Remove the deprecated -H/-h/-L/-l options

contrib/bash_compl/_rgbasm.bash

@@ -26,10 +26,6 @@ _rgbasm_completions() {
 	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"

contrib/zsh_compl/_rgbasm

@@ -37,10 +37,6 @@ local args=(
 	'(- : * options)'{-V,--version}'[Print version number]'
 
 	'(-E --export-all)'{-E,--export-all}'[Export all symbols]'
-	'(-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]'
 

include/asm/main.hpp

@@ -6,10 +6,6 @@
 #include <stdio.h>
 #include <string>
 
-extern bool haltNop;
-extern bool warnOnHaltNop;
-extern bool optimizeLoads;
-extern bool warnOnLdOpt;
 extern bool verbose;
 extern bool warnings; // True to enable warnings, false to disable them.
 

include/asm/opt.hpp

@@ -9,7 +9,6 @@ void opt_B(char const chars[2]);
 void opt_G(char const chars[4]);
 void opt_P(uint8_t padByte);
 void opt_Q(uint8_t precision);
-void opt_L(bool optimize);
 void opt_W(char const *flag);
 void opt_Parse(char const *option);
 

man/rgbasm.1

@@ -66,15 +66,6 @@ Export all labels, including unreferenced and local labels.
 .It Fl g Ar chars , Fl \-gfx-chars Ar chars
 Change the four characters used for gfx constants.
 The defaults are 0123.
-.It Fl H , Fl \-nop-after-halt
-Inserts a
-.Ic nop
-instruction immediately after any
-.Ic halt
-instruction.
-This option is deprecated and will be removed in the next version.
-.It Fl h , Fl \-halt-without-nop
-This option is redundant and will be removed in the next version.
 .It Fl I Ar path , Fl \-include Ar path
 Add a new
 .Dq include path ;
@@ -90,14 +81,6 @@ is attempted,
 first looks up the provided path from its working directory; if this fails, it tries again from each of the
 .Dq include path
 directories, in the order they were provided.
-.It Fl L , Fl \-preserve-ld
-This option is redundant and will be removed in the next version.
-.It Fl l , Fl \-auto-ldh
-Optimize loads of the form
-.Ic LD [$FF00+n8],A
-into the opcode
-.Ic LDH [$FF00+n8],A .
-This option is deprecated and will be removed in the next version.
 .It Fl M Ar depend_file , Fl \-dependfile Ar depend_file
 Print
 .Xr make 1

man/rgbasm.5

@@ -641,23 +641,6 @@ can range from
 .Ad $FF80
 to
 .Ad $FFFE .
-.Pp
-.Sy Note :
-While
-.Nm
-will automatically optimize
-.Ic ld
-instructions to the smaller and faster
-.Ic ldh
-(see
-.Xr gbz80 7 )
-whenever possible, it is generally unable to do so when a label is involved.
-Using the
-.Ic ldh
-instruction directly is recommended.
-This forces the assembler to emit a
-.Ic ldh
-instruction and the linker to check if the value is in the correct range.
 .El
 .Pp
 Since RGBDS produces ROMs, code and data can only be placed in
@@ -2105,29 +2088,20 @@ can be used to change some of the options during assembling from within the sour
 takes a comma-separated list of options as its argument:
 .Bd -literal -offset indent
 PUSHO
-    OPT g.oOX, Wdiv, L    ; acts like command-line -g.oOX -Wdiv -L
+    OPT g.oOX, Wdiv       ; acts like command-line -g.oOX -Wdiv
     DW `..ooOOXX          ; uses the graphics constant characters from OPT g
     PRINTLN $80000000/-1  ; prints a warning about division
-    LD [$FF88], A         ; encoded as LD, not LDH
 POPO
     DW `00112233          ; uses the default graphics constant characters
     PRINTLN $80000000/-1  ; no warning by default
-    LD [$FF88], A         ; optimized to use LDH by default
 .Ed
 .Pp
 The options that
 .Ic OPT
 can modify are currently:
-.Cm b , g , p , Q , r , h , L ,
+.Cm b , g , p , Q ,
 and
-.Cm W .
-The Boolean flag options
-.Cm H , h , L ,
-and
-.Cm l
-can be negated like
-.Ql OPT !H
-to act like omitting them from the command-line.
+.Cm r .
 .Pp
 .Ic POPO
 and

src/asm/main.cpp

@@ -27,10 +27,6 @@ bool failedOnMissingInclude = false;
 bool generatePhonyDeps = false;
 std::string targetFileName;
 
-bool haltNop;
-bool warnOnHaltNop;
-bool optimizeLoads;
-bool warnOnLdOpt;
 bool verbose;
 bool warnings; // True to enable warnings, false to disable them.
 
