From ca8d68891cac1b8b69f2b421be8bb6e7c736df22 Mon Sep 17 00:00:00 2001
From: jespergravgaard <jesper@balmangravgaard.dk>
Date: Sun, 21 Jul 2019 21:08:49 +0200
Subject: [PATCH] Added some word fragments

---
 src/main/fragment/vwsz1=vwsz2_plus_vbuaa.asm               | 6 ++++++
 .../fragment/vwuz1=pwuc1_derefidx_vbuxx_minus_vwuz2.asm    | 7 +++++++
 .../fragment/vwuz1=pwuc1_derefidx_vbuyy_minus_vwuz2.asm    | 7 +++++++
 src/main/fragment/vwuz1=vwuc1_minus_vwuz2.asm              | 7 +++++++
 .../fragment/vwuz1_neq_pwuc1_derefidx_vbuxx_then_la1.asm   | 6 ++++++
 .../fragment/vwuz1_neq_pwuc1_derefidx_vbuyy_then_la1.asm   | 6 ++++++
 src/test/kc/sprite-font.kc                                 | 2 +-
 7 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 src/main/fragment/vwsz1=vwsz2_plus_vbuaa.asm
 create mode 100644 src/main/fragment/vwuz1=pwuc1_derefidx_vbuxx_minus_vwuz2.asm
 create mode 100644 src/main/fragment/vwuz1=pwuc1_derefidx_vbuyy_minus_vwuz2.asm
 create mode 100644 src/main/fragment/vwuz1=vwuc1_minus_vwuz2.asm
 create mode 100644 src/main/fragment/vwuz1_neq_pwuc1_derefidx_vbuxx_then_la1.asm
 create mode 100644 src/main/fragment/vwuz1_neq_pwuc1_derefidx_vbuyy_then_la1.asm

diff --git a/src/main/fragment/vwsz1=vwsz2_plus_vbuaa.asm b/src/main/fragment/vwsz1=vwsz2_plus_vbuaa.asm
new file mode 100644
index 000000000..1d50db067
--- /dev/null
+++ b/src/main/fragment/vwsz1=vwsz2_plus_vbuaa.asm
@@ -0,0 +1,6 @@
+clc
+adc {z1}
+sta {z1}
+lda {z1}+1
+adc #0
+sta {z1}+1
diff --git a/src/main/fragment/vwuz1=pwuc1_derefidx_vbuxx_minus_vwuz2.asm b/src/main/fragment/vwuz1=pwuc1_derefidx_vbuxx_minus_vwuz2.asm
new file mode 100644
index 000000000..b39fd3372
--- /dev/null
+++ b/src/main/fragment/vwuz1=pwuc1_derefidx_vbuxx_minus_vwuz2.asm
@@ -0,0 +1,7 @@
+sec
+lda {c1},x
+sbc {z2}
+sta {z1}
+lda {c1}+1,x
+sbc {z2}+1
+sta {z1}+1
\ No newline at end of file
diff --git a/src/main/fragment/vwuz1=pwuc1_derefidx_vbuyy_minus_vwuz2.asm b/src/main/fragment/vwuz1=pwuc1_derefidx_vbuyy_minus_vwuz2.asm
new file mode 100644
index 000000000..de481d30a
--- /dev/null
+++ b/src/main/fragment/vwuz1=pwuc1_derefidx_vbuyy_minus_vwuz2.asm
@@ -0,0 +1,7 @@
+sec
+lda {c1},y
+sbc {z2}
+sta {z1}
+lda {c1}+1,y
+sbc {z2}+1
+sta {z1}+1
\ No newline at end of file
diff --git a/src/main/fragment/vwuz1=vwuc1_minus_vwuz2.asm b/src/main/fragment/vwuz1=vwuc1_minus_vwuz2.asm
new file mode 100644
index 000000000..d629fb9a5
--- /dev/null
+++ b/src/main/fragment/vwuz1=vwuc1_minus_vwuz2.asm
@@ -0,0 +1,7 @@
+sec
+lda #<{c1}
+sbc {z2}
+sta {z1}
+lda #>{c1}
+sbc {z2}+1
+sta {z1}+1 
\ No newline at end of file
diff --git a/src/main/fragment/vwuz1_neq_pwuc1_derefidx_vbuxx_then_la1.asm b/src/main/fragment/vwuz1_neq_pwuc1_derefidx_vbuxx_then_la1.asm
new file mode 100644
index 000000000..95a2e2940
--- /dev/null
+++ b/src/main/fragment/vwuz1_neq_pwuc1_derefidx_vbuxx_then_la1.asm
@@ -0,0 +1,6 @@
+lda {z1}+1
+cmp {c1}+1,x
+bne {la1}
+lda {z1}
+cmp {c1},x
+bne {la1}
diff --git a/src/main/fragment/vwuz1_neq_pwuc1_derefidx_vbuyy_then_la1.asm b/src/main/fragment/vwuz1_neq_pwuc1_derefidx_vbuyy_then_la1.asm
new file mode 100644
index 000000000..75f64bd53
--- /dev/null
+++ b/src/main/fragment/vwuz1_neq_pwuc1_derefidx_vbuyy_then_la1.asm
@@ -0,0 +1,6 @@
+lda {z1}+1
+cmp {c1}+1,y
+bne {la1}
+lda {z1}
+cmp {c1},y
+bne {la1}
diff --git a/src/test/kc/sprite-font.kc b/src/test/kc/sprite-font.kc
index 43bf3fde3..fa51f2df6 100644
--- a/src/test/kc/sprite-font.kc
+++ b/src/test/kc/sprite-font.kc
@@ -59,7 +59,7 @@ lines: // Draw a number of lines th make up a letter
     jsr line
     jmp lines
 
-line: // Draw a single line
+line: // Draw a single line using uint[5.3] fixed point additions to xpos & ypos
     lda line_xpos
     lsr
     lsr