Files
286Racer/SOURCE/VIDEO
Philip Smart 7daa2da009 First push
2020-03-02 12:12:12 +00:00

86 lines
1.3 KiB
Plaintext
Executable File
Raw Permalink Blame History

This file contains invisible Unicode characters
This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
M1: DW OFFSET SET_MODE
DW OFFSET SET_CTYPE
DW OFFSET SET_CPOS
DW OFFSET READ_CURSOR
DW OFFSET READ_LPEN
DW OFFSET ACT_DISP_PAGE
DW OFFSET SCROLL_UP
DW OFFSET SCROLL_DOWN
DW OFFSET READ_AC_CURRENT
DW OFFSET WRITE_AC_CURRENT
DW OFFSET WRITE_C_CURRENT
DW OFFSET SET_COLOR
DW OFFSET WRITE_DOT
DW OFFSET READ_DOT
DW OFFSET WRITE_TTY
DW OFFSET VIDEO_STATE
DW OFFSET VIDEO_RETURN
DW OFFSET VIDEO_RETURN
DW OFFSET VIDEO_RETURN
DW OFFSET WRITE_STRING
M1N:
M1L EQU M1N-M1
VIDEO: STI
CLD
CMP AH,MIL/2
JNB M4
PUSH ES
PUSH DS
PUSH DX
PUSH CX
PUSH BX
PUSH SI
PUSH DI
PUSH BP
MOV SI,DATA
MOV DS,SI
MOV SI,AX
MOV AL,BYTE PTR EQUIP_FLAG
AND AL,30H
CMP AL,30H
MOV DI,0B800H
JNE M2
MOV DI,0B000H
M2: MOV ES,DI
MOV AL,AH
CBW
SAL AX,1
XCHG SI,AX
MOV AH,BYTE PTR CRT_MODE
JMP WORD PTR CS:[SI+OFFSET M1]
M4: IRET
SET_MODE:
MOV DX,03D4H
MOV DI,WORD PTR EQUIP_FLAG
AND DI,30H
CMP DI,30H
JNE M8C
MOV AL,7
MOV DL,0B4H
JMP SHORT M8
M8C: CMP AL,7
JB M8
MOV AL,0
CMP DI,20H
JE M8
MOV AL,2
M8: MOV BYTE PTR CRT_MODE,AL
MOV WORD PTR ADDR_6845,DX
MOV BYTE PTR ROWS,25-1
PUSH DS
PUSH AX
CBW
MOV SI,AX
MOV AL,CS:[SI+OFFSET M7]
MOV BYTE PTR CRT_MODE_SET,AL
AND AL,037H
PUSH DX
ADD DX,4
OUT DX,AL
POP DX
SUB BX,BX
MOV DS,BX