From 9542deeb483a00b6fabed7574720926ce97d7511 Mon Sep 17 00:00:00 2001 From: Frederick Yin Date: Tue, 16 Aug 2022 11:54:23 +0800 Subject: Projects, 01-06 completed --- projects/04/fill/Fill.asm | 60 ++++++++++++++++++++++++++++++++++++++ projects/04/fill/Fill.tst | 11 +++++++ projects/04/fill/FillAutomatic.cmp | 4 +++ projects/04/fill/FillAutomatic.out | 4 +++ projects/04/fill/FillAutomatic.tst | 37 +++++++++++++++++++++++ 5 files changed, 116 insertions(+) create mode 100644 projects/04/fill/Fill.asm create mode 100644 projects/04/fill/Fill.tst create mode 100644 projects/04/fill/FillAutomatic.cmp create mode 100644 projects/04/fill/FillAutomatic.out create mode 100644 projects/04/fill/FillAutomatic.tst (limited to 'projects/04/fill') diff --git a/projects/04/fill/Fill.asm b/projects/04/fill/Fill.asm new file mode 100644 index 0000000..1b69de1 --- /dev/null +++ b/projects/04/fill/Fill.asm @@ -0,0 +1,60 @@ +// This file is part of www.nand2tetris.org +// and the book "The Elements of Computing Systems" +// by Nisan and Schocken, MIT Press. +// File name: projects/04/Fill.asm + +// Runs an infinite loop that listens to the keyboard input. +// When a key is pressed (any key), the program blackens the screen, +// i.e. writes "black" in every pixel; +// the screen should remain fully black as long as the key is pressed. +// When no key is pressed, the program clears the screen, i.e. writes +// "white" in every pixel; +// the screen should remain fully clear as long as no key is pressed. + +// Put your code here. + +@8192 +D=A +@words +M=D // words = 8192 + +(KBD_LOOP) + @KBD + D=M + @FILL_WHITE + D;JEQ // if (KBD == 0) goto FILL_WHITE + @color + M=-1 // color = 0xffff (black) + @FILL + 0;JMP + +(FILL_WHITE) + @color + M=0 // color = 0x0000 (white) + @FILL + 0;JMP + +(FILL) + @i + M=0 // i = 0 + @SCREEN + D=A + @pos + M=D // pos = &SCREEN + (DRAW) + @color + D=M + @pos + A=M + M=D // *pos = color + @pos + M=M+1 // pos++ + @i + M=M+1 // i++ + D=M // D = i + @words + D=D-M // D = i - words + @KBD_LOOP + D;JEQ // if (i - words == 0) break + @DRAW + 0;JMP diff --git a/projects/04/fill/Fill.tst b/projects/04/fill/Fill.tst new file mode 100644 index 0000000..e8bb385 --- /dev/null +++ b/projects/04/fill/Fill.tst @@ -0,0 +1,11 @@ +// This file is part of www.nand2tetris.org +// and the book "The Elements of Computing Systems" +// by Nisan and Schocken, MIT Press. +// File name: projects/04/fill/Fill.tst + +load Fill.asm; +echo "Make sure that 'No Animation' is selected. Then, select the keyboard, press any key for some time, and inspect the screen."; + +repeat { + ticktock; +} diff --git a/projects/04/fill/FillAutomatic.cmp b/projects/04/fill/FillAutomatic.cmp new file mode 100644 index 0000000..a71db27 --- /dev/null +++ b/projects/04/fill/FillAutomatic.cmp @@ -0,0 +1,4 @@ +|RAM[16384]|RAM[17648]|RAM[18349]|RAM[19444]|RAM[20771]|RAM[21031]|RAM[22596]|RAM[23754]|RAM[24575]| +| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | +| -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | +| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | diff --git a/projects/04/fill/FillAutomatic.out b/projects/04/fill/FillAutomatic.out new file mode 100644 index 0000000..a71db27 --- /dev/null +++ b/projects/04/fill/FillAutomatic.out @@ -0,0 +1,4 @@ +|RAM[16384]|RAM[17648]|RAM[18349]|RAM[19444]|RAM[20771]|RAM[21031]|RAM[22596]|RAM[23754]|RAM[24575]| +| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | +| -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | +| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | diff --git a/projects/04/fill/FillAutomatic.tst b/projects/04/fill/FillAutomatic.tst new file mode 100644 index 0000000..fbc29a0 --- /dev/null +++ b/projects/04/fill/FillAutomatic.tst @@ -0,0 +1,37 @@ +// This file is part of www.nand2tetris.org +// and the book "The Elements of Computing Systems" +// by Nisan and Schocken, MIT Press. +// File name: projects/04/fill/FillAutomatic + +// This script can be used to test the Fill program automatically, +// rather than interactively. Specifically, the script sets the keyboard +// memory map (RAM[24576]) to 0, 1, and then again to 0. This simulates the +// acts of leaving the keyboard untouched, pressing some key, and then releasing +// the key. After each on of these simulated events, the script outputs the values +// of some selected registers from the screen memory map (RAM[16384]-RAM[24576]). +// This is done in order to test that these registers are set to 000...0 or 111....1, +// as mandated by how the Fill program should react to the keyboard events. + +load Fill.asm, +output-file FillAutomatic.out, +compare-to FillAutomatic.cmp, +output-list RAM[16384]%D2.6.2 RAM[17648]%D2.6.2 RAM[18349]%D2.6.2 RAM[19444]%D2.6.2 RAM[20771]%D2.6.2 RAM[21031]%D2.6.2 RAM[22596]%D2.6.2 RAM[23754]%D2.6.2 RAM[24575]%D2.6.2; + +set RAM[24576] 0, // the keyboard is untouched +repeat 1000000 { + ticktock; +} +output; // test that the screen is white + +set RAM[24576] 1, // a keyboard key is pressed +repeat 1000000 { + ticktock; +} +output; // test that the screen is black + +set RAM[24576] 0, // they keyboard in untouched +repeat 1000000 { + ticktock; +} +output; // test that the screen is white + -- cgit v1.2.3