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z80.c
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z80.c
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/******************************************************************************/
/* Configuration pour l'archivage des différents éléments du fichier source */
/******************************************************************************/
// !CONFIG!=/L/* /R/* /W"* Nom : "
// Définition du système !CONFIG!=/V1!EMULATEUR CPC!
// Définition du sous système !CONFIG!=/V2!PC-CPC!
// Définition du sous ensemble !CONFIG!=/V3!Chips!
// Définition du module !CONFIG!=/V4!CPU Z80!
/******************************************************************************/
/********************************************************* !NAME! **************
* !./FLE!
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\Fichiers
********************************************************** !0! *****************
* ------------------------------------------------------------------------------
* SYSTEME | SOUS SYSTEME | SOUS ENSEMBLE
* ------------------------------------------------------------------------------
* EMULATEUR CPC | PC-CPC | Chips
* ------------------------------------------------------------------------------
* Fichier : Z80.C | Version : 0.1am
* ------------------------------------------------------------------------------
* Date : 05/11/2002 | Auteur : L.DEPLANQUE
* ------------------------------------------------------------------------------
* Description : Emulation des instructions du Z80
*
* ------------------------------------------------------------------------------
* Historique :
* Date | Auteur | Description
* ------------------------------------------------------------------------------
* 05/11/2002 | L.DEPLANQUE | creation
* ------------------------------------------------------------------------------
* 13/11/2002 | L.DEPLANQUE | Optimisation PEEK16() et
* | | POKE16(), ajout #defines
* | | USE_16_BIT, FAST_16_BIT.
* | | Optimisation LDIR et LDDR
* ------------------------------------------------------------------------------
* 14/11/2002 | L.DEPLANQUE | Optimisation CPIR et CPDR
* ------------------------------------------------------------------------------
* 20/02/2003 | L.DEPLANQUE | Version 0.1w :
* | | Optimisation PEEK et POKE
* | | Dépendant de VC++
* ------------------------------------------------------------------------------
* 21/01/2004 | L.DEPLANQUE | Version 0.1x :
* | | Gestion nouvelles
* | | routines disc
* ------------------------------------------------------------------------------
* 30/03/2004 | L.DEPLANQUE | Version 0.1z :
* | | Optimisations fonctions
* | | émulation Z80 : retour
* | | du nombre de cycles
* | | plutôt que incrément
* | | variable globale
* ------------------------------------------------------------------------------
* 21/04/2004 | L.DEPLANQUE | Version 0.1aa :
* | | Correction des temps de
* | | cycle des instructions
* | | après préfixe DD et FD
* | | (sur registres IX et IY)
* | | Suppression du #define
* | | USE_16_BIT, car toujours
* | | utilisé maintenant.
* ------------------------------------------------------------------------------
* 06/08/2004 | L.DEPLANQUE | Version 0.1ab :
* | | Ajout des instructions
* | | NEG aux OPCODES ED_4C,
* | | ED_54, ED_5C, ED_64,
* | | ED_6C, ED_74, ED_7C
* ------------------------------------------------------------------------------
* 11/12/2004 | L.DEPLANQUE | Version 0.1ae :
* | | Ajout des instructions
* | | ED_01 a ED_07 pour
* | | gestion rom extension
* | | compactage/décompactage
* ------------------------------------------------------------------------------
* 27/11/2005 | L.DEPLANQUE | Version 0.1ah :
* | | Ajout instruction ED_08
* | | (pour rompack)
* ------------------------------------------------------------------------------
* 18/12/2005 | L.DEPLANQUE | Version 0.1aj :
* | | Ajout instruction ED_09
* | | (pour rompack)
* ------------------------------------------------------------------------------
* 16/02/2006 | L.DEPLANQUE | Version 0.1ak :
* | | Ajout instruction ED_0A
* | | (pour rompack)
* ------------------------------------------------------------------------------
* 20/07/2006 | L.DEPLANQUE | Version 0.1al :
* | | Ajout instruction ED_0B
* | | a ED_16 (pour rompack),
* | | ajout instructions DD_FD
* | | et FD_DD
* ------------------------------------------------------------------------------
