1 files changed, 78 insertions, 0 deletions

diff --git a/v4.0/src/INC/EXE.INC b/v4.0/src/INC/EXE.INC
new file mode 100644
index 0000000..e768f6b
--- /dev/null
+++ b/v4.0/src/INC/EXE.INC
@@ -0,0 +1,78 @@
+;       SCCSID = @(#)exe.asm    1.1 85/04/10
+;       SCCSID = @(#)exe.asm    1.1 85/04/10
+BREAK <EXEC and EXE file structures>
+;
+; EXEC arg block - load/go program
+;
+
+;
+; The following get used as arguments to the EXEC system call.  They indicate
+; whether or not the program is executed or whether or not a program header
+; gets created.
+;
+exec_func_no_execute    EQU 1           ; no execute bit
+exec_func_overlay       EQU 2           ; overlay bit
+
+Exec0           STRUC
+Exec0_environ   DW      ?               ; seg addr of environment
+Exec0_com_line  DD      ?               ; pointer to asciz command line
+Exec0_5C_FCB    DD      ?               ; default fcb at 5C
+Exec0_6C_FCB    DD      ?               ; default fcb at 6C
+Exec0           ENDS
+
+Exec1           STRUC
+Exec1_environ   DW      ?               ; seg addr of environment
+Exec1_com_line  DD      ?               ; pointer to asciz command line
+Exec1_5C_FCB    DD      ?               ; default fcb at 5C
+Exec1_6C_FCB    DD      ?               ; default fcb at 6C
+Exec1_SP        DW      ?               ; stack pointer of program
+Exec1_SS        DW      ?               ; stack seg register of program
+Exec1_IP        DW      ?               ; entry point IP
+Exec1_CS        DW      ?               ; entry point CS
+Exec1           ENDS
+
+Exec3           STRUC
+Exec3_load_addr DW      ?               ; seg address of load point
+Exec3_reloc_fac DW      ?               ; relocation factor
+Exec3           ENDS
+
+;
+; Exit codes in upper byte
+;
+Exit_terminate      EQU     0
+Exit_abort          EQU     0
+Exit_Ctrl_C         EQU     1
+Exit_Hard_Error     EQU     2
+Exit_Keep_process   EQU     3
+
+;
+; EXE file header
+;
+
+EXE_file    STRUC
+exe_signature   DW  ?                   ; must contain 4D5A  (yay zibo!)
+exe_len_mod_512 DW  ?                   ; low 9 bits of length
+exe_pages       DW  ?                   ; number of 512b pages in file
+exe_rle_count   DW  ?                   ; count of reloc entries
+exe_par_dir     DW  ?                   ; number of paragraphs before image
+exe_min_BSS     DW  ?                   ; minimum number of para of BSS
+exe_max_BSS     DW  ?                   ; max number of para of BSS
+exe_SS          DW  ?                   ; stack of image
+exe_SP          DW  ?                   ; SP of image
+exe_chksum      DW  ?                   ; checksum  of file (ignored)
+exe_IP          DW  ?                   ; IP of entry
+exe_CS          DW  ?                   ; CS of entry
+exe_rle_table   DW  ?                   ; byte offset of reloc table
+exe_iov         DW  ?                   ; overlay number (0 for root)
+exe_sym_tab     DD  ?                   ; offset of symbol table in file
+EXE_file    ENDS
+
+exe_valid_signature     EQU 5A4Dh
+exe_valid_old_signature EQU 4D5Ah
+
+symbol_entry    STRUC
+sym_value       DD  ?
+sym_type        DW  ?
+sym_len         DB  ?
+sym_name        DB  255 dup (?)
+symbol_entry    ENDS