repos/simple16: simple16.html annotate

annotate simple16.html @ 49:5f30c4d18d79

Updated the HTML documentation a bit

author	Michael Pavone <pavone@retrodev.com>
date	Tue, 30 Aug 2016 22:04:29 -0700
parents	5338b9affd09
children

rev	line source
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 <!doctype html>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 <html>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 <head>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 <style>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 body {
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 font-family: Helvetica, Arial, sans-serif;
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	7 }
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	8 </style>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	9 </head>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	10 <body>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	11 <h1>Simple 16</h1>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	12 <p>
49 5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	13 Simple 16 is a toy 16-bit video game console designed with simplicity of implementation in mind. The hope is that
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	14 Simple 16 is simple enough to provide an easy introduction for the novice emudev while still containing all the
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	15 essential features of an older game console and providing sufficient capabilities to support compelling games.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	16
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	17 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	18 <h2>Table of Contents</h2>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	19 <ul>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	20 <li><a href="#cpu">CPU</a>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	21 <ul>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	22 <li><a href="#cpuover">Overview</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	23 <li><a href="#cpuregs">Registers</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	24 <li><a href="#instructions">Instructions</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	25 <li><a href="#execution">Execution Details</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	26 <li><a href="#interrupts">Exceptions and Interrupts</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	27 </ul>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	28 </li>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	29 <li><a href="#video">Video</a>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	30 <ul>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	31 <li><a href="#vidover">Overview</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	32 <li><a href="#vidregs">IO Ports</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	33 <li><a href="#vidmem">Memory Map</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	34 <li><a href="#vidrender">Rendering</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	35 </ul>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	36 </li>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	37 <li><a href="#audio">Audio</a></li>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	38 <ul>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	39 <li><a href="#audover">Overview</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	40 <li><a href="#audregs">IO Ports</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	41 </ul>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	42 <li><a href="#timer">Timer</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	43 <li><a href="#controllers">Controllers</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	44 <li><a href="#serial">Serial Port</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	45 <li><a href="#cart">Cartridge</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	46 </ul>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	47 <h2 id="cpu">CPU</h2>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	48 <h3 id="cpuover">Overview</h3>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	50 The Simple 16 CPU is a 16-bit RISC design. It has a main register file of 16 16-bit registers. Additionally, there are five special
49 5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	51 purpose registers dedicated to exception processing and an additional special register for holding the upper bits of the program counter.
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	52 It has a 23-bit addres space addressable with 16-bit offsets. Instructions are a fixed size and are also 16-bits.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	53 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	54 <h3 id="cpuregs">Registers</h3>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	55 <p>
49 5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	56 The first 12 registers in the main file have no fixed function and are named r0 through r11. r12 holds the upper 8-bits of the
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	57 upper and lower data segments and is also named db. r13 holds the stack pointer and is also named sp. r14 serves as the program
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	58 counter and points to the next instruction to be fetched. More information about instruction fetch and execution can be found in
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	59 <a href="#execution">Execution Details</a>. r15 serves as the status register. The status register contains bits corresponding
49 5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	60 to the result of the last arithmetic instruction and the interrupt mask. It also contains the uppper 7-bits of the stack segment.
