ref: 889302a9e227be63beb434e8d57c430d496b2511
parent: c01317e08dd94002f497f9a3ec65760ae3e1cddc
author: Rangi <[email protected]>
date: Thu Sep 1 19:50:58 EDT 2022
Document the `-H` and `-l` flags Fixes #1042
--- a/contrib/bash_compl/_rgbasm.bash
+++ b/contrib/bash_compl/_rgbasm.bash
@@ -26,8 +26,10 @@
declare -A opts=(
[V]="version:normal"
[E]="export-all:normal"
+ [H]="nop-after-halt:normal"
[h]="halt-without-nop:normal"
[L]="preserve-ld:normal"
+ [l]="auto-ldh:normal"
[v]="verbose:normal"
[w]=":normal"
[b]="binary-digits:unk"
--- a/contrib/zsh_compl/_rgbasm
+++ b/contrib/zsh_compl/_rgbasm
@@ -38,8 +38,10 @@
'(- : * options)'{-V,--version}'[Print version number]'
'(-E --export-all)'{-E,--export-all}'[Export all symbols]'
- '(-h --halt-without-nop)'{-h,--halt-without-nop}'[Avoid outputting a `nop` after `halt`]'
- '(-L ---preserve-ld)'{-L,--preserve-ld}'[Prevent auto-optimizing `ld` into `ldh`]'
+ '(-H --nop-after-halt)'{-H,--nop-after-halt}'[Output a `nop` after `halt`]'
+ '(-h --halt-without-nop)'{-h,--halt-without-nop}'[Prevent outputting a `nop` after `halt`]'
+ '(-L --preserve-ld)'{-L,--preserve-ld}'[Prevent optimizing `ld` into `ldh`]'
+ '(-l --auto-ldh)'{-l,--auto-ldh}'[Optimize `ld` into `ldh`]'
'(-v --verbose)'{-v,--verbose}'[Print additional messages regarding progression]'
-w'[Disable all warnings]'
--- a/man/rgbasm.1
+++ b/man/rgbasm.1
@@ -13,7 +13,7 @@
.Nd Game Boy assembler
.Sh SYNOPSIS
.Nm
-.Op Fl EhLVvw
+.Op Fl EHhLlVvw
.Op Fl b Ar chars
.Op Fl D Ar name Ns Op = Ns Ar value
.Op Fl g Ar chars
@@ -66,7 +66,7 @@
.It Fl g Ar chars , Fl Fl gfx-chars Ar chars
Change the four characters used for gfx constants.
The defaults are 0123.
-.It Fl h , Fl Fl halt-without-nop
+.It Fl H , Fl Fl nop-after-halt
By default,
.Nm
inserts a
@@ -73,18 +73,36 @@
.Ic nop
instruction immediately after any
.Ic halt
-instruction.
+instruction,
+but this has been deprecated and prints a warning message the first time it occurs.
The
-.Fl h
-option disables this behavior.
+.Fl H
+option opts into this insertion,
+so no warning will be printed.
+.It Fl h , Fl Fl halt-without-nop
+Disables inserting a
+.Ic nop
+instruction immediately after any
+.Ic halt
+instruction.
.It Fl i Ar path , Fl Fl include Ar path
Add an include path.
.It Fl L , Fl Fl preserve-ld
-Disable the optimization that turns loads of the form
+By default,
+.Nm
+optimizes loads of the form
.Ic LD [$FF00+n8],A
into the opcode
-.Ic LDH [$FF00+n8],A
-in order to have full control of the result in the final ROM.
+.Ic LDH [$FF00+n8],A ,
+but this has been deprecated and prints a warning message the first time it occurs.
+The
+.Fl L
+option disables this optimization.
+.It Fl l , Fl Fl auto-ldh
+Optimize loads of the form
+.Ic LD [$FF00+n8],A
+into the opcode
+.Ic LDH [$FF00+n8],A .
.It Fl M Ar depend_file , Fl Fl dependfile Ar depend_file
.Xr make 1
--- a/man/rgbasm.5
+++ b/man/rgbasm.5
@@ -2038,13 +2038,11 @@
and
.Cm W .
The Boolean flag options
-.Cm h
+.Cm H , h , L ,
and
-.Cm L
-can be negated as
-.Ql OPT !h
-and
-.Ql OPT !L
+.Cm l
+can be negated like
+.Ql OPT !H
to act like omitting them from the command-line.
.Pp
.Ic POPO
--- a/src/asm/main.c
+++ b/src/asm/main.c
@@ -126,7 +126,7 @@
static void print_usage(void)
{
fputs(
-"Usage: rgbasm [-EhLVvw] [-b chars] [-D name[=value]] [-g chars] [-i path]\n"
+"Usage: rgbasm [-EHhLlVvw] [-b chars] [-D name[=value]] [-g chars] [-i path]\n"
" [-M depend_file] [-MG] [-MP] [-MT target_file] [-MQ target_file]\n"
" [-o out_file] [-p pad_value] [-r depth] [-W warning] <file>\n"
"Useful options:\n"
@@ -273,6 +273,7 @@
case 'V':
printf("rgbasm %s\n", get_package_version_string());
exit(0);
+
case 'v':
verbose = true;
break;
@@ -351,7 +352,7 @@
charmap_New("main", NULL);
- // Init lexer and file stack, prodiving file info
+ // Init lexer and file stack, providing file info
lexer_Init();
fstk_Init(mainFileName, maxDepth);
--- a/src/asm/opt.c
+++ b/src/asm/opt.c
@@ -175,6 +175,13 @@
case '!': // negates flag options that do not take an argument
switch (s[1]) {
+ case 'H':
+ if (s[2] == '\0')
+ opt_H(true);
+ else
+ error("Option '!H' does not take an argument\n");
+ break;
+
case 'h':
if (s[2] == '\0')
opt_h(true);
@@ -187,6 +194,13 @@
opt_L(true);
else
error("Option '!L' does not take an argument\n");
+ break;
+
+ case 'l':
+ if (s[2] == '\0')
+ opt_l(true);
+ else
+ error("Option '!l' does not take an argument\n");
break;
default: