ld a, (hl)
- pop hl
- ret
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