shithub: rgbds

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add instruction "ld hl, sp+nn"

The previous "ld hl, [sp+nn]" is incorrect, but remains for compatibility.

--- a/src/asm/gameboy/yaccprt4.y

+++ b/src/asm/gameboy/yaccprt4.y

@@ -290,6 +290,8 @@

 z80_ld_hl		:	T_Z80_LD T_MODE_HL comma '[' T_MODE_SP const_8bit ']'

 					{ out_AbsByte(0xF8); out_RelByte(&$6); }

+				|	T_Z80_LD T_MODE_HL comma T_MODE_SP const_8bit

+					{ out_AbsByte(0xF8); out_RelByte(&$5); }

 				|	T_Z80_LD T_MODE_HL comma const_16bit

 					{ out_AbsByte(0x01|(REG_HL<<4)); out_RelWord(&$4); }

 ;