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- Users: MisterNobody
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Invalid string offset AH=9 INT21h
->straiph It's good idea to define two segment in listing of COM program. You would like to do anything but linker doesn't it.- MisterNobody
- Post #7
- Forum: Assembly
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Invalid string offset AH=9 INT21h
ASSUME CS:CODE_SEG,DS:DATA_SEG CODE_SEG SEGMENT ORG 100h MAIN PROC NEAR ; !!!!!!!!!!!!! MOV AX,DATA_SEG MOV DS,AX ; !!!!!!!!!!!!! MOV AH,09 LEA DX,USAGE_LINE INT 21h INT 20h MAIN ENDP CODE_SEG ENDS DATA_SEG SEGMENT USAGE_LINE DB 'VID.COM v0.0.0 [:IO:]...- MisterNobody
- Post #5
- Forum: Assembly
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Invalid string offset AH=9 INT21h
ASSUME CS:CODE_SEG,DS:DATA_SEG CODE_SEG SEGMENT ORG 100h MAIN PROC NEAR MOV AX,DATA_SEG ; !!!!!!!!!!!!!!!!!!!! MOV DS,AX ; MOV AH,09 LEA DX,USAGE_LINE ...- MisterNobody
- Post #4
- Forum: Assembly
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Does anyone have BIOS source code i
I would like to write my own mini-OS which one should be written to a standard BIOS EPROM (256k). Thanks AmkG, I have such source code of XT BIOS (also in printed form).- MisterNobody
- Post #6
- Forum: Assembly
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Does anyone have BIOS source code i
I'm interesting in chipset-special initialization code of DMA (especially memory refresh), IRQ and so on.- MisterNobody
- Post #5
- Forum: Assembly
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Does anyone have BIOS source code i
Does anyone have BIOS source code in assembly for Intel FX,BX,EX or other chipsets? I mean real source code with comments, normal variables names, not acquired with dissassembler.- MisterNobody
- Thread
- Replies: 6
- Forum: Assembly
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Is the "Assembly Links" page really empty?
Make your own site...- MisterNobody
- Post #4
- Forum: Assembly
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Segment of pointer in Turbo C
It is better to use defined in DOS.H macros FP_SEG(void far *p) and FP_OFF(void far *p): seg=FP_SEG(&x) off=FP_OFF(&x)- MisterNobody
- Post #3
- Forum: C
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Array question
It doesn't work because you use the same segment pointer for array and screen: mov bx,[di] -> mov bx, ds:[di] -> mov bx, 0B800h:[di] but it should be mov bx,[di] -> mov bx, ds:[di] -> mov bx, data:[di] So, you can modify your example as following: main proc call outline ;this section...- MisterNobody
- Post #3
- Forum: Assembly
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Array question
It doesn't work because you use the same segment pointer for array and screen: mov bx,[di] -> mov bx, ds:[di] -> mov bx, 0B800h:[di] but it should be mov bx,[di] -> mov bx, ds:[di] -> mov bx, data:[di] So, you can modify your example as following: main proc call outline ;this section...- MisterNobody
- Post #2
- Forum: Assembly
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Hi , How do we get the size of RA
INT 15 - SYSTEM - later PS/2s - RETURN MEMORY-MAP INFORMATION AH = C7h DS:SI -> user supplied memory map table (see #0355) Note: call AH=C0h and examine bit 4 of feature byte 2 to check if this function is supported Return: CF set on error, clear if successful SeeAlso: AH=C0h,AH=C9h,AH=D1h...- MisterNobody
- Post #2
- Forum: Assembly
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Need a tool functions as debug.exe
I have small debuggers which allow you to debug programm with 32 bit instruction I can send it to you via e-mail (about 100-200 Kbytes) If would like to get it write me at: misternobody@mail.ru or misternobody2000@yahoo.ru- MisterNobody
- Post #4
- Forum: Assembly
