more Z80 instructions, including conditional jumps

src/zvm_m65/z80_instr_math_16bit.s

@@ -2,3 +2,64 @@
 ;
 ; Z80 arithmetic instructions, 16 bit
 ;
+
+
+Z80_instr_03:      ; INC BC
+
+	inw REG_C
+	rts
+
+Z80_instr_13:      ; INC DE
+
+	inw REG_E
+	rts
+
+Z80_instr_23:      ; INC HL
+
+	inw REG_L
+	rts
+
+Z80_instr_33:      ; INC SP
+
+	inw REG_SP
+	rts
+
+Z80_instr_DD_23:   ; INC IX
+
+	inw REG_IX
+	rts
+
+Z80_instr_FD_23:   ; INC IY
+
+	inw REG_IY
+	rts
+
+Z80_instr_0B:      ; DEC BC
+
+	dew REG_C
+	rts
+
+Z80_instr_1B:      ; DEC DE
+
+	dew REG_E
+	rts
+
+Z80_instr_2B:      ; DEC HL
+
+	dew REG_L
+	rts
+
+Z80_instr_3B:      ; DEC SP
+
+	dew REG_SP
+	rts
+
+Z80_instr_DD_2B:   ; DEC IX
+
+	dew REG_IX
+	rts
+
+Z80_instr_FD_2B:   ; DEC IY
+
+	dew REG_IY
+	rts