--- np2/i286a/i286aop.inc 2003/12/17 10:41:06 1.3 +++ np2/i286a/i286aop.inc 2003/12/17 14:04:43 1.4 @@ -181,6 +181,61 @@ $label CPUWORK $clk MACRO +$label OP_EA8 $alu, $regclk, $memclk +$label cmp r0, #&c0 + bcc $label.1 + CPUWORK $regclk + R8SRC r0, r5 + ldrb r4, [r5, #CPU_REG] + $alu r4 + strb r1, [r5, #CPU_REG] + mov pc, r11 +$label.1 CPUWORK $memclk + bl i286a_ea + cmp r0, #I286_MEMWRITEMAX + bcs $label.2 + ldrb r4, [r9, r0] + $alu r4 + strb r1, [r9, r0] + mov pc, r11 +$label.2 mov r5, r0 + bl i286_memoryread + $alu r0 + mov r0, r5 + mov lr, r11 + b i286_memorywrite + MEND + + MACRO +$label OP_EA16 $alu, $regclk, $memclk +$label cmp r0, #&c0 + bcc $label.1 + CPUWORK $regclk + R16SRC r0, r5 + ldrh r4, [r5, #CPU_REG] + $alu r4 + strh r1, [r5, #CPU_REG] + mov pc, r11 +$label.1 CPUWORK $memclk + bl i286a_ea + tst r0, #1 + bne $label.2 + cmp r0, #I286_MEMWRITEMAX + bcs $label.2 + ldrh r4, [r9, r0] + $alu r4 + strh r1, [r9, r0] + mov pc, r11 +$label.2 mov r5, r0 + bl i286_memoryread_w + $alu r0 + mov r0, r5 + mov lr, r11 + b i286_memorywrite_w + MEND + + + MACRO $label OP_INC16 $r, $clk $label CPUWORK $clk ldrh r2, [r9, $r]