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	61 The layout of the status register is given below.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	62 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	63 <table>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	64 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	65 <th>Bit</th>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	66 <th>Use</th>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	67 <th>Notes</th>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	68 <tr>
49 5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	69 <td>15</td>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	70 <td>Unused</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	71 <td>Should be set to zero.</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	72 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	73 <tr>
49 5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	74 <td>14-8</td>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	75 <td>Stack Segment</td>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	76 <td>Bits 8-14 of the 23-bit address for stack-relative load and stores</td>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	77 </tr>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	78 <tr>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	79 <td>4</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	80 <td>Negative Flag</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	81 <td>Indicates the last result was negative.</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	82 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	83 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	84 <td>3</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	85 <td>Carry Flag</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	86 <td>Generally indicates a carry out of bit 15. Last bit shifted out for shift instructions.</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	87 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	88 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	89 <td>2</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	90 <td>Zero fFag</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	91 <td>Indicates the last result was zero.</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	92 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	93 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	94 <td>1</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	95 <td>Interrupt 1 enable</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	96 <td>Interrupt 1 can be taken when this bit is set.</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	97 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	98 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	99 <td>0</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	100 <td>Interrupt 0 enable</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	101 <td>Interrupt 0 can be taken when this bit is set.</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	102 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	103 </table>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	104 <h3 id="instructions">Instructions</h3>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	105 <ul>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	106 <li><a href="#ldim">ldim IM, rD</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	107 <li><a href="#ldimh">ldimh IM, rD</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	108 <li><a href="#ld8">ld8 rA, rB, rD</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	109 <li><a href="#ld16">ld16 rA, rB, rD</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	110 <li><a href="#str8">str8 rA, rB, rD</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	111 <li><a href="#str16">str16 rA, rB, rD</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	112 <li><a href="#add">add rA, rB, rD</a></li>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	113 <li><a href="#adc">adc rA, rB, rD</a></li>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	114 <li><a href="#and">and rA, rB, rD</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	115 <li><a href="#or">or rA, rB, rD</a></li>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	116 <li><a href="#xor">xor rA, rB, rD</a></li>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	117 <li><a href="#lsl">lsl rA, rB, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	118 <li><a href="#lsr">lsr rA, rB, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	119 <li><a href="#asr">asr rA, rB, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	120 <li><a href="#bcc">bCC LABEL</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	121 <li><a href="#mov">mov rA, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	122 <li><a href="#neg">neg rA, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	123 <li><a href="#not">not rA, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	124 <li><a href="#cmp">cmp rA, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	125 <li><a href="#call">call rA, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	126 <li><a href="#swap">swap rA, rD</a></li>
45 5338b9affd09 Updated HTML documentation to reflect CPU changes Michael Pavone <pavone@retrodev.com> parents: 42 diff changeset	127 <li><a href="#longjmp">longjmp</a></li>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	128 <li><a href="#ini">ini IM, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	129 <li><a href="#outi">outi IM, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	130 <li><a href="#addi">addi IM, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	131 <li><a href="#andi">andi IM, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	132 <li><a href="#ori">ori IM, rD</a></li>
45 5338b9affd09 Updated HTML documentation to reflect CPU changes Michael Pavone <pavone@retrodev.com> parents: 42 diff changeset	133 <li><a href="#xori">xori IM, rD</a></li>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	134 <li><a href="#lsli">lsli IM, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	135 <li><a href="#lsri">lsri IM, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	136 <li><a href="#cmpi">cmpi IM, rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	137 <li><a href="#reti">reti rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	138 <li><a href="#trapi">trapi IM</a></li>
49 5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	139 <li><a href="#push">push rD</a></li>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	140 <li><a href="#pop">pop rD</a></li>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	141 <li><a href="#getepc">getpch rD</a></li>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	142 <li><a href="#setepc">setpch rD</a></li>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	143 <li><a href="#getepc">getepc rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	144 <li><a href="#setepc">setepc rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	145 <li><a href="#getesr">getesr rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	146 <li><a href="#setesr">setser rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	147 <li><a href="#geteur">geteur rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	148 <li><a href="#seteur">seteur rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	149 <li><a href="#getenum">getenum rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	150 <li><a href="#setenum">setenum rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	151 <li><a href="#getvbr">getvbr rD</a></li>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	152 <li><a href="#setvbr">setvbr rD</a></li>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	153 </ul>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	154 <h4 id="ldim">ldim IM, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	155 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	156 ldim sign extends an 8-bit immediate value to 16-bits and assigns it to the designated register.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	157 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	158 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	159 <strong>Flags:</strong> No change
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	160 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	161 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	162 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	163 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	164 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	165 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	166 <th>11-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	167 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	168 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	169 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	170 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	171 <td>8-bit immediate value</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	172 <td>$0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	173 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	174 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	175 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	176 <h4 id="ldimh">lidmh IM, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	177 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	178 ldimh assigns an 8-bit immediate value to the upper 8-bits of rD.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	179 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	180 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	181 <strong>Flags:</strong> No change
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	182 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	183 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	184 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	185 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	186 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	187 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	188 <th>11-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	189 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	190 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	191 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	192 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	193 <td>8-bit immediate value</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	194 <td>$1</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	195 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	196 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	197 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	198 <h4 id="ld8">ld8 rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	199 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	200 Reads a byte from the address indicated by the sum of rA and rB and loads it into rD
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	201 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	202 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	203 <strong>Flags:</strong> No change
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	204 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	205 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	206 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	207 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	208 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	209 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	210 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	211 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	212 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	213 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	214 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	215 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	216 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	217 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	218 <td>$2</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	219 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	220 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	221 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	222 <h4 id="ld16">ld16 rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	223 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	224 Reads a word from the address indicated by the sum of rA and rB and loads it into rD
