Make CLI and OPT options -p and -Q more consistent (#1834)

test/asm/invalid-opt.err

@@ -20,15 +20,15 @@ error: Repeated digit for graphics constant 'y'
     at invalid-opt.asm(10)
 error: Invalid argument for option 'p'
     at invalid-opt.asm(11)
-error: Invalid argument for option 'p'
+error: Argument for option 'p' must be between 0 and 0xFF
     at invalid-opt.asm(12)
 error: Invalid argument for option 'Q'
     at invalid-opt.asm(13)
-error: Invalid argument for option 'Q'
+error: Argument for option 'Q' must be between 1 and 31
     at invalid-opt.asm(14)
 error: Argument for option 'Q' must be between 1 and 31
     at invalid-opt.asm(15)
-error: Argument for option 'r' is out of range ("99999999999999999999999999")
+error: Argument for option 'r' is out of range
     at invalid-opt.asm(16)
 error: Must specify an argument for option 'W'
     at invalid-opt.asm(17)

test/asm/opt-r.err

@@ -1,6 +1,6 @@
-error: Missing argument for option 'r'
+error: Invalid argument for option 'r'
     at opt-r.asm(5)
-error: Invalid argument for option 'r' ("2a")
+error: Invalid argument for option 'r'
     at opt-r.asm(6)
 FATAL: Recursion limit (0) exceeded
     at opt-r.asm(13)

test/asm/opt.asm

@@ -1,7 +1,8 @@
 SECTION "test", ROM0
 
 pusho
-	opt p42, -Q.4, Wno-div
+	opt p66, -Q.4, Wno-div
+	opt -p  0x42, Q  .0x04, -W  no-div ; idempotent
 	ds 1
 	println $8000_0000 / -1
 	def n = 3.14
@@ -13,6 +14,6 @@ popo
 	def n = 3.14
 	println "{x:n} = {f:n}"
 
-pusho -p99
+pusho -p153
 	ds 1
 popo

test/asm/opt.err

@@ -1,2 +1,2 @@
 warning: Division of -2147483648 by -1 yields -2147483648 [-Wdiv]
-    at opt.asm(12)
+    at opt.asm(13)