Added Debugger "int" command to manually request interrupts

devices/pc8080/rom/vt100/README.md

@@ -64,6 +64,8 @@ and passed on to the PC8080 Debugger.  Here are the rebuild steps:
 	grep -E "[0-9]+ [0-9A-D]+.*;;" VT100.lst | sed -E "s/ *[0-9]+ ([0-9A-F]+).*;(;.*)/     \1   .   \2/" > VT100.map
 	filedump --file=VT100.bin --format=bytes --output=VT100.json --comments --overwrite
 
+You can omit `--comments` to reduce the size of the [VT100.json](VT100.json) file.
+
 Some [VT100.asm](VT100.asm) clean-up remains, because there are still chunks of data that were incorrectly disassembled as code.
 From a reassembly standpoint, it doesn't matter too much, because such instructions get reassembled into the same original binary
 patterns, but from a readability standpoint, it's a nuisance.

devices/pc8080/rom/vt100/VT100.asm

@@ -3703,8 +3703,8 @@ X18d7:	in	42h
 	jnz	X18d7
 	mvi	a,2fh		;; Write 0x2fh (standby) to nvr latch
 	out	62h
-	lxi	h,X21d3		;; HL=X21d3
-	mvi	b,0eh		;; B= 14 -- we're reading 14 bits
+	lxi	h,X21d3		;; HL = X21d3
+	mvi	b,0eh		;; B = 14 -- we're reading 14 bits
 X18e6:	in	42h
 	ana	c
 	jz	X18e6
@@ -3726,7 +3726,7 @@ X1900:	in	42h
 	jnz	X18f6		;; read next bit
 	mvi	a,2fh		;; send standby
 	out	62h
-	lxi	d,X21d3		;; DE=0x21d3
+	lxi	d,X21d3		;; DE = 0x21d3
 	mvi	b,0eh		;; B = 14
 	lxi	h,X0000		;; HL = 0
 X1916:	dad	h		;;