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	225 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	226 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	227 <strong>Flags:</strong> No change
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	228 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	229 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	230 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	231 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	232 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	233 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	234 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	235 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	236 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	237 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	238 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	239 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	240 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	241 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	242 <td>$3</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	243 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	244 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	245 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	246 <h4 id="str8">str8 rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	247 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	248 Writes the byte stored in rD to the address indicated by the sum of rA and rB.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	249 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	250 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	251 <strong>Flags:</strong> No change
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	252 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	253 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	254 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	255 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	256 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	257 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	258 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	259 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	260 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	261 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	262 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	263 <td>Register containing value to write (aka rD)</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	264 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	265 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	266 <td>$4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	267 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	268 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	269 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	270 <h4 id="str16">str16 rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	271 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	272 Writes the word stored in rD to the address indicated by the sum of rA and rB.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	273 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	274 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	275 <strong>Flags:</strong> No change
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	276 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	277 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	278 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	279 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	280 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	281 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	282 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	283 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	284 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	285 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	286 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	287 <td>Register containing value to write (aka rD)</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	288 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	289 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	290 <td>$5</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	291 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	292 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	293 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	294 <h4 id="add">add rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	295 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	296 Adds rA and rB. The result is stored in rD.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	297 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	298 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	299 <strong>Flags:</strong> C = carry out of bit 15, N = result is negative, Z = result is zero
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	300 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	301 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	302 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	303 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	304 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	305 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	306 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	307 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	308 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	309 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	310 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	311 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	312 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	313 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	314 <td>$6</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	315 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	316 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	317 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	318 <h4 id="adc">adc rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	319 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	320 Adds rA, rB and the carry flag. The result is stored in rD.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	321 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	322 <p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	323 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	324 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	325 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	326 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	327 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	328 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	329 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	330 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	331 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	332 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	333 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	334 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	335 <td>$7</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	336 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	337 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	338 </p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	339 <p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	340 <strong>Flags:</strong> C = carry out of bit 15, N = result is negative, Z = result is zero
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	341 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	342 <h4 id="and">and rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	343 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	344 Bitwise and of rA and rB is stored in rD.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	345 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	346 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	347 <strong>Flags:</strong> C = unmodified, N = result is negative, Z = result is zero
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	348 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	349 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	350 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	351 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	352 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	353 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	354 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	355 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	356 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	357 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	358 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	359 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	360 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	361 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	362 <td>$8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	363 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	364 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	365 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	366 <h4 id="or">or rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	367 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	368 Bitwise or of rA and rB is stored in rD.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	369 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	370 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	371 <strong>Flags:</strong> C = unmodified, N = result is negative, Z = result is zero
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	372 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	373 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	374 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	375 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	376 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	377 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	378 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	379 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	380 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	381 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	382 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	383 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	384 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	385 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	386 <td>$9</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	387 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	388 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	389 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	390 <h4 id="xor">xor rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	391 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	392 Bitwise exclusive or of rA and rB is stored in rD.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	393 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	394 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	395 <strong>Flags:</strong> C = unmodified, N = result is negative, Z = result is zero
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	396 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	397 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	398 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	399 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	400 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	401 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	402 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	403 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	404 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	405 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	406 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	407 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	408 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	409 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	410 <td>$A</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	411 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	412 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	413 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	414 <h4 id="lsl">lsl rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	415 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	416 The value in rA is shifted left by rB bits and stored in rD
