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ez80: report if RTC is not powered

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This commit is contained in:
Dean Netherton
2024-07-16 17:02:53 +10:00
parent ba8cd05cb7
commit 37a7574f1f
1 changed files with 7 additions and 1 deletions
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8
Source/HBIOS/ez80rtc.asm
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@@ -25,8 +25,14 @@ EZ80RTC_INIT:
LD A, 1 ; RTC FIRMWARE FUNCTION GROUP
LD B, 0 ; RTC INIT FUNCTION
EZ80_FN
; TODO VERIFY SUCCESS -> A IS ZERO
JR Z, RTC_POWERED
PUSH AF
PRTS("NOT POWERED$")
POP AF
RET
RTC_POWERED:
; DISPLAY CURRENT TIME
LD HL, EZ80RTC_BCDBUF_EXT ; POINT TO BCD BUF EXTENDED
LD A, 1 ; RTC FIRMWARE FUNCTION GROUP