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Length: 14336 (0x3800)
Types: Ada Source
Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Registres, seg_025a22, seg_0268b8, seg_027519, seg_027e7b
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
└─⟦5a81ac88f⟧ »Space Info Vol 1«
└─⟦this⟧
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
└─⟦cfc2e13cd⟧ »Space Info Vol 2«
└─⟦this⟧
with Z80, Z80_Scr;
with Text_Io;
package body Registres is
use Z80_Defs;
-- VARIABLES -----------------------------------------------------------
Tab_Simple : array (Registre_Simple) of Octet.T_Octet;
Tab_Double : array (Registre_Double range Ix .. Pc) of Mot.T_Mot;
-- PROCEDURES ----------------------------------------------------------
function Lire_Simple (Le_Registre : Z80_Defs.Registre_Simple)
return Octet.T_Octet is
begin
return Tab_Simple (Le_Registre);
end Lire_Simple;
------------------------------------------------------------------------
procedure Reset is
begin
for I in Registre_Simple loop
Tab_Simple (I) := 0;
end loop;
for I in Tab_Double'First .. Tab_Double'Last loop
Tab_Double (I) := 0;
end loop;
end Reset;
------------------------------------------------------------------------
function Lire_Double
(Le_Registre : Z80_Defs.Registre_Double) return Mot.T_Mot is
Resultat : Mot.T_Mot := 0;
begin
case Le_Registre is
when Ix .. Pc =>
Resultat := Tab_Double (Le_Registre);
when Af_Prime =>
Resultat := Mot.Construire
(Tab_Simple (A_Prime), Tab_Simple (F_Prime));
when Bc_Prime =>
Resultat := Mot.Construire
(Tab_Simple (B_Prime), Tab_Simple (C_Prime));
when De_Prime =>
Resultat := Mot.Construire
(Tab_Simple (D_Prime), Tab_Simple (E_Prime));
when Hl_Prime =>
Resultat := Mot.Construire
(Tab_Simple (H_Prime), Tab_Simple (L_Prime));
when Af =>
Resultat := Mot.Construire (Tab_Simple (A), Tab_Simple (F));
when Bc =>
Resultat := Mot.Construire (Tab_Simple (B), Tab_Simple (C));
when De =>
Resultat := Mot.Construire (Tab_Simple (D), Tab_Simple (E));
when Hl =>
Resultat := Mot.Construire (Tab_Simple (H), Tab_Simple (L));
end case;
return Resultat;
end Lire_Double;
------------------------------------------------------------------------
procedure Ecrire_Simple (Le_Registre : Z80_Defs.Registre_Simple;
Un_Octet : Octet.T_Octet) is
begin
Tab_Simple (Le_Registre) := Un_Octet;
Z80_Scr.Afficher_Ecran_Reg (Le_Registre);
end Ecrire_Simple;
------------------------------------------------------------------------
procedure Ecrire_Double
(Le_Registre : Z80_Defs.Registre_Double; Un_Mot : Mot.T_Mot) is
begin
case Le_Registre is
when Ix .. Pc =>
Tab_Double (Le_Registre) := Un_Mot;
Z80_Scr.Afficher_Ecran_Reg (Le_Registre);
when Af_Prime =>
Tab_Simple (A_Prime) := Mot.Poids_Fort (Un_Mot);
Tab_Simple (F_Prime) := Mot.Poids_Faible (Un_Mot);
Z80_Scr.Afficher_Ecran_Reg (A_Prime);
Z80_Scr.Afficher_Ecran_Reg (F_Prime);
when Bc_Prime =>
Tab_Simple (B_Prime) := Mot.Poids_Fort (Un_Mot);
Tab_Simple (C_Prime) := Mot.Poids_Faible (Un_Mot);
Z80_Scr.Afficher_Ecran_Reg (B_Prime);
Z80_Scr.Afficher_Ecran_Reg (C_Prime);
when De_Prime =>