* 05/09/2006 | L.DEPLANQUE | Version 0.1am :
* | | Ajout instruction ED_17
* | | a ED_1A (pour rompack),
* | | Correction timings
* | | instructions.
* ------------------------------------------------------------------------------
********************************************************** !END! **************/
#include "z80.h"
#include <stdio.h>
#include "vga.h"
#include "crtc.h"
#include "gestport.h"
#include "config.h"
#include "plateform.h"
#include "rompack.h"
#define MASK_14BIT 0x3FFF
void VerifyIRQ(core_crocods_t *core);
extern pfct tabCB[ 256 ];
extern pfct tabED[ 256 ];
extern pfct tabIX[ 256 ];
extern pfct tabIY[ 256 ];
/********************************************************* !NAME! **************
* Nom : TabDAA
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Variables Globales
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Utilisé pour émuler l'instruction DAA
*
********************************************************** !0! ****************/
static USHORT TabDAA[ 2048 ] =
{
0x0044, 0x0100, 0x0200, 0x0304, 0x0400, 0x0504, 0x0604, 0x0700,
0x0808, 0x090C, 0x1010, 0x1114, 0x1214, 0x1310, 0x1414, 0x1510,
0x1000, 0x1104, 0x1204, 0x1300, 0x1404, 0x1500, 0x1600, 0x1704,
0x180C, 0x1908, 0x2030, 0x2134, 0x2234, 0x2330, 0x2434, 0x2530,
0x2020, 0x2124, 0x2224, 0x2320, 0x2424, 0x2520, 0x2620, 0x2724,
0x282C, 0x2928, 0x3034, 0x3130, 0x3230, 0x3334, 0x3430, 0x3534,
0x3024, 0x3120, 0x3220, 0x3324, 0x3420, 0x3524, 0x3624, 0x3720,
0x3828, 0x392C, 0x4010, 0x4114, 0x4214, 0x4310, 0x4414, 0x4510,
0x4000, 0x4104, 0x4204, 0x4300, 0x4404, 0x4500, 0x4600, 0x4704,
0x480C, 0x4908, 0x5014, 0x5110, 0x5210, 0x5314, 0x5410, 0x5514,
0x5004, 0x5100, 0x5200, 0x5304, 0x5400, 0x5504, 0x5604, 0x5700,
0x5808, 0x590C, 0x6034, 0x6130, 0x6230, 0x6334, 0x6430, 0x6534,
0x6024, 0x6120, 0x6220, 0x6324, 0x6420, 0x6524, 0x6624, 0x6720,
0x6828, 0x692C, 0x7030, 0x7134, 0x7234, 0x7330, 0x7434, 0x7530,
0x7020, 0x7124, 0x7224, 0x7320, 0x7424, 0x7520, 0x7620, 0x7724,
0x782C, 0x7928, 0x8090, 0x8194, 0x8294, 0x8390, 0x8494, 0x8590,
0x8080, 0x8184, 0x8284, 0x8380, 0x8484, 0x8580, 0x8680, 0x8784,
0x888C, 0x8988, 0x9094, 0x9190, 0x9290, 0x9394, 0x9490, 0x9594,
0x9084, 0x9180, 0x9280, 0x9384, 0x9480, 0x9584, 0x9684, 0x9780,
0x9888, 0x998C, 0x0055, 0x0111, 0x0211, 0x0315, 0x0411, 0x0515,
0x0045, 0x0101, 0x0201, 0x0305, 0x0401, 0x0505, 0x0605, 0x0701,
0x0809, 0x090D, 0x1011, 0x1115, 0x1215, 0x1311, 0x1415, 0x1511,
0x1001, 0x1105, 0x1205, 0x1301, 0x1405, 0x1501, 0x1601, 0x1705,
0x180D, 0x1909, 0x2031, 0x2135, 0x2235, 0x2331, 0x2435, 0x2531,
0x2021, 0x2125, 0x2225, 0x2321, 0x2425, 0x2521, 0x2621, 0x2725,
0x282D, 0x2929, 0x3035, 0x3131, 0x3231, 0x3335, 0x3431, 0x3535,
0x3025, 0x3121, 0x3221, 0x3325, 0x3421, 0x3525, 0x3625, 0x3721,
0x3829, 0x392D, 0x4011, 0x4115, 0x4215, 0x4311, 0x4415, 0x4511,
0x4001, 0x4105, 0x4205, 0x4301, 0x4405, 0x4501, 0x4601, 0x4705,
0x480D, 0x4909, 0x5015, 0x5111, 0x5211, 0x5315, 0x5411, 0x5515,
0x5005, 0x5101, 0x5201, 0x5305, 0x5401, 0x5505, 0x5605, 0x5701,
0x5809, 0x590D, 0x6035, 0x6131, 0x6231, 0x6335, 0x6431, 0x6535,
0x6025, 0x6121, 0x6221, 0x6325, 0x6421, 0x6525, 0x6625, 0x6721,
0x6829, 0x692D, 0x7031, 0x7135, 0x7235, 0x7331, 0x7435, 0x7531,
0x7021, 0x7125, 0x7225, 0x7321, 0x7425, 0x7521, 0x7621, 0x7725,
0x782D, 0x7929, 0x8091, 0x8195, 0x8295, 0x8391, 0x8495, 0x8591,
0x8081, 0x8185, 0x8285, 0x8381, 0x8485, 0x8581, 0x8681, 0x8785,
0x888D, 0x8989, 0x9095, 0x9191, 0x9291, 0x9395, 0x9491, 0x9595,
0x9085, 0x9181, 0x9281, 0x9385, 0x9481, 0x9585, 0x9685, 0x9781,
0x9889, 0x998D, 0xA0B5, 0xA1B1, 0xA2B1, 0xA3B5, 0xA4B1, 0xA5B5,
0xA0A5, 0xA1A1, 0xA2A1, 0xA3A5, 0xA4A1, 0xA5A5, 0xA6A5, 0xA7A1,
0xA8A9, 0xA9AD, 0xB0B1, 0xB1B5, 0xB2B5, 0xB3B1, 0xB4B5, 0xB5B1,
0xB0A1, 0xB1A5, 0xB2A5, 0xB3A1, 0xB4A5, 0xB5A1, 0xB6A1, 0xB7A5,
0xB8AD, 0xB9A9, 0xC095, 0xC191, 0xC291, 0xC395, 0xC491, 0xC595,
0xC085, 0xC181, 0xC281, 0xC385, 0xC481, 0xC585, 0xC685, 0xC781,
0xC889, 0xC98D, 0xD091, 0xD195, 0xD295, 0xD391, 0xD495, 0xD591,
0xD081, 0xD185, 0xD285, 0xD381, 0xD485, 0xD581, 0xD681, 0xD785,
0xD88D, 0xD989, 0xE0B1, 0xE1B5, 0xE2B5, 0xE3B1, 0xE4B5, 0xE5B1,
0xE0A1, 0xE1A5, 0xE2A5, 0xE3A1, 0xE4A5, 0xE5A1, 0xE6A1, 0xE7A5,
0xE8AD, 0xE9A9, 0xF0B5, 0xF1B1, 0xF2B1, 0xF3B5, 0xF4B1, 0xF5B5,
0xF0A5, 0xF1A1, 0xF2A1, 0xF3A5, 0xF4A1, 0xF5A5, 0xF6A5, 0xF7A1,
0xF8A9, 0xF9AD, 0x0055, 0x0111, 0x0211, 0x0315, 0x0411, 0x0515,
0x0045, 0x0101, 0x0201, 0x0305, 0x0401, 0x0505, 0x0605, 0x0701,
