add fnuction
This commit is contained in:
166
source/fcrd.asm
166
source/fcrd.asm
@@ -12,11 +12,18 @@ getParameterandCheckXMS MACRO
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MOV BL,01h
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CMP BYTE PTR CS:[statXMSinstalled],01h
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ENDM
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;PUSH BP
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;MOV BP,SP
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;MOV BL,01
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;CMP BYTE PTR CS:[011D],01
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callXMSReturn MACRO
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MOV CS:[GUEST_statusXMS],BL
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POP BP
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RET
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ENDM
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;MOV CS:[011E],BL
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;POP BP
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;RET
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.code
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org 100h
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@@ -24,6 +31,7 @@ start:
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JMP prepareTSR
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;org 0103h
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originES DW 0x0000
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;0105h
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ExtMemAddr DW 0000h
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;
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XMSDRVVERSION DW 0x0000
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@@ -32,10 +40,14 @@ XMSDRVADDR_BX DW 0x0000
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XMSDRVADDR_ES DW 0x0000
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;011Dh
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statXMSinstalled DB 0x00 ;01=INSTALLED, 00=NOINSTALL
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;011Eh
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GUEST_statusXMS DB 0x00 ;01=BUSY?, 00=IDLE/Exited Normally, other=XMS Error Code
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;011Fh
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data11F DB 0x00
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;------------------------------------
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;org 120h
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;fcz buffer
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;asc16.fcz 120h-220h
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res00h DB 80 DUP(0x00)
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res01h DB 80 DUP(0x01)
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res02h DB 80 DUP(0x02)
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@@ -68,6 +80,9 @@ res41F0h DW 125 DUP(0x41F0)
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res200h DB 32 DUP(0x00)
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data00h DB 8 DUP(0x00)
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;-u 16d0 1bcf
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;16D4h
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data16D4 DW 0000h
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data16D6 DW 0000h
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;0876:16D0: 0000 ADD [BX+SI],AL
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;0876:16D2: 0000 ADD [BX+SI],AL
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;0876:16D4: 0000 ADD [BX+SI],AL
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@@ -344,14 +359,16 @@ ISR81hEntry: ;interrupt service routine
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PUSH ES
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CMP AH,81h ;if AH!=81h jump to ISR_Return.
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JNZ ISR_Return
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CMP BYTE PTR CS:[statXMSinstalled],01h
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CMP BYTE PTR CS:[data11F],01h
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JZ ISR_Return
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CMP AL,03h
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JNZ 18DAh
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JNZ ISR00hselfCheck
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NOP ;
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NOP ;
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MOV BYTE PTR CS:[statXMSinstalled],01h
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MOV BYTE PTR CS:[data11F],01h
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CALL Fn181E
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MOV BYTE PTR CS:[data11F],00h
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JMP ISR_Return
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;0876:18AF: 1E PUSH DS
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;0876:18B0: 06 PUSH ES
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@@ -367,13 +384,34 @@ ISR81hEntry: ;interrupt service routine
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;0876:18CE: E84DFF CALL 181E
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;0876:18D1: 2EC6061F0100 MOV BYTE PTR CS:[011F],00
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;0876:18D7: E9A400 JMP 197E
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Fn18DA:
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ISR00hselfCheck:
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CMP AL,00h ;功能00h，检查是否为fcrd驻留，应返回AL=81h。
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JNZ ISR01h
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NOP ;
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NOP ;
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MOV AL,81h
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JMP ISR_Return
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;0876:18DA: 3C00 CMP AL,00
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;0876:18DC: 7507 JNZ 18E5
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;0876:18DE: 90 NOP
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;0876:18DF: 90 NOP
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;0876:18E0: B081 MOV AL,81
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;0876:18E2: E99900 JMP 197E
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;--------------------
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ISR01h:
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CMP AL,01
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JNZ Fn192D
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NOP
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NOP
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MOV CX,010Ah ;Allocated 10A KB ExtMem
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CALL CheckandAllocatedExtMem
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CMP BX, 00h
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JNZ Fn18FD
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NOP
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NOP
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MOV AH,01h ;if ExtAddr == 00h, return
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JMP ISR_Return
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;0876:18E5: 3C01 CMP AL,01
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;0876:18E7: 7544 JNZ 192D
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;0876:18E9: 90 NOP
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@@ -386,6 +424,23 @@ Fn18DA:
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;0876:18F7: 90 NOP
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;0876:18F8: B401 MOV AH,01
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;0876:18FA: E98100 JMP 197E
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Fn18FD:
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PUSH BX
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MOV BYTE PTR CS:[1A41],00
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CALL Fn19FA
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POP BX
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CMP BYTE PTR CS:[1A41],00
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JNZ Fn1925
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NOP
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NOP
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MOV AH,4A
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MOV BX,[1A42]
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PUSH WORD PTR CS:[0103]
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POP ES
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INT 21
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MOV AH,00h
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JMP ISR_Return
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;0876:18FD: 53 PUSH BX
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;0876:18FE: 2EC606411A00 MOV BYTE PTR CS:[1A41],00
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;0876:1904: E8F300 CALL 19FA
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@@ -401,7 +456,9 @@ Fn18DA:
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;0876:191E: CD21 INT 21
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;0876:1920: B400 MOV AH,00
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;0876:1922: EB5A JMP 197E
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NOP ;
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;0876:1924: 90 NOP
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Fn1925:
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;0876:1925: E85BFE CALL 1783
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;0876:1928: B402 MOV AH,02
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;0876:192A: EB52 JMP 197E
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@@ -461,6 +518,60 @@ ISR_Return:
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;0876:197F: 1F POP DS
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;0876:1980: CF IRET
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;-----------------------------------------
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Fn1981:
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PUSH CS ;set cs=ds
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POP DS
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MOV AH,3Dh ;open file handle
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MOV AL,00h ;read only
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INT 21
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JB Fn19F2 ;if error happend CF=1, jump to Fn19F2.
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NOP
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NOP
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MOV CS:[GUEST_filehandle],AX ;save file handle
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PUSH DS
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PUSH ES
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Fn1993:
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MOV AH,3F ;read file content
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MOV BX,CS:[GUEST_filehandle]
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MOV CX,1000 ;read 4096 Byte
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PUSH CS
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POP DS
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MOV DX,0120
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INT 21
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JB Fn19DD ;if error happend CF=1, jump to Fn19DD.
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NOP
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NOP
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CMP AX,0000 ;check if read EOF, End reading jump to 19e4
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JZ Fn19E4_EndReading
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NOP
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NOP
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PUSH AX
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MOV DX,0000
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PUSH DX
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PUSH AX
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PUSH CS
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MOV DX,0120
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PUSH DX
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PUSH WORD PTR CS:[16D6]
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PUSH WORD PTR CS:[16D4]
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PUSH WORD PTR CS:[0105]
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CALL 1A5C
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ADD SP,+0E
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POP AX
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ADD CS:[16D4],AX
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ADC WORD PTR CS:[16D6],+00
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JMP Fn1993
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Fn19DD: ;Error Slove
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MOV BYTE PTR CS:[data1A41],01
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NOP
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Fn19E4_EndReading:
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POP ES
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POP DS
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MOV AH,3E
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MOV BX,CS:[GUEST_filehandle]
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INT 21
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JMP RETURN_19F9
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NOP
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;0876:1981: 0E PUSH CS
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;0876:1982: 1F POP DS
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;0876:1983: B43D MOV AH,3D
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@@ -511,9 +622,33 @@ ISR_Return:
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;0876:19ED: CD21 INT 21
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;0876:19EF: EB08 JMP 19F9
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;0876:19F1: 90 NOP
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Fn19F2:
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MOV BYTE PTR CS:[data1A41],01h
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NOP
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RETURN_19F9:
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RET
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;0876:19F2: 2EC606411A01 MOV BYTE PTR CS:[1A41],01
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;0876:19F8: 90 NOP
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;0876:19F9: C3 RET
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Fn19FA:
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MOV WORD PTR CS:[data16D4],0000h
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MOV WORD PTR CS:[data16D6],0000h
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MOV DX, filename_ASCII_FONTS ;file name asc16.fcz
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CALL Fn1981 ;read file
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CMP BYTE PTR CS:[data1A41],00h ; if !=00h error happend
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JNZ RETURN_1A2B
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NOP
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NOP
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MOV DX, filename_HANZI_FONTS ;file name hz16.fcz
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CALL Fn1981
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CMP BYTE PTR CS:[data1A41],00h
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JNZ RETURN_1A2B
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NOP
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NOP
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JMP RETURN_1A2B
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NOP
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RETURN_1A2B:
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RET
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;0876:19FA: 2EC706D4160000 MOV WORD PTR CS:[16D4],0000
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;0876:1A01: 2EC706D6160000 MOV WORD PTR CS:[16D6],0000
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;0876:1A08: BA2C1A MOV DX,1A2C
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@@ -534,9 +669,12 @@ ISR_Return:
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;---------------------------------------------------
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;string
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;org 1a2ch
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GUEST_filename DB "asc16.fcz.hz16.fcz"
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data1A3E DW 0x0000
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data1A40 DW 0x0000
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filename_ASCII_FONTS DB "asc16.fcz", 00h
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;1a36
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filename_HANZI_FONTS DB "hz16.fcz", 00h
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;1A3F
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GUEST_filehandle DW 0000h
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data1A41 DB 00h ;fcz load status 01h=ERROR, 00=OK
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data1A42 DW 0x0000
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;0876:1A2C: 61 POPA
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;0876:1A2D: 7363 JAE 1A92
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@@ -555,6 +693,17 @@ data1A42 DW 0x0000
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;0876:1A4A: FB STI
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;0876:1A4B: 00750D ADD [DI+0D],DH
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;=====wasted====================
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CheckandAllcatedExtMem:
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MOV BX, WORD PTR CS:[ExtMemAddr]
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CMP BX, 0000h ;check XMS External Memory Address, if not empty, return.
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JNZ RETURN_1A5B
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NOP ;
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NOP ;
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PUSH CX ;pass the parameter
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CALL Allocate_Extended_Memory
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POP CX
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MOV BX,AX ;save Allocated Memory Block Address
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MOV CS:[ExtMemAddr],AX
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;0x1a44: 2E 8B 1E 05 01 mov bx, word ptr cs:[0x105]
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;0x1a49: 83 FB 00 cmp bx, 0
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;0x1a4c: 75 0D jne 0x1a5b
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@@ -565,7 +714,10 @@ data1A42 DW 0x0000
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;0876:1A54: 59 POP CX
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;0876:1A55: 8BD8 MOV BX,AX
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;0876:1A57: 2EA30501 MOV CS:[0105],AX
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RETURN_1A5B:
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RET
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;0876:1A5B: C3 RET
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;------------------
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;0876:1A5C: 55 PUSH BP
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;0876:1A5D: 8BEC MOV BP,SP
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;0876:1A5F: 56 PUSH SI
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