Studium/Hardwarenahe_Programmierung
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a4: Displayanzeige

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This commit is contained in:
Johannes Theiner 2018-12-06 09:48:01 +01:00
parent 0aa2c30f62
commit f3741f1c38
1 changed files with 39 additions and 0 deletions
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39
src/asm/a4.asm
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@ -13,7 +13,11 @@ status db 00000000b ; Statusbyte
tcounts db 0 ; Impulszaehler fuer Servo, Vorwaertszaehler
tcountv dw 100 * twait ; Impulszaehler fuer Verzoegerung * 10ms
<<<<<<< HEAD
; Rueckwaertszaehler
=======
count db 8 ; Rueckwaertszaehler
>>>>>>> 0aa2c30f62e6ec53f2e21b4039abeb1581d460d8
frei db 'frei ', 0 ; Texte
belegt db 'belegt ', 0
@ -91,6 +95,36 @@ again:
times shcnt shr ax, 1
<<<<<<< HEAD
cmp ax, 0x0
jle ifzero
cmp ax, 0x0
jnz ifnotzero
jmp again
ifnotzero:
mov ah, ascii
mov dl, 7
mov bx, frei
int conout
jmp again
ifzero:
mov ah, ascii
mov dl, 7
mov bx, belegt
int conout
mov dx, pieces << shcnt
and dx, 10000001b
mov [status], dx
jmp again
=======
;cmp ax, 0x0
;jbe ifzero
@ -106,6 +140,7 @@ ifzero:
ret
>>>>>>> 0aa2c30f62e6ec53f2e21b4039abeb1581d460d8
; Initialisierung Controller und Interruptsystem
@ -216,3 +251,7 @@ isr_servotimer_out: ; Ausgang aus dem Service
iret
<<<<<<< HEAD
=======
>>>>>>> 0aa2c30f62e6ec53f2e21b4039abeb1581d460d8