0x0809, 0x090D, 0x1011, 0x1115, 0x1215, 0x1311, 0x1415, 0x1511,
0x1001, 0x1105, 0x1205, 0x1301, 0x1405, 0x1501, 0x1601, 0x1705,
0x180D, 0x1909, 0x2031, 0x2135, 0x2235, 0x2331, 0x2435, 0x2531,
0x2021, 0x2125, 0x2225, 0x2321, 0x2425, 0x2521, 0x2621, 0x2725,
0x282D, 0x2929, 0x3035, 0x3131, 0x3231, 0x3335, 0x3431, 0x3535,
0x3025, 0x3121, 0x3221, 0x3325, 0x3421, 0x3525, 0x3625, 0x3721,
0x3829, 0x392D, 0x4011, 0x4115, 0x4215, 0x4311, 0x4415, 0x4511,
0x4001, 0x4105, 0x4205, 0x4301, 0x4405, 0x4501, 0x4601, 0x4705,
0x480D, 0x4909, 0x5015, 0x5111, 0x5211, 0x5315, 0x5411, 0x5515,
0x5005, 0x5101, 0x5201, 0x5305, 0x5401, 0x5505, 0x5605, 0x5701,
0x5809, 0x590D, 0x6035, 0x6131, 0x6231, 0x6335, 0x6431, 0x6535,
0x0046, 0x0102, 0x0202, 0x0306, 0x0402, 0x0506, 0x0606, 0x0702,
0x080A, 0x090E, 0x0402, 0x0506, 0x0606, 0x0702, 0x080A, 0x090E,
0x1002, 0x1106, 0x1206, 0x1302, 0x1406, 0x1502, 0x1602, 0x1706,
0x180E, 0x190A, 0x1406, 0x1502, 0x1602, 0x1706, 0x180E, 0x190A,
0x2022, 0x2126, 0x2226, 0x2322, 0x2426, 0x2522, 0x2622, 0x2726,
0x282E, 0x292A, 0x2426, 0x2522, 0x2622, 0x2726, 0x282E, 0x292A,
0x3026, 0x3122, 0x3222, 0x3326, 0x3422, 0x3526, 0x3626, 0x3722,
0x382A, 0x392E, 0x3422, 0x3526, 0x3626, 0x3722, 0x382A, 0x392E,
0x4002, 0x4106, 0x4206, 0x4302, 0x4406, 0x4502, 0x4602, 0x4706,
0x480E, 0x490A, 0x4406, 0x4502, 0x4602, 0x4706, 0x480E, 0x490A,
0x5006, 0x5102, 0x5202, 0x5306, 0x5402, 0x5506, 0x5606, 0x5702,
0x580A, 0x590E, 0x5402, 0x5506, 0x5606, 0x5702, 0x580A, 0x590E,
0x6026, 0x6122, 0x6222, 0x6326, 0x6422, 0x6526, 0x6626, 0x6722,
0x682A, 0x692E, 0x6422, 0x6526, 0x6626, 0x6722, 0x682A, 0x692E,
0x7022, 0x7126, 0x7226, 0x7322, 0x7426, 0x7522, 0x7622, 0x7726,
0x782E, 0x792A, 0x7426, 0x7522, 0x7622, 0x7726, 0x782E, 0x792A,
0x8082, 0x8186, 0x8286, 0x8382, 0x8486, 0x8582, 0x8682, 0x8786,
0x888E, 0x898A, 0x8486, 0x8582, 0x8682, 0x8786, 0x888E, 0x898A,
0x9086, 0x9182, 0x9282, 0x9386, 0x9482, 0x9586, 0x9686, 0x9782,
0x988A, 0x998E, 0x3423, 0x3527, 0x3627, 0x3723, 0x382B, 0x392F,
0x4003, 0x4107, 0x4207, 0x4303, 0x4407, 0x4503, 0x4603, 0x4707,
0x480F, 0x490B, 0x4407, 0x4503, 0x4603, 0x4707, 0x480F, 0x490B,
0x5007, 0x5103, 0x5203, 0x5307, 0x5403, 0x5507, 0x5607, 0x5703,
0x580B, 0x590F, 0x5403, 0x5507, 0x5607, 0x5703, 0x580B, 0x590F,
0x6027, 0x6123, 0x6223, 0x6327, 0x6423, 0x6527, 0x6627, 0x6723,
0x682B, 0x692F, 0x6423, 0x6527, 0x6627, 0x6723, 0x682B, 0x692F,
0x7023, 0x7127, 0x7227, 0x7323, 0x7427, 0x7523, 0x7623, 0x7727,
0x782F, 0x792B, 0x7427, 0x7523, 0x7623, 0x7727, 0x782F, 0x792B,
0x8083, 0x8187, 0x8287, 0x8383, 0x8487, 0x8583, 0x8683, 0x8787,
0x888F, 0x898B, 0x8487, 0x8583, 0x8683, 0x8787, 0x888F, 0x898B,
0x9087, 0x9183, 0x9283, 0x9387, 0x9483, 0x9587, 0x9687, 0x9783,
0x988B, 0x998F, 0x9483, 0x9587, 0x9687, 0x9783, 0x988B, 0x998F,
0xA0A7, 0xA1A3, 0xA2A3, 0xA3A7, 0xA4A3, 0xA5A7, 0xA6A7, 0xA7A3,
0xA8AB, 0xA9AF, 0xA4A3, 0xA5A7, 0xA6A7, 0xA7A3, 0xA8AB, 0xA9AF,
0xB0A3, 0xB1A7, 0xB2A7, 0xB3A3, 0xB4A7, 0xB5A3, 0xB6A3, 0xB7A7,
0xB8AF, 0xB9AB, 0xB4A7, 0xB5A3, 0xB6A3, 0xB7A7, 0xB8AF, 0xB9AB,
0xC087, 0xC183, 0xC283, 0xC387, 0xC483, 0xC587, 0xC687, 0xC783,
0xC88B, 0xC98F, 0xC483, 0xC587, 0xC687, 0xC783, 0xC88B, 0xC98F,
0xD083, 0xD187, 0xD287, 0xD383, 0xD487, 0xD583, 0xD683, 0xD787,
0xD88F, 0xD98B, 0xD487, 0xD583, 0xD683, 0xD787, 0xD88F, 0xD98B,
0xE0A3, 0xE1A7, 0xE2A7, 0xE3A3, 0xE4A7, 0xE5A3, 0xE6A3, 0xE7A7,
0xE8AF, 0xE9AB, 0xE4A7, 0xE5A3, 0xE6A3, 0xE7A7, 0xE8AF, 0xE9AB,
0xF0A7, 0xF1A3, 0xF2A3, 0xF3A7, 0xF4A3, 0xF5A7, 0xF6A7, 0xF7A3,
0xF8AB, 0xF9AF, 0xF4A3, 0xF5A7, 0xF6A7, 0xF7A3, 0xF8AB, 0xF9AF,
0x0047, 0x0103, 0x0203, 0x0307, 0x0403, 0x0507, 0x0607, 0x0703,
0x080B, 0x090F, 0x0403, 0x0507, 0x0607, 0x0703, 0x080B, 0x090F,
0x1003, 0x1107, 0x1207, 0x1303, 0x1407, 0x1503, 0x1603, 0x1707,
0x180F, 0x190B, 0x1407, 0x1503, 0x1603, 0x1707, 0x180F, 0x190B,
0x2023, 0x2127, 0x2227, 0x2323, 0x2427, 0x2523, 0x2623, 0x2727,
0x282F, 0x292B, 0x2427, 0x2523, 0x2623, 0x2727, 0x282F, 0x292B,
0x3027, 0x3123, 0x3223, 0x3327, 0x3423, 0x3527, 0x3627, 0x3723,
0x382B, 0x392F, 0x3423, 0x3527, 0x3627, 0x3723, 0x382B, 0x392F,
0x4003, 0x4107, 0x4207, 0x4303, 0x4407, 0x4503, 0x4603, 0x4707,
0x480F, 0x490B, 0x4407, 0x4503, 0x4603, 0x4707, 0x480F, 0x490B,
0x5007, 0x5103, 0x5203, 0x5307, 0x5403, 0x5507, 0x5607, 0x5703,
0x580B, 0x590F, 0x5403, 0x5507, 0x5607, 0x5703, 0x580B, 0x590F,
0x6027, 0x6123, 0x6223, 0x6327, 0x6423, 0x6527, 0x6627, 0x6723,
0x682B, 0x692F, 0x6423, 0x6527, 0x6627, 0x6723, 0x682B, 0x692F,
