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New ROMLDR and INTRTC driver

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- Refactored romldr.asm
- Added new periodic timer based RTC driver
This commit is contained in:
Wayne Warthen
2020-04-05 16:01:04 -07:00
parent 2e2d2bebd7
commit d9bed4563e
48 changed files with 1942 additions and 1285 deletions
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12
Source/HBIOS/simrtc.asm
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@@ -71,13 +71,7 @@ SIMRTC_GETTIM:
LD HL,SIMRTC_BUF ; SOURCE ADR
POP DE ; DEST ADR
LD BC,SIMRTC_BUFSIZ ; LENGTH
#IF (INTMODE == 1)
DI
#ENDIF
CALL HB_BNKCPY ; COPY THE CLOCK DATA
#IF (INTMODE == 1)
EI
#ENDIF
;
LD DE,60 ; DELAY 60 * 16US = ~1MS
CALL VDELAY ; SLOW DOWN SIMH FOR CLOCK TICKING TEST
@@ -107,13 +101,7 @@ SIMRTC_SETTIM:
LD (HB_DSTBNK),A ; SET IT
LD DE,SIMRTC_BUF ; DEST ADR
LD BC,SIMRTC_BUFSIZ ; LENGTH
#IF (INTMODE == 1)
DI
#ENDIF
CALL HB_BNKCPY ; COPY THE CLOCK DATA
#IF (INTMODE == 1)
EI
#ENDIF
;
LD HL,SIMRTC_BUF ; POINT TO TEMP BUF
LD A,SIMRTC_CLKWRITE ; WRITE CLOCK COMMAND