From 82d3ddfc5c0bf2ba77c04d65630841f373cce709 Mon Sep 17 00:00:00 2001 From: s-ol Date: Thu, 28 May 2020 17:34:15 +0200 Subject: Add ex.* --- ex.subv | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 ex.subv (limited to 'ex.subv') diff --git a/ex.subv b/ex.subv new file mode 100644 index 0000000..bf26df0 --- /dev/null +++ b/ex.subv @@ -0,0 +1,16 @@ +== code 0x80000000 +# repeatedly print "Hi\n" +main: + # load 0x10010000 (UART0) into t0 + 37/lui 5/rd/t0 0x10010/imm20 + # store 0x48 (H) in UART0+0 + 13/opi 0/subop/add 6/rd/t1 0/rs/x0 48/imm12 + 23/store 2/subop/word 5/rs/t0 6/rs/t1 0/off12 + # store 0x69 (i) in UART0+0 + 13/opi 0/subop/add 6/rd/t1 0/rs/x0 69/imm12 + 23/store 2/subop/word 5/rs/t0 6/rs/t1 0/off12 + # store 0x0a (\n) in UART0+0 + 13/opi 0/subop/add 6/rd/t1 0/rs/x0 0a/imm12 + 23/store 2/subop/word 5/rs/t0 6/rs/t1 0/off12 + # jump back up to the top + 6f/jal 0/rd/x0 main/off21 -- cgit v1.2.3