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	417 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	418 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	419 <strong>Flags:</strong> C = last bit shifted out of rA, N = result is negative, Z = result is zero
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	420 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	421 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	422 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	423 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	424 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	425 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	426 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	427 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	428 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	429 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	430 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	431 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	432 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	433 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	434 <td>$B</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	435 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	436 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	437 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	438 <h4 id="lsr">lsr rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	439 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	440 The value in rA is shifted right by rB bits and stored in rD
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	441 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	442 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	443 <strong>Flags:</strong> C = last bit shifted out of rA, N = result is negative, Z = result is zero
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	444 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	445 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	446 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	447 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	448 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	449 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	450 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	451 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	452 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	453 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	454 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	455 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	456 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	457 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	458 <td>$C</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	459 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	460 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	461 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	462 <h4 id="asr">asr rA, rB, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	463 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	464 The value in rA is arithmetically shifted right by rB bits and stored in rD. The most significant bit of rA is copied
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	465 into the newly shifted bits. This allows asr to be used for signed division by powers of 2 as the sign is preserved.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	466 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	467 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	468 <strong>Flags:</strong> C = last bit shifted out of rA, N = result is negative, Z = result is zero
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	469 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	470 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	471 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	472 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	473 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	474 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	475 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	476 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	477 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	478 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	479 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	480 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	481 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	482 <td>Source B register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	483 <td>$D</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	484 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	485 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	486 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	487 <h4 id="bcc">bCC LABEL</h4>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	488 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	489 bCC performs a relative branch if the condition indicated by CC is true. It has a range of 131 instructions forward or
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	490 124 instructions backwards. CC must be one of the following values
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	491 <table>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	492 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	493 <th>CC</th>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	494 <th>Mnemonic</th>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	495 <th>Name</th>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	496 <th>Description</th>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	497 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	498 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	499 <td>0</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	500 <td>ra</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	501 <td>bRanch Always</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	502 <td>Unconditionall branch</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	503 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	504 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	505 <td>1</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	506 <td>rf</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	507 <td>bRanch False</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	508 <td>Effectively a nop</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	509 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	510 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	511 <td>2</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	512 <td>eq</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	513 <td>EQual</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	514 <td>Branch if zero flag is 1</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	515 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	516 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	517 <td>3</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	518 <td>ne</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	519 <td>Not Equal</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	520 <td>Branch if zero flag is 0</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	521 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	522 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	523 <td>4</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	524 <td>mi</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	525 <td>MInus</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	526 <td>Branch if negative flag is 1</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	527 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	528 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	529 <td>5</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	530 <td>pl</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	531 <td>PLus</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	532 <td>Branch if negative flag is 0</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	533 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	534 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	535 <td>6</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	536 <td>cs</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	537 <td>Carry Set</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	538 <td>Branch if carry flag is 1. Unsigned "less than" when used with cmp</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	539 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	540 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	541 <td>7</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	542 <td>cc</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	543 <td>Carry Clear</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	544 <td>Branch if carry flag is 1. Unsigned "greater or equal" when used with cmp</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	545 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	546 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	547 <td>8</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	548 <td>gr</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	549 <td>Greater</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	550 <td>Branch if carry flag is 0 and the zero flag is zero. Unsigned "greater" when used with cmp</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	551 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	552 <tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	553 <td>9</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	554 <td>le</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	555 <td>Less or Equal</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	556 <td>Branch if carry flag is 1 or the zero flag is 1. Unsigned "lesser or equal" when used with cmp</td>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	557 </tr>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	558 </table>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	559 Use of CC values greater than 9 will result in an invalid instruction exception.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	560 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	561 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	562 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	563 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	564
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	565 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	566 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	567 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	568 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	569 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	570 <th>11-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	571 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	572 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	573 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	574 <td>CC</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	575 <td>Signed 8-bit offset. Offset is multiplied by two before being added to PC</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	576 <td>$E</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	577 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	578 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	579 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	580 <h4 id="mov">mov rA, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	581 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	582 Stores the value of rA in rD. This can be used as a return or jump instruction if rD is PC.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	583 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	584 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	585 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	586 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	587 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	588 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	589 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	590 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	591 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	592 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	593 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	594 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	595 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	596 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	597 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	598 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	599 <td>$0</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	600 <td>$F</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	601 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	602 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	603 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	604 <h4 id="neg">neg rA, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	605 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	606 Calculates the 2s complement of rA and stores it in rD. This can be used in combination with add to implement subtraction.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	607 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	608 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	609 <strong>Flags:</strong> C = carry out of bit 15, N = result is negative, Z = result is zero
