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Jonathan Campbell
2019-03-20 02:07:15 -07:00
parent b6ac2a538c
commit 42b0ce4783
1 changed files with 18 additions and 0 deletions
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18
NOTES/PC-98 INT DCh/MS-DOS 5.00 boot144.md
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@@ -386,6 +386,24 @@ INT DC = 60:36B3
0ADC:0BF3: 0ADC:0BF3:
return return
--
; ESC [ A
; SI = ANSI escape area (2852h)
0ADC:0C49:
IF BYTE PTR DS:[0129] != 1 JMP C6Bh
0ADC:0C50:
CX = WORD PTR DS:[SI] ; numeric value before "A" character, parameter
AX = BYTE PTR DS:[0110] ; Cursor Y position
IF CX == 0 THEN CX = 1 ; AND CX, CX ; JNE C5Eh ; MOV CX, 1
0ADC:0C5E:
IF CX > AX THEN CX = AX ; CMP AX, CX ; JNC C64h ; MOV CX, AX
0ADC:0C64:
BYTE PTR DS:[0110] -= CL ; Cursor Y position -= parameter
CALL 1535h ; update cursor position on screen
0ADC:0C6B:
return
-- --
; Entry: CL = character code ; Entry: CL = character code