ref: a50b052c5182c502499380acc3ebaa2cd4aaacbb
parent: 8b6a2d7d21c67db8b1fbc4eaabf3496bcc07941d
author: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Sun Dec 17 15:04:01 EST 2017
[as-z80] Add load inmmediate with indexed addressing
--- a/as/target/x80/ins.c
+++ b/as/target/x80/ins.c
@@ -152,6 +152,22 @@
}
void
+idx_imm8(Op *op, Node **args)
+{+ Node *par1, *par2;
+ unsigned char buf[3];
+ int n = op->size;
+
+ par1 = args[0]->left;
+ par2 = args[1];
+
+ memcpy(buf, op->bytes, n-1);
+ buf[n-1] = par1->sym->value;
+ buf[n-2] = par2->sym->value;
+ emit(buf, n);
+}
+
+void
imm8(Op *op, Node **args)
{Node *par1, *par2;
--- a/as/target/x80/x80.dat
+++ b/as/target/x80/x80.dat
@@ -94,6 +94,10 @@
LD idx_IX,reg_r 3 0xdd,0x70 idx_r8 Z80,R800
LD idx_IY,reg_r 3 0xfd,0x70 idx_r8 Z80,R800
+LD indir_HL,imm8 2 0x36 imm8 Z80,R800,GB80
+LD idx_IX,imm8 3 0xdd,0x36 idx_imm8 Z80,R800
+LD idx_IY,imm8 3 0xfd,0x36 idx_imm8 Z80,R800
+
# 16 bit load group
LD reg_dd,imm16 3 0x01 r16_imm16 Z80,R800,GB80
LD regIX,imm16 4 0xdd,0x21 imm16 Z80,R800