6502 HEX MONITOR LISTING (continued)

FFEB FFED FFEF FFF2 FFF4 FFF7 FFF8 FFFA FFFC FFFE

90 02 69 09 2C 12 D0 30 FB 8D 12 D0 60 00 00 00 0F 00 FF 00 00

ECHO (unused) (NMI) (RESET) (IRQ)

BCC ECHO ADC #$06 BIT DSP BMI ECHO STA DSP RTS

Yes, output it. Add offset for letter. DA bit (B7) cleard yet? No, wait for display. output character. Sets DA. Return.

HARDWARE NOTES

Page 0 Variables XAML XAMH STL STH L H YSAV MODE 24 25 26 27 28 29 2A 2B

Other Variables IN KBD KBD CR DSP DSP CR 200-27F D010 D011 D012 D013

KBD/DSP Interface

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