From bdcef683aeb765022ae044f0456a02a9dbf7961f Mon Sep 17 00:00:00 2001
From: minjaesong <alswo9628@gmail.com>
Date: Fri, 27 Nov 2020 16:55:36 +0900
Subject: [PATCH] basic:spc stmt and more sample codes

---
 assets/basic.js                                    | 10 +++++++++-
 assets/gugu.bas                                    |  6 ++++++
 assets/tri.bas                                     |  7 +++++++
 src/net/torvald/tsvm/peripheral/GraphicsAdapter.kt |  2 +-
 4 files changed, 23 insertions(+), 2 deletions(-)
 create mode 100644 assets/gugu.bas
 create mode 100644 assets/tri.bas

diff --git a/assets/basic.js b/assets/basic.js
index 0f19323..9058c06 100644
--- a/assets/basic.js
+++ b/assets/basic.js
@@ -699,7 +699,10 @@ if no arg text were given (e.g. "10 NEXT"), args will have zero length
 "END" : function(lnum, args) {
     serial.println("Program terminated in "+lnum);
     return Number.MAX_SAFE_INTEGER; // GOTO far-far-away
-}
+},
+"SPC" : function(lnum, args) {
+    return oneArgNum(lnum, args, function(lh) { return " ".repeat(lh); });
+},
 };
 Object.freeze(bStatus.builtin);
 let bF = {};
@@ -1676,6 +1679,7 @@ bF.system = function(args) { // SYSTEM function
     tbasexit = true;
 };
 bF.new = function(args) { // NEW function
+    bStatus.vars = initBvars();
     cmdbuf = [];
 };
 bF.renum = function(args) { // RENUM function
@@ -1744,7 +1748,11 @@ bF.load = function(args) { // LOAD function
     }
     let prg = fs.readAll();
 
+    // reset the environment
     cmdbuf = [];
+    bStatus.vars = initBvars();
+
+    // read the source
     prg.split('\n').forEach(function(line) {
         let i = line.indexOf(" ");
         let lnum = line.slice(0, i);
diff --git a/assets/gugu.bas b/assets/gugu.bas
new file mode 100644
index 0000000..0be10aa
--- /dev/null
+++ b/assets/gugu.bas
@@ -0,0 +1,6 @@
+10 FOR I = 2 TO 9
+20   FOR J = 1 TO 9
+30     PRINT I; "*"; J; "="; I * J
+40   NEXT
+50   INPUT "Press Enter Key..."; A
+60 NEXT
\ No newline at end of file
diff --git a/assets/tri.bas b/assets/tri.bas
new file mode 100644
index 0000000..542e65e
--- /dev/null
+++ b/assets/tri.bas
@@ -0,0 +1,7 @@
+10 FOR I = 1 TO 20
+20   PRINT SPC(20-I);
+30   FOR J = 1 TO I*2
+40     PRINT "*";
+50   NEXT
+60   PRINT ""
+70 NEXT
diff --git a/src/net/torvald/tsvm/peripheral/GraphicsAdapter.kt b/src/net/torvald/tsvm/peripheral/GraphicsAdapter.kt
index 6ffc3a0..e4126c2 100644
--- a/src/net/torvald/tsvm/peripheral/GraphicsAdapter.kt
+++ b/src/net/torvald/tsvm/peripheral/GraphicsAdapter.kt
@@ -1241,7 +1241,7 @@ void main() {
 
         val DEFAULT_CONFIG_COLOR_CRT = AdapterConfig(
             "crt_color",
-            560, 448, 80, 32, 254, 255, 256.kB(), "./cp437_fira_code.png", 0.32f, TEXT_TILING_SHADER_COLOUR
+            560, 448, 80, 32, 254, 255, 256.kB(), "./FontROM7x14.png", 0.32f, TEXT_TILING_SHADER_COLOUR
         )
         val DEFAULT_CONFIG_PMLCD = AdapterConfig(
             "pmlcd_inverted",