@@ -52,7 +48,7 @@ static std::string make_escape(std::string &str) {
 }
 
 // Short options
-static char const *optstring = "b:D:Eg:Hhi:I:LlM:o:P:p:Q:r:VvW:wX:";
+static char const *optstring = "b:D:Eg:i:I:M:o:P:p:Q:r:VvW:wX:";
 
 // Variables for the long-only options
 static int depType; // Variants of `-M`
@@ -70,11 +66,7 @@ static option const longopts[] = {
     {"define",           required_argument, nullptr,  'D'},
     {"export-all",       no_argument,       nullptr,  'E'},
     {"gfx-chars",        required_argument, nullptr,  'g'},
-    {"nop-after-halt",   no_argument,       nullptr,  'H'},
-    {"halt-without-nop", no_argument,       nullptr,  'h'},
     {"include",          required_argument, nullptr,  'I'},
-    {"preserve-ld",      no_argument,       nullptr,  'L'},
-    {"auto-ldh",         no_argument,       nullptr,  'l'},
     {"dependfile",       required_argument, nullptr,  'M'},
     {"MG",               no_argument,       &depType, 'G'},
     {"MP",               no_argument,       &depType, 'P'},
@@ -95,7 +87,7 @@ static option const longopts[] = {
 
 static void printUsage() {
 	fputs(
-	    "Usage: rgbasm [-EHhLlVvw] [-b chars] [-D name[=value]] [-g chars] [-I path]\n"
+	    "Usage: rgbasm [-EVvw] [-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 include_file] [-p pad_value] [-Q precision]\n"
 	    "              [-r depth] [-W warning] [-X max_errors] <file>\n"
@@ -132,10 +124,6 @@ int main(int argc, char *argv[]) {
 	opt_G("0123");
 	opt_P(0);
 	opt_Q(16);
-	haltNop = false;
-	warnOnHaltNop = true;
-	optimizeLoads = false;
-	warnOnLdOpt = true;
 	verbose = false;
 	warnings = true;
 	sym_SetExportAll(false);
@@ -179,21 +167,6 @@ int main(int argc, char *argv[]) {
 				errx("Must specify exactly 4 characters for option 'g'");
 			break;
 
-		case 'H':
-			if (warnOnHaltNop)
-				warning(
-				    WARNING_OBSOLETE, "Automatic `nop` after `halt` (the `-H` flag) is deprecated\n"
-				);
-			else
-				errx("`-H` and `-h` don't make sense together");
-			haltNop = true;
-			warnOnHaltNop = false;
-			break;
-		case 'h':
-			if (haltNop)
-				errx("`-H` and `-h` don't make sense together");
-			break;
-
 		// `-i` was the only short option for `--include` until `-I` was
 		// introduced to better match the `-I dir` option of gcc and clang.
 		case 'i':
@@ -203,22 +176,6 @@ int main(int argc, char *argv[]) {
 			fstk_AddIncludePath(musl_optarg);
 			break;
 
-		case 'L':
-			if (optimizeLoads)
-				errx("`-L` and `-l` don't make sense together");
-			break;
-		case 'l':
-			if (warnOnLdOpt)
-				warning(
-				    WARNING_OBSOLETE,
-				    "Automatic `ld` to `ldh` optimization (the `-l` flag) is deprecated\n"
-				);
-			else
-				errx("`-L` and `-l` don't make sense together");
-			optimizeLoads = true;
-			warnOnLdOpt = false;
-			break;
-
 		case 'M':
 			if (dependFile)
 				warnx("Overriding dependfile %s", dependFileName);

src/asm/opt.cpp

@@ -21,10 +21,6 @@ struct OptStackEntry {
 	char gbgfx[4];
 	uint8_t fixPrecision;
 	uint8_t fillByte;
-	bool haltNop;
-	bool warnOnHaltNop;
-	bool optimizeLoads;
-	bool warnOnLdOpt;
 	bool warningsAreErrors;
 	size_t maxRecursionDepth;
 	WarningState warningStates[numWarningStates];
@@ -53,22 +49,6 @@ void opt_R(size_t newDepth) {
 	lexer_CheckRecursionDepth();
 }
 
-void opt_H(bool warn) {
-	warnOnHaltNop = warn;
-}
-
-void opt_h(bool halt) {
-	haltNop = halt;
-}
-
-void opt_L(bool optimize) {
-	optimizeLoads = optimize;
-}
-
-void opt_l(bool warn) {
-	warnOnLdOpt = warn;
-}
-
 void opt_W(char const *flag) {
 	processWarningFlag(flag);
 }
@@ -150,34 +130,6 @@ void opt_Parse(char const *s) {
 		break;
 	}
 
-	case 'H':
-		if (s[1] == '\0')
-			opt_H(false);
-		else
-			error("Option 'H' does not take an argument\n");
-		break;
-
-	case 'h':
-		if (s[1] == '\0')
-			opt_h(false);
-		else
-			error("Option 'h' does not take an argument\n");
-		break;
-
-	case 'L':
-		if (s[1] == '\0')
-			opt_L(false);
-		else
-			error("Option 'L' does not take an argument\n");
-		break;
-
-	case 'l':
-		if (s[1] == '\0')
-			opt_l(false);
-		else
-			error("Option 'l' does not take an argument\n");
-		break;
-
 	case 'W':
 		if (strlen(&s[1]) > 0)
 			opt_W(&s[1]);
@@ -185,42 +137,6 @@ void opt_Parse(char const *s) {
 			error("Must specify an argument for option 'W'\n");
 		break;
 