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	610 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	611 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	612 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	613 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	614 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	615 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	616 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	617 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	618 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	619 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	620 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	621 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	622 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	623 <td>$1</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	624 <td>$F</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	625 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	626 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	627 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	628 <h4 id="not">not rA, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	629 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	630 Calculates the 1s complement of rA and stores it in rD.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	631 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	632 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	633 <strong>Flags:</strong> C = unmodified, N = result is negative, Z = result is zero
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	634 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	635 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	636 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	637 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	638 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	639 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	640 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	641 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	642 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	643 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	644 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	645 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	646 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	647 <td>$2</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	648 <td>$F</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	649 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	650 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	651 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	652 <h4 id="cmp">cmp rA, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	653 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	654 Subtracts rA from rD and discards the result, but still updates flags.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	655 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	656 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	657 <strong>Flags:</strong> C = carry out of bit 15, N = result is negative, Z = result is zero
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	658 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	659 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	660 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	661 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	662 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	663 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	664 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	665 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	666 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	667 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	668 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	669 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	670 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	671 <td>$3</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	672 <td>$F</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	673 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	674 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	675 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	676 <h4 id="call">call rA, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	677 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	678 Stores the address of the next instruction in rD and sets PC to the value in rA. Used for calling subroutines.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	679 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	680 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	681 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	682 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	683 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	684 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	685 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	686 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	687 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	688 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	689 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	690 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	691 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	692 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	693 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	694 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	695 <td>$4</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	696 <td>$F</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	697 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	698 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	699 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	700 <h4 id="swap">swap rA, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	701 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	702 Swaps the values in rA and rD.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	703 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	704 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	705 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	706 </p>
42 a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	707 <p>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	708 <strong>Encoding:</strong>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	709 <table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	710 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	711 <th>15-12</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	712 <th>11-8</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	713 <th>7-4</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	714 <th>3-0</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	715 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	716 <tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	717 <td>Destination register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	718 <td>Source A register</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	719 <td>$5</td>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	720 <td>$F</th>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	721 </tr>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	722 </table>
a64e11e48a41 Added encoding for a bunch of instructions Michael Pavone <pavone@retrodev.com> parents: 40 diff changeset	723 </p>
45 5338b9affd09 Updated HTML documentation to reflect CPU changes Michael Pavone <pavone@retrodev.com> parents: 42 diff changeset	724 <h4 id="longjmp">longjmp rA, rD</h4>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	725 <p>
45 5338b9affd09 Updated HTML documentation to reflect CPU changes Michael Pavone <pavone@retrodev.com> parents: 42 diff changeset	726 Sets PC to rA and PCH to the low 7-bits of rD
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	727 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	728 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	729 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	730 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	731 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	732 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	733 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	734 <h4 id="ini">ini IM, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	735 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	736 Reads a word from the IO port indicated by IM and stores it in rD. IM can range from 0 to 15.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	737 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	738 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	739 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	740 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	741 <h4 id="outi">outi</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	742 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	743 Writes the word stored in rD to the IO port indicated by IM. IM can range from 0 to 15.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	744 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	745 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	746 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	747 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	748 <h4 id="addi">addi IM, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	749 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	750 Adds IM to the value in rD and stores the result in rD. IM range from -8 to -1 or 1 to 8. A value of 0 is used to indicate 8.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	751 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	752 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	753 <strong>Flags:</strong> C = carry out of bit 15, N = result is negative, Z = result is zero
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	754 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	755 <h4 id="andi">andi IM, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	756 <p>
45 5338b9affd09 Updated HTML documentation to reflect CPU changes Michael Pavone <pavone@retrodev.com> parents: 42 diff changeset	757 Performs a bitwise and of IM and the value in rD and stores the result in rD. IM can range from -8 to -1 or 1 to 8. A value of 0 is used to indicate 8.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	758 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	759 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	760 <strong>Flags:</strong> C = unmodified, N = result is negative, Z = result is zero
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	761 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	762 <h4 id="ori">ori IM, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	763 <p>
45 5338b9affd09 Updated HTML documentation to reflect CPU changes Michael Pavone <pavone@retrodev.com> parents: 42 diff changeset	764 Performs a bitwise or of IM and the value in rD and stores the result in rD. IM can range from -8 to -1 or 1 to 8. A value of 0 is used to indicate 8.
5338b9affd09 Updated HTML documentation to reflect CPU changes Michael Pavone <pavone@retrodev.com> parents: 42 diff changeset	765 </p>
5338b9affd09 Updated HTML documentation to reflect CPU changes Michael Pavone <pavone@retrodev.com> parents: 42 diff changeset	766 <h4 id="ori">xori IM, rD</h4>
5338b9affd09 Updated HTML documentation to reflect CPU changes Michael Pavone <pavone@retrodev.com> parents: 42 diff changeset	767 <p>
5338b9affd09 Updated HTML documentation to reflect CPU changes Michael Pavone <pavone@retrodev.com> parents: 42 diff changeset	768 Performs a bitwise exclusive or of IM and the value in rD and stores the result in rD. IM can range from -8 to -1 or 1 to 8. A value of 0 is used to indicate 8.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	769 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	770 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	771 <strong>Flags:</strong> C = unmodified, N = result is negative, Z = result is zero
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	772 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	773 <h4 id="lsli">lsli IM, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	774 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	775 Shifts the value in rD IM bits to the left. IM can range from 1 to 8.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	776 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	777 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	778 <strong>Flags:</strong> C = last bit shifted out of rA, N = result is negative, Z = result is zero
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	779 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	780 <h4 id="lsri">lsri IM, rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	781 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	782 Shifts the value in rD IM bits to the right. IM can range from 1 to 8.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	783 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	784 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	785 <strong>Flags:</strong> C = last bit shifted out of rA, N = result is negative, Z = result is zero
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	786 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	787 <h4 id="cmpi">cmpi IM, rd</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	788 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	789 Subtracts IM from rD and discards the result, but updates flags. IM can range from -8 to 7.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	790 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	791 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	792 <strong>Flags:</strong> C = carry out of bit 15, N = result is negative, Z = result is zero
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	793 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	794 <h4 id="reti">reti rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	795 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	796 Sets rD to the value storeed in EUR, SR to the value stored in ESR and PC to the value stored in EPC. This instruction is used for returning from an
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	797 exception or interrupt.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	798 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	799 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	800 <strong>Flags:</strong> Updated corresponding to the value in ESR.
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	801 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	802 <h4 id="trapi">trapi IM</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	803 <p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	804 Causes an exception to be taken to the vector indicated by IM
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	805 </p>
49 5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	806 <h4 id="push">push rD</h4>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	807 <p>
49 5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	808 Pushes the value in register rD onto the stack.
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	809 </p>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	810 <p>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	811 <strong>Flags:</strong> Condition code flags unchanged.
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	812 </p>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	813 <hr id="pop">pop rD</h4>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	814 <p>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	815 Pops a value of the stack and stores it in rD
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	816 </p>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	817 <p>
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	818 <strong>Flags:</strong> Condition code flags unchanged.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	819 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	820 <h4 id="getepc">getepc rD</h4>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	821 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	822 Stores the value of EPC in rD.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	823 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	824 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	825 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	826 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	827 <h4 id="setepc">setepc rD</h4>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	828 <p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	829 Stores the vaule of rD in EPC.
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	830 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	831 <p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	832 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	833 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	834 <h4 id="getesr">getesr rD</h4>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	835 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	836 Stores the value of ESR in rD.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	837 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	838 <p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	839 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	840 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	841 <h4 id="setesr">setesr rD</h4>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	842 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	843 Stores the value of rD in ESR.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	844 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	845 <p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	846 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	847 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	848 <h4 id="geteur">geteur rD</h4>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	849 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	850 Stores the value of EUR in rD.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	851 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	852 <p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	853 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	854 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	855 <h4 id="seteur">seteur rD</h4>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	856 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	857 Stores the value of rd in EUR.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	858 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	859 <p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	860 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	861 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	862 <h4 id="getenum">getenum rD</h4>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	863 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	864 Stores the value of ENUM in rD.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	865 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	866 <p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	867 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	868 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	869 <h4 id="setenum">setenum rD</h4>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	870 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	871 Stores the value of rd in ENUM.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	872 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	873 <p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	874 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	875 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	876 <h4 id="getvbr">getvbr rD</h4>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	877 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	878 Stores the value of VBR in rD.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	879 </p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	880 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	881 <strong>Flags:</strong> No change
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	882 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	883 <h4 id="setvbr">setvbr rD</h4>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	884 <p>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	885 Stores the valueof rD in VBR.
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	886 </p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	887 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	888 <strong>Flags:</strong> No change
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	889 </p>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	890 <h2 id="video">Video</h2>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	891 <h3 id="vidover">Overview</h3>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	892 <p>
49 5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	893 Simple 16 features a simple linear framebuffer using indexed color. There is 128KB of VRAM arranged as two 64KB framebuffers. At any given time one buffer is used for
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	894 display and the other is accessible to the CPU. Both 4bpp and 8bpp depths are available. The resolution of the display is fixed at 320x240, but up to 31 lines can be
5f30c4d18d79 Updated the HTML documentation a bit Michael Pavone <pavone@retrodev.com> parents: 45 diff changeset	895 blanked at the top and bottom of the display to save on VRAM usage or to implement a letterbox effect.
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	896 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	897 <h2 id="audio">Audio</h2>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	898 <h3 id="audover">Overview</h3>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	899 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	900 Simple 16 has four square-wave tone generators with a 16-bit period and an 8-bit volume. The special value of 0 for the period causes the volume to be output constantly
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	901 allowing the volume register to be used as a simple 8-bit DAC.
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	902 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	903 <h2 id="timer">Timer</h2>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	904 <h3 id="timeover">Overview</h3>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	905 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	906 Simple 16 has a single timer with a 16-bit period. Interrupt 0 is triggered on timer expiration.
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	907 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	908 <h2 id="controllers">Controllers</h2>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	909 <h3 id="contover">Overview</h3>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	910 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	911 Simple 16 supports 2 controllers, each with a D-pad and 8 buttons configured in either an SNES (4 action buttons on the face + 2 shoulder buttons + Start and Select)
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	912 or Genesis 6-button controller (6 action buttons on the face + Start and Mode) arrangement. In this document, the buttons are given using the Genesis naming scheme.
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	913 For a controller following the SNES layout, the right trigger is 'C', the left trigger is 'Z' and 'Select' is 'Mode'.
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	914 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	915 <h2 id="serial">Serial Port</h2>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	916 <h3>Overview</h3>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	917 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	918 This port can be thought of a simple UART for debugging purposes. In an emulator, a write should result in a byte being written to stdout and a read should return
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	919 a byte read from stdin. This peripheral can be omitted in which case writes should be ignored and reads should return $FFFF. The primary purpose of this port is
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	920 to enable easy debugging of the CPU core before other, more complicated, peripherals are working.
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	921 <h2 id="cart">Cartridge</h2>
40 413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	922 <h3>Overview</h3>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	923 <p>
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	924 Simple 16 allows for 48KB of flat mapped cartridge ROM. Future revisions may allow banking.
413e7b9c0db1 Added flag change documentation for all instructions. Added hyperlinks to individual instructions. Added overviews for all the peripherals Michael Pavone <pavone@retrodev.com> parents: 39 diff changeset	925 </p>
39 52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	926 </body>
52d601e13ea4 WIP documentation Michael Pavone <pavone@retrodev.com> parents: diff changeset	927 </html>

Mercurial > repos > simple16

annotate simple16.html @ 49:5f30c4d18d79