0x7023, 0x7127, 0x7227, 0x7323, 0x7427, 0x7523, 0x7623, 0x7727,
0x782F, 0x792B, 0x7427, 0x7523, 0x7623, 0x7727, 0x782F, 0x792B,
0x8083, 0x8187, 0x8287, 0x8383, 0x8487, 0x8583, 0x8683, 0x8787,
0x888F, 0x898B, 0x8487, 0x8583, 0x8683, 0x8787, 0x888F, 0x898B,
0x9087, 0x9183, 0x9283, 0x9387, 0x9483, 0x9587, 0x9687, 0x9783,
0x988B, 0x998F, 0x9483, 0x9587, 0x9687, 0x9783, 0x988B, 0x998F,
0x0604, 0x0700, 0x0808, 0x090C, 0x0A0C, 0x0B08, 0x0C0C, 0x0D08,
0x0E08, 0x0F0C, 0x1010, 0x1114, 0x1214, 0x1310, 0x1414, 0x1510,
0x1600, 0x1704, 0x180C, 0x1908, 0x1A08, 0x1B0C, 0x1C08, 0x1D0C,
0x1E0C, 0x1F08, 0x2030, 0x2134, 0x2234, 0x2330, 0x2434, 0x2530,
0x2620, 0x2724, 0x282C, 0x2928, 0x2A28, 0x2B2C, 0x2C28, 0x2D2C,
0x2E2C, 0x2F28, 0x3034, 0x3130, 0x3230, 0x3334, 0x3430, 0x3534,
0x3624, 0x3720, 0x3828, 0x392C, 0x3A2C, 0x3B28, 0x3C2C, 0x3D28,
0x3E28, 0x3F2C, 0x4010, 0x4114, 0x4214, 0x4310, 0x4414, 0x4510,
0x4600, 0x4704, 0x480C, 0x4908, 0x4A08, 0x4B0C, 0x4C08, 0x4D0C,
0x4E0C, 0x4F08, 0x5014, 0x5110, 0x5210, 0x5314, 0x5410, 0x5514,
0x5604, 0x5700, 0x5808, 0x590C, 0x5A0C, 0x5B08, 0x5C0C, 0x5D08,
0x5E08, 0x5F0C, 0x6034, 0x6130, 0x6230, 0x6334, 0x6430, 0x6534,
0x6624, 0x6720, 0x6828, 0x692C, 0x6A2C, 0x6B28, 0x6C2C, 0x6D28,
0x6E28, 0x6F2C, 0x7030, 0x7134, 0x7234, 0x7330, 0x7434, 0x7530,
0x7620, 0x7724, 0x782C, 0x7928, 0x7A28, 0x7B2C, 0x7C28, 0x7D2C,
0x7E2C, 0x7F28, 0x8090, 0x8194, 0x8294, 0x8390, 0x8494, 0x8590,
0x8680, 0x8784, 0x888C, 0x8988, 0x8A88, 0x8B8C, 0x8C88, 0x8D8C,
0x8E8C, 0x8F88, 0x9094, 0x9190, 0x9290, 0x9394, 0x9490, 0x9594,
0x9684, 0x9780, 0x9888, 0x998C, 0x9A8C, 0x9B88, 0x9C8C, 0x9D88,
0x9E88, 0x9F8C, 0x0055, 0x0111, 0x0211, 0x0315, 0x0411, 0x0515,
0x0605, 0x0701, 0x0809, 0x090D, 0x0A0D, 0x0B09, 0x0C0D, 0x0D09,
0x0E09, 0x0F0D, 0x1011, 0x1115, 0x1215, 0x1311, 0x1415, 0x1511,
0x1601, 0x1705, 0x180D, 0x1909, 0x1A09, 0x1B0D, 0x1C09, 0x1D0D,
0x1E0D, 0x1F09, 0x2031, 0x2135, 0x2235, 0x2331, 0x2435, 0x2531,
0x2621, 0x2725, 0x282D, 0x2929, 0x2A29, 0x2B2D, 0x2C29, 0x2D2D,
0x2E2D, 0x2F29, 0x3035, 0x3131, 0x3231, 0x3335, 0x3431, 0x3535,
0x3625, 0x3721, 0x3829, 0x392D, 0x3A2D, 0x3B29, 0x3C2D, 0x3D29,
0x3E29, 0x3F2D, 0x4011, 0x4115, 0x4215, 0x4311, 0x4415, 0x4511,
0x4601, 0x4705, 0x480D, 0x4909, 0x4A09, 0x4B0D, 0x4C09, 0x4D0D,
0x4E0D, 0x4F09, 0x5015, 0x5111, 0x5211, 0x5315, 0x5411, 0x5515,
0x5605, 0x5701, 0x5809, 0x590D, 0x5A0D, 0x5B09, 0x5C0D, 0x5D09,
0x5E09, 0x5F0D, 0x6035, 0x6131, 0x6231, 0x6335, 0x6431, 0x6535,
0x6625, 0x6721, 0x6829, 0x692D, 0x6A2D, 0x6B29, 0x6C2D, 0x6D29,
0x6E29, 0x6F2D, 0x7031, 0x7135, 0x7235, 0x7331, 0x7435, 0x7531,
0x7621, 0x7725, 0x782D, 0x7929, 0x7A29, 0x7B2D, 0x7C29, 0x7D2D,
0x7E2D, 0x7F29, 0x8091, 0x8195, 0x8295, 0x8391, 0x8495, 0x8591,
0x8681, 0x8785, 0x888D, 0x8989, 0x8A89, 0x8B8D, 0x8C89, 0x8D8D,
0x8E8D, 0x8F89, 0x9095, 0x9191, 0x9291, 0x9395, 0x9491, 0x9595,
0x9685, 0x9781, 0x9889, 0x998D, 0x9A8D, 0x9B89, 0x9C8D, 0x9D89,
0x9E89, 0x9F8D, 0xA0B5, 0xA1B1, 0xA2B1, 0xA3B5, 0xA4B1, 0xA5B5,
0xA6A5, 0xA7A1, 0xA8A9, 0xA9AD, 0xAAAD, 0xABA9, 0xACAD, 0xADA9,
0xAEA9, 0xAFAD, 0xB0B1, 0xB1B5, 0xB2B5, 0xB3B1, 0xB4B5, 0xB5B1,
0xB6A1, 0xB7A5, 0xB8AD, 0xB9A9, 0xBAA9, 0xBBAD, 0xBCA9, 0xBDAD,
0xBEAD, 0xBFA9, 0xC095, 0xC191, 0xC291, 0xC395, 0xC491, 0xC595,
0xC685, 0xC781, 0xC889, 0xC98D, 0xCA8D, 0xCB89, 0xCC8D, 0xCD89,
0xCE89, 0xCF8D, 0xD091, 0xD195, 0xD295, 0xD391, 0xD495, 0xD591,
0xD681, 0xD785, 0xD88D, 0xD989, 0xDA89, 0xDB8D, 0xDC89, 0xDD8D,
0xDE8D, 0xDF89, 0xE0B1, 0xE1B5, 0xE2B5, 0xE3B1, 0xE4B5, 0xE5B1,
0xE6A1, 0xE7A5, 0xE8AD, 0xE9A9, 0xEAA9, 0xEBAD, 0xECA9, 0xEDAD,
0xEEAD, 0xEFA9, 0xF0B5, 0xF1B1, 0xF2B1, 0xF3B5, 0xF4B1, 0xF5B5,
0xF6A5, 0xF7A1, 0xF8A9, 0xF9AD, 0xFAAD, 0xFBA9, 0xFCAD, 0xFDA9,
0xFEA9, 0xFFAD, 0x0055, 0x0111, 0x0211, 0x0315, 0x0411, 0x0515,
0x0605, 0x0701, 0x0809, 0x090D, 0x0A0D, 0x0B09, 0x0C0D, 0x0D09,
0x0E09, 0x0F0D, 0x1011, 0x1115, 0x1215, 0x1311, 0x1415, 0x1511,
0x1601, 0x1705, 0x180D, 0x1909, 0x1A09, 0x1B0D, 0x1C09, 0x1D0D,
0x1E0D, 0x1F09, 0x2031, 0x2135, 0x2235, 0x2331, 0x2435, 0x2531,
0x2621, 0x2725, 0x282D, 0x2929, 0x2A29, 0x2B2D, 0x2C29, 0x2D2D,
0x2E2D, 0x2F29, 0x3035, 0x3131, 0x3231, 0x3335, 0x3431, 0x3535,
0x3625, 0x3721, 0x3829, 0x392D, 0x3A2D, 0x3B29, 0x3C2D, 0x3D29,
0x3E29, 0x3F2D, 0x4011, 0x4115, 0x4215, 0x4311, 0x4415, 0x4511,
0x4601, 0x4705, 0x480D, 0x4909, 0x4A09, 0x4B0D, 0x4C09, 0x4D0D,
0x4E0D, 0x4F09, 0x5015, 0x5111, 0x5211, 0x5315, 0x5411, 0x5515,