-	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);
-			else
-				error("Option '!h' 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;
-
-		case 'l':
-			if (s[2] == '\0')
-				opt_l(true);
-			else
-				error("Option '!l' does not take an argument\n");
-			break;
-
-		default:
-			error("Unknown option '!%c'\n", s[1]);
-			break;
-		}
-		break;
-
 	default:
 		error("Unknown option '%c'\n", s[0]);
 		break;
@@ -243,14 +159,6 @@ void opt_Push() {
 
 	entry.fillByte = fillByte; // Pulled from section.hpp
 
-	// Both of these are pulled from main.hpp
-	entry.haltNop = haltNop;
-	entry.warnOnHaltNop = warnOnHaltNop;
-
-	// Both of these are pulled from main.hpp
-	entry.optimizeLoads = optimizeLoads;
-	entry.warnOnLdOpt = warnOnLdOpt;
-
 	// Both of these pulled from warning.hpp
 	entry.warningsAreErrors = warningsAreErrors;
 	memcpy(entry.warningStates, warningStates, numWarningStates);
@@ -273,10 +181,6 @@ void opt_Pop() {
 	opt_G(entry.gbgfx);
 	opt_P(entry.fillByte);
 	opt_Q(entry.fixPrecision);
-	opt_H(entry.warnOnHaltNop);
-	opt_h(entry.haltNop);
-	opt_L(entry.optimizeLoads);
-	opt_l(entry.warnOnLdOpt);
 	opt_R(entry.maxRecursionDepth);
 
 	// opt_W does not apply a whole warning state; it processes one flag string

src/asm/parser.y

@@ -1870,16 +1870,6 @@ z80_ei:
 z80_halt:
 	Z80_HALT {
 		sect_AbsByte(0x76);
-		if (haltNop) {
-			if (warnOnHaltNop) {
-				warnOnHaltNop = false;
-				warning(
-					WARNING_OBSOLETE,
-					"Automatic `nop` after `halt` (option 'H') is deprecated\n"
-				);
-			}
-			sect_AbsByte(0x00);
-		}
 	}
 ;
 
@@ -2002,21 +1992,9 @@ z80_ld_mem:
 		sect_RelWord($2, 1);
 	}
 	| Z80_LD op_mem_ind COMMA MODE_A {
-		if (optimizeLoads && $2.isKnown && $2.val >= 0xFF00) {
-			if (warnOnLdOpt) {
-				warnOnLdOpt = false;
-				warning(
-					WARNING_OBSOLETE,
-					"Automatic `ld` to `ldh` optimization (option 'l') is deprecated\n"
-				);
-			}
-			sect_AbsByte(0xE0);
-			sect_AbsByte($2.val & 0xFF);
-		} else {
 		sect_AbsByte(0xEA);
 		sect_RelWord($2, 1);
 	}
-	}
 ;
 
 z80_ld_cind:
@@ -2059,20 +2037,8 @@ z80_ld_a:
 	}
 	| Z80_LD reg_r COMMA op_mem_ind {
 		if ($2 == REG_A) {
-			if (optimizeLoads && $4.isKnown && $4.val >= 0xFF00) {
-				if (warnOnLdOpt) {
-					warnOnLdOpt = false;
-					warning(
-						WARNING_OBSOLETE,
-						"Automatic `ld` to `ldh` optimization (option 'l') is deprecated\n"
-					);
-				}
-				sect_AbsByte(0xF0);
-				sect_AbsByte($4.val & 0xFF);
-			} else {
 			sect_AbsByte(0xFA);
 			sect_RelWord($4, 1);
-			}
 		} else {
 			::error("Destination operand must be A\n");
 		}

test/asm/opt.asm

@@ -1,22 +1,14 @@
 SECTION "test", ROM0
 
-	opt !h, !L ; already the default, but tests parsing "!"
-
 pusho
-	opt p42, Q.4, h, L, Wno-div
+	opt p42, Q.4, Wno-div
 	ds 1
-	ld [$ff88], a
-	halt
 	println $8000_0000 / -1
 	def n = 3.14
 	println "{x:n} = {f:n}"
 popo
 
-	opt H, l
-
 	ds 1
-	ld [$ff88], a
-	halt
 	println $8000_0000 / -1
 	def n = 3.14
 	println "{x:n} = {f:n}"

test/asm/opt.err

@@ -1,2 +1,2 @@
-warning: opt.asm(20): [-Wdiv]
+warning: opt.asm(12): [-Wdiv]
     Division of -2147483648 by -1 yields -2147483648