047B-DELSW

MON 60 subfunction DELSW = 47B = 0x27 = 39 decimal. NPL purpose (authoritative, 5P-P2-MON60.NPL): DELETE SWAP FILE, server handler IDELSWAP.

All addresses OCTAL, ND-100 word addresses, BANK 1, base 0. Source: SINTRAN/ND500/nd-500-mon/nd-500-mon-j04.prog.asm

60B yaml client name = DELSW.

Thunk (PROVEN, bytes read)

Addr	Word	Meaning
146503	170447	SAA 47 (subfunction 47B)
146504	125001	JMP I 1 (-> gateway pointer)
146505	146244	pointer to gateway 146244

Call site(s)

Item	Value	Status
MON 60 call site	007430 JPL I 160 -> ptr 007610, bank1[007610]=146503 = thunk SAA 47	PROVEN
Error path (callsite+1)	007431 JPL I 155 -> routine 002673 (internal error reporter)	PROVEN
Success path (callsite+2)	007432 JMP I -34 -> routine 010613 (command loop)	PROVEN
Enclosing ENTER routine	002662 (framesize 000331) - the command interpreter	PROVEN (prologue RADD AD1 CLD SL DX+ENTER)

Parameter block (PROVEN stores)

Slot	Store	Value
,X 6 (+7,+10)	007427 STF ,X 6	file-name descriptor from F-image B-113 (F = 3 words)

Gateway convention (prog.md sec 4.4): LDX ,B -176 sets X = stack top; STx ,X 6/7/10 are MON 60 parameters 1/2/3.

What it does

1. Loads the file-name descriptor (F, 3 words) from B-113. (007425)
2. Places it in gateway slots 6/7/10 and issues MON 60 DELSW. (007430)
3. Error -> 002673; success -> command loop 010613.

Unknown / inferred

• INFERRED (role): 002673 error reporter, 010613 command loop (PROVEN addresses/reach).
• PROVEN: single parameter is a 3-word file-name descriptor.
• Sits immediately after the 046B DEFSWAP case (same interpreter); the two swap-file operations form a define/delete pair.

octal=hex=decimal: 47B = 0x27 = 39 decimal