0x5605, 0x5701, 0x5809, 0x590D, 0x5A0D, 0x5B09, 0x5C0D, 0x5D09,
0x5E09, 0x5F0D, 0x6035, 0x6131, 0x6231, 0x6335, 0x6431, 0x6535,
0xFABE, 0xFBBA, 0xFCBE, 0xFDBA, 0xFEBA, 0xFFBE, 0x0046, 0x0102,
0x0202, 0x0306, 0x0402, 0x0506, 0x0606, 0x0702, 0x080A, 0x090E,
0x0A1E, 0x0B1A, 0x0C1E, 0x0D1A, 0x0E1A, 0x0F1E, 0x1002, 0x1106,
0x1206, 0x1302, 0x1406, 0x1502, 0x1602, 0x1706, 0x180E, 0x190A,
0x1A1A, 0x1B1E, 0x1C1A, 0x1D1E, 0x1E1E, 0x1F1A, 0x2022, 0x2126,
0x2226, 0x2322, 0x2426, 0x2522, 0x2622, 0x2726, 0x282E, 0x292A,
0x2A3A, 0x2B3E, 0x2C3A, 0x2D3E, 0x2E3E, 0x2F3A, 0x3026, 0x3122,
0x3222, 0x3326, 0x3422, 0x3526, 0x3626, 0x3722, 0x382A, 0x392E,
0x3A3E, 0x3B3A, 0x3C3E, 0x3D3A, 0x3E3A, 0x3F3E, 0x4002, 0x4106,
0x4206, 0x4302, 0x4406, 0x4502, 0x4602, 0x4706, 0x480E, 0x490A,
0x4A1A, 0x4B1E, 0x4C1A, 0x4D1E, 0x4E1E, 0x4F1A, 0x5006, 0x5102,
0x5202, 0x5306, 0x5402, 0x5506, 0x5606, 0x5702, 0x580A, 0x590E,
0x5A1E, 0x5B1A, 0x5C1E, 0x5D1A, 0x5E1A, 0x5F1E, 0x6026, 0x6122,
0x6222, 0x6326, 0x6422, 0x6526, 0x6626, 0x6722, 0x682A, 0x692E,
0x6A3E, 0x6B3A, 0x6C3E, 0x6D3A, 0x6E3A, 0x6F3E, 0x7022, 0x7126,
0x7226, 0x7322, 0x7426, 0x7522, 0x7622, 0x7726, 0x782E, 0x792A,
0x7A3A, 0x7B3E, 0x7C3A, 0x7D3E, 0x7E3E, 0x7F3A, 0x8082, 0x8186,
0x8286, 0x8382, 0x8486, 0x8582, 0x8682, 0x8786, 0x888E, 0x898A,
0x8A9A, 0x8B9E, 0x8C9A, 0x8D9E, 0x8E9E, 0x8F9A, 0x9086, 0x9182,
0x9282, 0x9386, 0x3423, 0x3527, 0x3627, 0x3723, 0x382B, 0x392F,
0x3A3F, 0x3B3B, 0x3C3F, 0x3D3B, 0x3E3B, 0x3F3F, 0x4003, 0x4107,
0x4207, 0x4303, 0x4407, 0x4503, 0x4603, 0x4707, 0x480F, 0x490B,
0x4A1B, 0x4B1F, 0x4C1B, 0x4D1F, 0x4E1F, 0x4F1B, 0x5007, 0x5103,
0x5203, 0x5307, 0x5403, 0x5507, 0x5607, 0x5703, 0x580B, 0x590F,
0x5A1F, 0x5B1B, 0x5C1F, 0x5D1B, 0x5E1B, 0x5F1F, 0x6027, 0x6123,
0x6223, 0x6327, 0x6423, 0x6527, 0x6627, 0x6723, 0x682B, 0x692F,
0x6A3F, 0x6B3B, 0x6C3F, 0x6D3B, 0x6E3B, 0x6F3F, 0x7023, 0x7127,
0x7227, 0x7323, 0x7427, 0x7523, 0x7623, 0x7727, 0x782F, 0x792B,
0x7A3B, 0x7B3F, 0x7C3B, 0x7D3F, 0x7E3F, 0x7F3B, 0x8083, 0x8187,
0x8287, 0x8383, 0x8487, 0x8583, 0x8683, 0x8787, 0x888F, 0x898B,
0x8A9B, 0x8B9F, 0x8C9B, 0x8D9F, 0x8E9F, 0x8F9B, 0x9087, 0x9183,
0x9283, 0x9387, 0x9483, 0x9587, 0x9687, 0x9783, 0x988B, 0x998F,
0x9A9F, 0x9B9B, 0x9C9F, 0x9D9B, 0x9E9B, 0x9F9F, 0xA0A7, 0xA1A3,
0xA2A3, 0xA3A7, 0xA4A3, 0xA5A7, 0xA6A7, 0xA7A3, 0xA8AB, 0xA9AF,
0xAABF, 0xABBB, 0xACBF, 0xADBB, 0xAEBB, 0xAFBF, 0xB0A3, 0xB1A7,
0xB2A7, 0xB3A3, 0xB4A7, 0xB5A3, 0xB6A3, 0xB7A7, 0xB8AF, 0xB9AB,
0xBABB, 0xBBBF, 0xBCBB, 0xBDBF, 0xBEBF, 0xBFBB, 0xC087, 0xC183,
0xC283, 0xC387, 0xC483, 0xC587, 0xC687, 0xC783, 0xC88B, 0xC98F,
0xCA9F, 0xCB9B, 0xCC9F, 0xCD9B, 0xCE9B, 0xCF9F, 0xD083, 0xD187,
0xD287, 0xD383, 0xD487, 0xD583, 0xD683, 0xD787, 0xD88F, 0xD98B,
0xDA9B, 0xDB9F, 0xDC9B, 0xDD9F, 0xDE9F, 0xDF9B, 0xE0A3, 0xE1A7,
0xE2A7, 0xE3A3, 0xE4A7, 0xE5A3, 0xE6A3, 0xE7A7, 0xE8AF, 0xE9AB,
0xEABB, 0xEBBF, 0xECBB, 0xEDBF, 0xEEBF, 0xEFBB, 0xF0A7, 0xF1A3,
0xF2A3, 0xF3A7, 0xF4A3, 0xF5A7, 0xF6A7, 0xF7A3, 0xF8AB, 0xF9AF,
0xFABF, 0xFBBB, 0xFCBF, 0xFDBB, 0xFEBB, 0xFFBF, 0x0047, 0x0103,
0x0203, 0x0307, 0x0403, 0x0507, 0x0607, 0x0703, 0x080B, 0x090F,
0x0A1F, 0x0B1B, 0x0C1F, 0x0D1B, 0x0E1B, 0x0F1F, 0x1003, 0x1107,
0x1207, 0x1303, 0x1407, 0x1503, 0x1603, 0x1707, 0x180F, 0x190B,
0x1A1B, 0x1B1F, 0x1C1B, 0x1D1F, 0x1E1F, 0x1F1B, 0x2023, 0x2127,
0x2227, 0x2323, 0x2427, 0x2523, 0x2623, 0x2727, 0x282F, 0x292B,
0x2A3B, 0x2B3F, 0x2C3B, 0x2D3F, 0x2E3F, 0x2F3B, 0x3027, 0x3123,
0x3223, 0x3327, 0x3423, 0x3527, 0x3627, 0x3723, 0x382B, 0x392F,
0x3A3F, 0x3B3B, 0x3C3F, 0x3D3B, 0x3E3B, 0x3F3F, 0x4003, 0x4107,
0x4207, 0x4303, 0x4407, 0x4503, 0x4603, 0x4707, 0x480F, 0x490B,
0x4A1B, 0x4B1F, 0x4C1B, 0x4D1F, 0x4E1F, 0x4F1B, 0x5007, 0x5103,
0x5203, 0x5307, 0x5403, 0x5507, 0x5607, 0x5703, 0x580B, 0x590F,
0x5A1F, 0x5B1B, 0x5C1F, 0x5D1B, 0x5E1B, 0x5F1F, 0x6027, 0x6123,
0x6223, 0x6327, 0x6423, 0x6527, 0x6627, 0x6723, 0x682B, 0x692F,
0x6A3F, 0x6B3B, 0x6C3F, 0x6D3B, 0x6E3B, 0x6F3F, 0x7023, 0x7127,
0x7227, 0x7323, 0x7427, 0x7523, 0x7623, 0x7727, 0x782F, 0x792B,
0x7A3B, 0x7B3F, 0x7C3B, 0x7D3F, 0x7E3F, 0x7F3B, 0x8083, 0x8187,
0x8287, 0x8383, 0x8487, 0x8583, 0x8683, 0x8787, 0x888F, 0x898B,
0x8A9B, 0x8B9F, 0x8C9B, 0x8D9F, 0x8E9F, 0x8F9B, 0x9087, 0x9183,
0x9283, 0x9387, 0x9483, 0x9587, 0x9687, 0x9783, 0x988B, 0x998F
};
/********************************************************* !NAME! **************
* Nom : Parite
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Variables Globales
