From 907f10a4ac1a794bcb56413e33236a9eb4767092 Mon Sep 17 00:00:00 2001 From: David Stancu Date: Sun, 28 Jan 2018 19:57:31 -0500 Subject: [PATCH] show last key --- src/main.S | 392 ++--------------------------------------------------- 1 file changed, 15 insertions(+), 377 deletions(-) diff --git a/src/main.S b/src/main.S index 0f9b40c..3745e00 100644 --- a/src/main.S +++ b/src/main.S @@ -2,7 +2,7 @@ typ $B3 dsk main.l - ; ensure 16-bit mode (unnecessary?) +; ensure 16-bit mode (unnecessary?) clc xce rep #$20 @@ -11,7 +11,6 @@ plb ; half bank for accumulator, you don't want to toggle them on then back off, right? - sep #$30 ; toggle the softswitches; they don't take any values. some are only triggered @@ -25,13 +24,21 @@ ldal $00C056 ; select "low res" graphics rep #$30 ; go back to 16-bit mode - ldx #hithere+2 ; strl, first two bytes are strlen, # denotes immediate addr val - ldy #$0400 ; start of text buffer on 00 - ldal hithere - dec +; show the current char on screen +; first check and discard to clear strobe, then enter loop + ldal $00C010 +:eloop ldal $00C010 + stal $000400 + jmp :eloop - mvn $02, $00 - brk +; working text blit +* ldx #hithere+2 ; strl, first two bytes are strlen, # denotes immediate addr val +* ldy #$0400 ; start of text buffer on 00 +* ldal hithere +* dec + +* mvn $02, $00 +* brk ; Important locations SPEAKER equ $E0C030 @@ -55,372 +62,3 @@ hithere strl "this was excruciating" - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -