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Reinstate RL into the _RS family

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Removal of colon-less labels lifted the grammar ambiguity that
prevented `RL` from being usable as a variable declarator.
Thus, reinstate its functionality.
This commit is contained in:
ISSOtm
2021-01-11 01:37:36 +01:00
parent 5be1c0da62
commit 57b734a7df
5 changed files with 61 additions and 3 deletions
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4
src/asm/parser.y
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@@ -450,7 +450,7 @@ static inline void failAssertMsg(enum AssertionType type, char const *msg)
%token T_POP_SECTION T_POP_FRAGMENT
%token T_POP_RB
%token T_POP_RW
%token T_POP_RL
// There is no T_POP_RL, only T_Z80_RL
%token T_POP_MACRO
%token T_POP_ENDM
%token T_POP_RSRESET T_POP_RSSET
@@ -864,7 +864,7 @@ rs_uconst : /* empty */ {
| uconst
;
rl : T_LABEL T_POP_RL rs_uconst {
rl : T_LABEL T_Z80_RL rs_uconst {
sym_AddEqu($1, sym_GetConstantValue("_RS"));
sym_AddSet("_RS", sym_GetConstantValue("_RS") + 4 * $3);
}