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Calcul du flag P, V, S, Z d'un registre 8 bits
*
********************************************************** !0! ****************/
static UBYTE Parite[ 256 ] =
{
0x44, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00,
0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,
0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,
0x04, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00,
0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,
0x04, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00,
0x04, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00,
0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,
0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,
0x04, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00,
0x04, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00,
0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,
0x04, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00,
0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,
0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04,
0x04, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00,
0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84,
0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80,
0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80,
0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84,
0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80,
0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84,
0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84,
0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80,
0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80,
0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84,
0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84,
0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80,
0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84,
0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80,
0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80,
0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84
};
/********************************************************* !NAME! **************
* Nom : CBIndex
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Variables Globales
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Indique si l'instruction CB est précédée d'une instruction DD
* ou d'une instruction FD
*
********************************************************** !0! ****************/
static int CBIndex = 0;
/********************************************************* !NAME! **************
* Nom : Peek8Ext
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Lecture d'un octet (8 bits) depuis la mémoire du CPC (utilisée
* depuis l'extérieur du module)
*
* Résultat : La valeur de l'octet a l'adresse désirée
*
* Variables globales modifiées : /
*
********************************************************** !0! ****************/
UBYTE Peek8Ext( core_crocods_t *core, USHORT adr )
{
UBYTE val = core->TabPEEK[ adr >> 14 ][ adr & MASK_14BIT ];
return( val );
}
/********************************************************* !NAME! **************
* Nom : Poke8Ext
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Ecriture d'un octet (8 bits) dans la mémoire du CPC (utilisée
* depuis l'extérieur du module)
*
* Résultat : /
*
* Variables globales modifiées : /
*
********************************************************** !0! ****************/
void Poke8Ext( core_crocods_t *core, USHORT adr, UBYTE val )
{
core->TabPOKE[ adr >> 14 ][ adr & MASK_14BIT ] = val;
}
/********************************************************* !NAME! **************
* Nom : PEEK8
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Lecture d'un octet (8 bits) depuis la mémoire du CPC
*
* Résultat : La valeur de l'octet a l'adresse désirée
*
* Variables globales modifiées : /
*
********************************************************** !0! ****************/
static u8 PEEK8( core_crocods_t *core, u16 adr )
{
// myprintf("R8: %d", adr);
return( core->TabPEEK[ adr >> 14 ][ adr & MASK_14BIT ] );
}
/********************************************************* !NAME! **************
* Nom : POKE8
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Ecriture d'un octet (8 bits) dans la mémoire du CPC
*
* Résultat : /
*
* Variables globales modifiées : /
*
********************************************************** !0! ****************/
static void POKE8( core_crocods_t *core, u16 adr, u8 val )