Tab_Simple (D_Prime) := Mot.Poids_Fort (Un_Mot);
Tab_Simple (E_Prime) := Mot.Poids_Faible (Un_Mot);
Z80_Scr.Afficher_Ecran_Reg (D_Prime);
Z80_Scr.Afficher_Ecran_Reg (E_Prime);
when Hl_Prime =>
Tab_Simple (H_Prime) := Mot.Poids_Fort (Un_Mot);
Tab_Simple (L_Prime) := Mot.Poids_Faible (Un_Mot);
Z80_Scr.Afficher_Ecran_Reg (H_Prime);
Z80_Scr.Afficher_Ecran_Reg (L_Prime);
when Af =>
Tab_Simple (A) := Mot.Poids_Fort (Un_Mot);
Tab_Simple (F) := Mot.Poids_Faible (Un_Mot);
Z80_Scr.Afficher_Ecran_Reg (A);
Z80_Scr.Afficher_Ecran_Reg (F);
when Bc =>
Tab_Simple (B) := Mot.Poids_Fort (Un_Mot);
Tab_Simple (C) := Mot.Poids_Faible (Un_Mot);
Z80_Scr.Afficher_Ecran_Reg (B);
Z80_Scr.Afficher_Ecran_Reg (C);
when De =>
Tab_Simple (D) := Mot.Poids_Fort (Un_Mot);
Tab_Simple (E) := Mot.Poids_Faible (Un_Mot);
Z80_Scr.Afficher_Ecran_Reg (D);
Z80_Scr.Afficher_Ecran_Reg (E);
when Hl =>
Tab_Simple (H) := Mot.Poids_Fort (Un_Mot);
Tab_Simple (L) := Mot.Poids_Faible (Un_Mot);
Z80_Scr.Afficher_Ecran_Reg (H);
Z80_Scr.Afficher_Ecran_Reg (L);
end case;
end Ecrire_Double;
------------------------------------------------------------------------
procedure Echange_Octet (Octet_1, Octet_2 : in out Octet.T_Octet) is
Un_Octet : Octet.T_Octet;
begin
Un_Octet := Octet_1;
Octet_1 := Octet_2;
Octet_2 := Un_Octet;
end Echange_Octet;
------------------------------------------------------------------------
procedure Echange_Af_Reg_Prime is
begin
Echange_Octet (Tab_Simple (A_Prime), Tab_Simple (A));
Echange_Octet (Tab_Simple (F_Prime), Tab_Simple (F));
Z80_Scr.Afficher_Ecran_Reg (A);
Z80_Scr.Afficher_Ecran_Reg (F);
Z80_Scr.Afficher_Ecran_Reg (A_Prime);
Z80_Scr.Afficher_Ecran_Reg (F_Prime);
end Echange_Af_Reg_Prime;
------------------------------------------------------------------------
procedure Echange_De_Hl is
begin
Echange_Octet (Tab_Simple (D), Tab_Simple (H));
Echange_Octet (Tab_Simple (E), Tab_Simple (L));
Z80_Scr.Afficher_Ecran_Reg (D);
Z80_Scr.Afficher_Ecran_Reg (E);
Z80_Scr.Afficher_Ecran_Reg (H);
Z80_Scr.Afficher_Ecran_Reg (L);
end Echange_De_Hl;
------------------------------------------------------------------------
procedure Echange_Bc_De_Hl_Reg_Prime is
Reg_Fort, Reg_Faible : Octet.T_Octet;
begin
Echange_Octet (Tab_Simple (B_Prime), Tab_Simple (B));
Echange_Octet (Tab_Simple (C_Prime), Tab_Simple (C));
Echange_Octet (Tab_Simple (D_Prime), Tab_Simple (D));
Echange_Octet (Tab_Simple (E_Prime), Tab_Simple (E));
Echange_Octet (Tab_Simple (H_Prime), Tab_Simple (H));
Echange_Octet (Tab_Simple (L_Prime), Tab_Simple (L));
Z80_Scr.Afficher_Ecran_Reg (B);
Z80_Scr.Afficher_Ecran_Reg (C);
Z80_Scr.Afficher_Ecran_Reg (D);
Z80_Scr.Afficher_Ecran_Reg (E);
Z80_Scr.Afficher_Ecran_Reg (H);
Z80_Scr.Afficher_Ecran_Reg (L);
Z80_Scr.Afficher_Ecran_Reg (B_Prime);
Z80_Scr.Afficher_Ecran_Reg (C_Prime);
Z80_Scr.Afficher_Ecran_Reg (D_Prime);
Z80_Scr.Afficher_Ecran_Reg (E_Prime);
Z80_Scr.Afficher_Ecran_Reg (H_Prime);
Z80_Scr.Afficher_Ecran_Reg (L_Prime);
end Echange_Bc_De_Hl_Reg_Prime;
end Registres;
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