From 2997ffb95ad192bfd424f72440fc0acbf8c7a012 Mon Sep 17 00:00:00 2001
From: Geoffrey Frogeye <geoffrey@frogeye.fr>
Date: Fri, 19 May 2017 15:38:28 +0200
Subject: [PATCH] Peut affecter des valeurs à des tableaux (RAM)

---
 ram.txt          | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 scripts/gram.txt |  8 ++++++++
 2 files changed, 69 insertions(+), 0 deletions(-)
 create mode 100644 ram.txt

diff --git a/ram.txt b/ram.txt
new file mode 100644
index 0000000..adc9f13
--- /dev/null
+++ b/ram.txt
@@ -0,0 +1,61 @@
+.equ PINA = 0x00 ; définition des adresses des ports
+.equ DDRA = 0x01
+.equ PORTA = 0x02
+.equ PINC = 0x06
+.equ DDRC = 0x07
+.equ PORTC = 0x08
+
+.equ TEST = 0x0200
+
+.equ RAMEND = 0x21FF
+.equ SPH = 0x3E ; initialisation de la pile
+.equ SPL = 0x3D
+
+.org  0x000
+    ; Vecteur RESET
+    jmp debut
+
+
+.org 0x0080
+
+
+debut:
+    DDRA@IO <- 0xFF
+    DDRC@IO <- 0xFF
+    PORTC@IO <- 0x00
+    PORTA@IO <- 0x00
+    r11 <- 0x00
+    r10 <- 0x00
+
+boucle:
+
+    test[2] <- 0x22
+    PORTA@IO <- test[2]
+
+    jmp sl
+    ; test <- 0x22
+
+    LDI r16,0xAA
+
+    LDI r26,0x02
+    LDI r27,0x00
+
+    ST X,r16
+
+    LD r10,X
+
+    ;PORTA@IO <- test[1]
+
+sl:
+    sleep
+    saut sl
+
+tempo:
+    ldi r24,8
+tempoA:
+    subi r22,1
+    sbci r23,0
+    sbci r24,0
+    brcc tempoA
+    ret
+
diff --git a/scripts/gram.txt b/scripts/gram.txt
index a4d1674..b948f87 100644
--- a/scripts/gram.txt
+++ b/scripts/gram.txt
@@ -48,6 +48,14 @@ eti{NUM0}:
 [blanc]* [VariableIO]:var [blanc]* [SymboleAffectation] [blanc]* [Expression]:exp [blanc]* [fin]
 {exp}    OUT {var},R16
 
+[blanc]* [Tableau]:var [Expression]:ind [blanc]* "]" [blanc]* [SymboleAffectation] [blanc]* [Expression]:exp [blanc]* [fin]
+{ind}    LDI R26,low({var})
+    LDI R27,high({var})
+    CLR R17
+    ADD R26,R16
+    ADC R27,R17
+{exp}    ST X,R16
+
 [blanc]* [Variable]:var [blanc]* [SymboleAffectation] [blanc]* [Expression]:exp [blanc]*  [fin]
 {exp}    STS {var},R16
 
--
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