{
core->TabPOKE[ adr >> 14 ][ adr & MASK_14BIT ] = val;
}
//static void POKEPEEK8( core_crocods_t *core, u16 adr, u16 adr2)
//{
// core->TabPOKE[ adr >> 14 ][ adr & MASK_14BIT ] = core->TabPEEK[ adr2 >> 14 ][ adr2 & MASK_14BIT ];
//}
/********************************************************* !NAME! **************
* Nom : PEEK16
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Lecture d'un mot (16 bits) depuis la mémoire du CPC
*
* Résultat : La valeur du mot a l'adresse désirée
*
* Variables globales modifiées : /
*
********************************************************** !0! ****************/
static u16 PEEK16( core_crocods_t *core, u16 adr )
{
// myprintf("R16: %d", adr);
u16 p = adr & MASK_14BIT;
u16 q = adr >> 14;
return( ( USHORT )( core->TabPEEK[ q ][ p ] | ( core->TabPEEK[ q ][ p + 1 ] << 8 ) ) );
}
/********************************************************* !NAME! **************
* Nom : POKE16
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Ecriture d'un mot (16 bits) dans la mémoire du CPC
*
* Résultat : /
*
* Variables globales modifiées : /
*
********************************************************** !0! ****************/
static void POKE16( core_crocods_t *core, u16 adr, u16 val )
{
u16 p = adr & MASK_14BIT;
u16 q = adr >> 14;
core->TabPOKE[ q ][ p ] = ( UBYTE )val;
core->TabPOKE[ q ][ p + 1 ] = ( UBYTE )( val >> 8 );
}
/********************************************************* !NAME! **************
* Nom : ADD_R8
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Effectue une addition 8 Bits
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void ADD_R8( core_crocods_t *core, int v )
{
int t = RegA + v;
FLAGS = ( UBYTE )( ( ~( RegA ^ v ) & ( v ^ t ) & 0x80 ? FLAG_V : 0 )
| ( t >> 8 )
| ( t & FLAG_S )
| ( ( t & 0xFF ) ? 0 : FLAG_Z )
| ( ( RegA ^ v ^ t ) & FLAG_H )
);
RegA = ( UBYTE )t;
}
/********************************************************* !NAME! **************
* Nom : SUB_R8
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Effectue une soustration 8 bits
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void SUB_R8( core_crocods_t *core, int v )
{
int t = RegA - v;
FLAGS = ( UBYTE )( ( ( RegA ^ v ) & ( RegA ^ t ) & 0x80 ? FLAG_V : 0 )
| FLAG_N
| - ( t >> 8 )
| ( t & FLAG_S )
| ( ( t & 0xFF ) ? 0 : FLAG_Z )
| ( ( RegA ^ v ^ t ) & FLAG_H )
);
RegA = ( UBYTE )t;
}
/********************************************************* !NAME! **************
* Nom : ADC_R8
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Effectue une addition 8 bits avec carry
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void ADC_R8( core_crocods_t *core, int v )
{
int t = RegA + v + ( FLAGS & FLAG_C );
FLAGS = ( UBYTE )( ( ~( RegA ^ v ) & ( v ^ t ) & 0x80 ? FLAG_V : 0 )
| ( t >> 8 )
| ( t & FLAG_S )
| ( ( t & 0xFF ) ? 0 : FLAG_Z )
| ( ( RegA ^ v ^ t ) & FLAG_H )
);
RegA = ( UBYTE )t;
}
/********************************************************* !NAME! **************
* Nom : SBC_R8
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Effectue une soustraction 8 bits avec carry
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void SBC_R8( core_crocods_t *core, int v )
{
int t = RegA - v - ( FLAGS & FLAG_C );
FLAGS = ( UBYTE )( ( ( RegA ^ v ) & ( RegA ^ t ) & 0x80 ? FLAG_V : 0 )
| FLAG_N
| - ( t >> 8 )
| ( t & FLAG_S )
| ( ( t & 0xFF ) ? 0 : FLAG_Z )
| ( ( RegA ^ v ^ t ) & FLAG_H )
);
RegA = ( UBYTE )t;
}
/********************************************************* !NAME! **************
* Nom : CP_R8
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Effectue une comparaision 8 bits
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void CP_R8( core_crocods_t *core, int v )
{
int t = RegA - v;
FLAGS = ( UBYTE )( ( ( RegA ^ v ) & ( RegA ^ t ) & 0x80 ? FLAG_V : 0 )
| FLAG_N
| - ( t >> 8 )
| ( t & FLAG_S )
| ( ( t & 0xFF ) ? 0 : FLAG_Z )
| ( ( RegA ^ v ^ t ) & FLAG_H )
);
}
/********************************************************* !NAME! **************
* Nom : FLAG_INC
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Affecte les flags après une instruction d'incrémentation
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void FLAG_INC( core_crocods_t *core, int reg )
{
FLAGS = ( UBYTE )( ( FLAGS & FLAG_C )
| ( reg & FLAG_S )
| ( reg == 0x80 ? FLAG_V : 0 )
| ( ( reg & 0x0F ) == 0 ? FLAG_H : 0 )
| ( reg ? 0 : FLAG_Z )
);
}
/********************************************************* !NAME! **************
