test$ cat test1.asm

section DOSENTRY class=DOSENTRY
..start:
        call far label
        mov ax, 4C00h
        int 21h

section SYSINITSEG class=SYSINIT align=16
        times 256 int3

section SYSINITTRAIL class=SYSINIT
group SYSINITGROUP SYSINITSEG SYSINITTRAIL
        times 256 int3

label:
        retf

        times 256 int3

section MZEXESTACK stack class=STACK align=16
        resb 512
test$ cat test2.asm

section DOSENTRY class=DOSENTRY

 extern label
..start:
        call far label
        mov ax, 4C00h
        int 21h

section SYSINITSEG class=SYSINIT align=16
section SYSINITTRAIL class=SYSINIT
group SYSINITGROUP SYSINITSEG SYSINITTRAIL
test$ cat test3.asm
section SYSINITSEG class=SYSINIT align=16
        times 256 int3

section SYSINITTRAIL class=SYSINIT
group SYSINITGROUP SYSINITSEG SYSINITTRAIL
        times 256 int3

 global label
label:
        retf

        times 256 int3

section MZEXESTACK stack class=STACK align=16
        resb 512
test$ nasm test1.asm -fobj && ~/proj/msdos4.hg/hg/warplink.sh /mx test1.obj,test1.exe,test1.map\; && dos ldebug\ test1.exe
dosemu -dumb -td -kt -q -quiet -K /home/evln/wwwecm/test/20250830 -E warplink  /mx test1.obj,test1.exe,test1.map;
About to Execute : warplink  /mx test1.obj,test1.exe,test1.map;

WarpLink release 2 by ecm (2025 August), Michael Devore (1989-1993).
Public Domain software, all copyrights surrendered.


EXE load image size: 002K
About to Execute : ldebug test1.exe
lDebug (2025-03-09)
-r
AX=0000 BX=0000 CX=0311 DX=0000 SP=0200 BP=0000 SI=0000 DI=0000
DS=2B37 ES=2B37 SS=2B79 CS=2B47 IP=0000 NV UP EI PL ZR NA PE NC
2B47:0000 9A0002482C        call    2C48:0200
-t
AX=0000 BX=0000 CX=0311 DX=0000 SP=01FC BP=0000 SI=0000 DI=0000
DS=2B37 ES=2B37 SS=2B79 CS=2C48 IP=0200 NV UP EI PL ZR NA PE NC
2C48:0200 DC38              fdivr   double [bx+si]                   DS:0000=CD
-q
test$ nasm test2.asm -fobj && nasm test3.asm -fobj && ~/proj/msdos4.hg/hg/warplink.sh /mx test2.obj+test3.obj,test23.exe,test23.map\; && dos ldebug\ test23.exe
dosemu -dumb -td -kt -q -quiet -K /home/evln/wwwecm/test/20250830 -E warplink  /mx test2.obj+test3.obj,test23.exe,test23.map;
About to Execute : warplink  /mx test2.obj+test3.obj,test23.exe,test23.map;

WarpLink release 2 by ecm (2025 August), Michael Devore (1989-1993).
Public Domain software, all copyrights surrendered.


EXE load image size: 002K
About to Execute : ldebug test23.exe
lDebug (2025-03-09)
-r
AX=0000 BX=0000 CX=0311 DX=0000 SP=0200 BP=0000 SI=0000 DI=0000
DS=2B37 ES=2B37 SS=2B79 CS=2B47 IP=0000 NV UP EI PL ZR NA PE NC
2B47:0000 9A0002482B        call    2B48:0200
-t
AX=0000 BX=0000 CX=0311 DX=0000 SP=01FC BP=0000 SI=0000 DI=0000
DS=2B37 ES=2B37 SS=2B79 CS=2B48 IP=0200 NV UP EI PL ZR NA PE NC
2B48:0200 CB                retf
-q
test$ nasm -v
NASM version 2.16.02rc2 compiled on Oct 12 2023
test$ ~/proj/nasm/nasm test1.asm -fobj && ~/proj/msdos4.hg/hg/warplink.sh /mx test1.obj,test1.exe,test1.map\; && dos ldebug\ test1.exe
dosemu -dumb -td -kt -q -quiet -K /home/evln/wwwecm/test/20250830 -E warplink  /mx test1.obj,test1.exe,test1.map;
About to Execute : warplink  /mx test1.obj,test1.exe,test1.map;

WarpLink release 2 by ecm (2025 August), Michael Devore (1989-1993).
Public Domain software, all copyrights surrendered.


EXE load image size: 002K
About to Execute : ldebug test1.exe
lDebug (2025-03-09)
-r
AX=0000 BX=0000 CX=0311 DX=0000 SP=0200 BP=0000 SI=0000 DI=0000
DS=2B37 ES=2B37 SS=2B79 CS=2B47 IP=0000 NV UP EI PL ZR NA PE NC
2B47:0000 9A0002482B        call    2B48:0200
-t
AX=0000 BX=0000 CX=0311 DX=0000 SP=01FC BP=0000 SI=0000 DI=0000
DS=2B37 ES=2B37 SS=2B79 CS=2B48 IP=0200 NV UP EI PL ZR NA PE NC
2B48:0200 CB                retf
-q
test$ ~/proj/nasm/nasm test2.asm -fobj && ~/proj/nasm/nasm test3.asm -fobj && ~/proj/msdos4.hg/hg/warplink.sh /mx test2.obj+test3.obj,test23.exe,test23.map\; && dos ldebug\ test23.exe
dosemu -dumb -td -kt -q -quiet -K /home/evln/wwwecm/test/20250830 -E warplink  /mx test2.obj+test3.obj,test23.exe,test23.map;
About to Execute : warplink  /mx test2.obj+test3.obj,test23.exe,test23.map;

WarpLink release 2 by ecm (2025 August), Michael Devore (1989-1993).
Public Domain software, all copyrights surrendered.


EXE load image size: 002K
About to Execute : ldebug test23.exe
lDebug (2025-03-09)
-r
AX=0000 BX=0000 CX=0311 DX=0000 SP=0200 BP=0000 SI=0000 DI=0000
DS=2B37 ES=2B37 SS=2B79 CS=2B47 IP=0000 NV UP EI PL ZR NA PE NC
2B47:0000 9A0002482B        call    2B48:0200
-t
AX=0000 BX=0000 CX=0311 DX=0000 SP=01FC BP=0000 SI=0000 DI=0000
DS=2B37 ES=2B37 SS=2B79 CS=2B48 IP=0200 NV UP EI PL ZR NA PE NC
2B48:0200 CB                retf
-q
test$ ~/proj/nasm/nasm -v
NASM version 2.17rc0 compiled on Aug 28 2025
test$