* Nom : FLAG_DEC
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Affecte les flags après une instruction de décrémentation
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void FLAG_DEC( core_crocods_t *core, int reg )
{
FLAGS = ( UBYTE )( FLAG_N
| ( FLAGS & FLAG_C )
| ( reg == 0x7F ? FLAG_V : 0 )
| ( ( reg & 0x0F ) == 0x0F ? FLAG_H : 0 )
| ( reg & FLAG_S )
| ( reg ? 0 : FLAG_Z )
);
}
/********************************************************* !NAME! **************
* Nom : ADD_R16
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Effectue une addition 16 bits
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void ADD_R16( core_crocods_t *core, USHORT * Reg, int v )
{
int tmp = * Reg;
* Reg = ( USHORT )( * Reg + v );
FLAGS = ( UBYTE )( FLAGS & ( FLAG_S | FLAG_Z | FLAG_V ) );
if ( tmp > * Reg )
FLAGS |= FLAG_C;
if ( ( tmp ^ v ^ * Reg ) & 0x1000 )
FLAGS |= FLAG_H;
}
/********************************************************* !NAME! **************
* Nom : ADC_R16
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Effectue une addition 16 bits avec carry
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void ADC_R16( core_crocods_t *core, int v )
{
int t = RegHL + v + ( FLAGS & FLAG_C );
FLAGS = ( UBYTE )( ( t & 0x10000 ? FLAG_C : 0 )
| ( ~ ( RegHL ^ v ) & ( v ^ t ) & 0x8000 ? FLAG_V : 0 )
| ( ( RegHL ^ v ^ t ) & 0x1000 ? FLAG_H : 0 )
| ( t & 0xFFFF ? 0 : FLAG_Z )
| ( ( t >> 8 ) & FLAG_S )
);
RegHL = ( USHORT )t;
}
/********************************************************* !NAME! **************
* Nom : SBC_R16
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Effectue une soustraction 16 bits avec carry
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void SBC_R16( core_crocods_t *core, int v )
{
int t = RegHL - v - ( FLAGS & FLAG_C );
FLAGS = ( UBYTE )( FLAG_N
| ( t & 0x10000 ? FLAG_C : 0 )
| ( ( RegHL ^ v ) & ( RegHL ^ t ) & 0x8000 ? FLAG_V : 0 )
| ( ( RegHL ^ v ^ t ) & 0x1000 ? FLAG_H : 0 )
| ( t & 0xFFFF ? 0 : FLAG_Z )
| ( ( t >> 8 ) & FLAG_S )
);
RegHL = ( USHORT )t;
}
/********************************************************* !NAME! **************
* Nom : Bit
********************************************************** !PATHS! *************
* !./V1!\!./V2!\!./V3!\!./V4!\Fonctions
********************************************************** !1! *****************
*
* Fichier : !./FPTH\/FLE!, ligne : !./LN!
*
* Description : Teste un bit d'un registre
*
* Résultat : /
*
* Variables globales modifiées : Z80
*
********************************************************** !0! ****************/
static void Bit( core_crocods_t *core, UBYTE r, UBYTE Bit )
{
FLAGS = ( UBYTE )( ( FLAGS & FLAG_C ) | FLAG_H | Parite[ r & Bit ] );
}
/************
* OPCODE CB *
************/
static int CB_00( core_crocods_t *core ) /* RLC B */
{
FLAGS = ( UBYTE )( RegB >> 7 );
RegB = ( UBYTE )( ( RegB << 1 ) | FLAGS );
FLAGS |= Parite[ RegB ];
if ( CBIndex )
POKE8( core, RegHL, RegB );
return( 2 /* 2 NOPs */ );
}
static int CB_01( core_crocods_t *core ) /* RLC C */
{
FLAGS = ( UBYTE )( RegC >> 7 );
RegC = ( UBYTE )( ( RegC << 1 ) | FLAGS );
FLAGS |= Parite[ RegC ];
if ( CBIndex )
POKE8( core, RegHL, RegC );
return( 2 /* 2 NOPs */ );
}
static int CB_02( core_crocods_t *core ) /* RLC D */
{
FLAGS = ( UBYTE )( RegD >> 7 );
RegD = ( UBYTE )( ( RegD << 1 ) | FLAGS );
FLAGS |= Parite[ RegD ];
if ( CBIndex )
POKE8( core, RegHL, RegD );
return( 2 /* 2 NOPs */ );
}
static int CB_03( core_crocods_t *core ) /* RLC E */
{
FLAGS = ( UBYTE )( RegE >> 7 );
RegE = ( UBYTE )( ( RegE << 1 ) | FLAGS );
FLAGS |= Parite[ RegE ];
if ( CBIndex )
POKE8( core, RegHL, RegE );
return( 2 /* 2 NOPs */ );
}
static int CB_04( core_crocods_t *core ) /* RLC H */
{
FLAGS = ( UBYTE )( RegH >> 7 );
RegH = ( UBYTE )( ( RegH << 1 ) | FLAGS );
FLAGS |= Parite[ RegH ];
if ( CBIndex )
POKE8( core, RegHL, RegH );
return( 2 /* 2 NOPs */ );
}
static int CB_05( core_crocods_t *core ) /* RLC L */
{
FLAGS = ( UBYTE )( RegL >> 7 );
RegL = ( UBYTE )( ( RegL << 1 ) | FLAGS );
FLAGS |= Parite[ RegL ];
if ( CBIndex )
POKE8( core, RegHL, RegL );
return( 2 /* 2 NOPs */ );
}
static int CB_06( core_crocods_t *core ) /* RLC (HL) */
{
int hl = PEEK8( core, RegHL );
FLAGS = ( UBYTE )( hl >> 7 );
POKE8( core, RegHL , ( UBYTE )( hl = ( ( hl << 1 ) | FLAGS ) ) );
FLAGS |= Parite[ hl ];
return( 4 /* 4 NOPs */ );
}
static int CB_07( core_crocods_t *core ) /* RLC A */
{
FLAGS = ( UBYTE )( RegA >> 7 );