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Riwoldt
2026-04-09 14:14:56 +02:00
parent 64816c45cc
commit 15cfaf332d
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web-ide-main/projects/src/project_08/21_nested_call.ts
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export const sys = `// Sys.vm. Tested by the NestedCall test script.
// Consists of three functions: Sys.init, Sys.main, and Sys.add12.
// Calls Sys.main() and stores a return value in temp 1.
// Does not return (enters infinite loop).
// The VM implementation starts running the Sys.init function, by default.
function Sys.init 0
push constant 4000 // tests that THIS and THAT are handled correctly
pop pointer 0
push constant 5000
pop pointer 1
call Sys.main 0
pop temp 1
label LOOP
goto LOOP
// Sets locals 1, 2 and 3 to some values. Leaves locals 0 and 4 unchanged,
// to test that the 'function' VM command initializes them to 0 (the test
// script sets them to -1 before this code starts running).
// Calls Sys.add12(123) and stores the return value (should be 135) in temp 0.
// Returns local 0 + local 1 + local 2 + local 3 + local 4 (should be 456), to
// confirm that locals were not mangled by the function call.
function Sys.main 5
push constant 4001
pop pointer 0
push constant 5001
pop pointer 1
push constant 200
pop local 1
push constant 40
pop local 2
push constant 6
pop local 3
push constant 123
call Sys.add12 1
pop temp 0
push local 0
push local 1
push local 2
push local 3
push local 4
add
add
add
add
return
// Returns (argument 0) + 12.
function Sys.add12 0
push constant 4002
pop pointer 0
push constant 5002
pop pointer 1
push argument 0
push constant 12
add
return
`;
export const vm_tst = `// Tests and illustrates how the VM implementation handles function-call-and-return,
// by executing the functions in Sys.vm in the VM emulator.
// In particular, loads and runs the functions in Sys.vm.
load Sys.vm,
compare-to NestedCall.cmp,
output-list RAM[0]%D1.6.1 RAM[1]%D1.6.1 RAM[2]%D1.6.1 RAM[3]%D1.6.1 RAM[4]%D1.6.1 RAM[5]%D1.6.1 RAM[6]%D1.6.1;
set RAM[0] 261,
set RAM[1] 261,
set RAM[2] 256,
set RAM[3] -3,
set RAM[4] -4,
set RAM[5] -1, // test results
set RAM[6] -1,
set RAM[256] 1234, // fake stack frame from call Sys.init
set RAM[257] -1,
set RAM[258] -2,
set RAM[259] -3,
set RAM[260] -4,
set RAM[261] -1, // Initialize stack to check for local segment
set RAM[262] -1, // being cleared to zero.
set RAM[263] -1,
set RAM[264] -1,
set RAM[265] -1,
set RAM[266] -1,
set RAM[267] -1,
set RAM[268] -1,
set RAM[269] -1,
set RAM[270] -1,
set RAM[271] -1,
set RAM[272] -1,
set RAM[273] -1,
set RAM[274] -1,
set RAM[275] -1,
set RAM[276] -1,
set RAM[277] -1,
set RAM[278] -1,
set RAM[279] -1,
set RAM[280] -1,
set RAM[281] -1,
set RAM[282] -1,
set RAM[283] -1,
set RAM[284] -1,
set RAM[285] -1,
set RAM[286] -1,
set RAM[287] -1,
set RAM[288] -1,
set RAM[289] -1,
set RAM[290] -1,
set RAM[291] -1,
set RAM[292] -1,
set RAM[293] -1,
set RAM[294] -1,
set RAM[295] -1,
set RAM[296] -1,
set RAM[297] -1,
set RAM[298] -1,
set RAM[299] -1,
set sp 261,
set local 261,
set argument 256,
set this 3000,
set that 4000;
repeat 50 {
vmstep;
}
output;
`;
export const hdl_tst = `// Tests how the VM implementation handles function-call-and-return,
// by executing the functions in Sys.vm.
// In particular, loads and runs NestedCall.asm, which results when
// the VM translator is applied to the NestedCall folder, which
// includes only one VM file: Sys.vm.
compare-to NestedCall.cmp,
set RAM[0] 261,
set RAM[1] 261,
set RAM[2] 256,
set RAM[3] -3,
set RAM[4] -4,
set RAM[5] -1, // test results
set RAM[6] -1,
set RAM[256] 1234, // fake stack frame from call Sys.init
set RAM[257] -1,
set RAM[258] -2,
set RAM[259] -3,
set RAM[260] -4,
set RAM[261] -1, // Initializes the stack, to check that the local segment
set RAM[262] -1, // is initialized to zeros by the 'function' VM command.
set RAM[263] -1,
set RAM[264] -1,
set RAM[265] -1,
set RAM[266] -1,
set RAM[267] -1,
set RAM[268] -1,
set RAM[269] -1,
set RAM[270] -1,
set RAM[271] -1,
set RAM[272] -1,
set RAM[273] -1,
set RAM[274] -1,
set RAM[275] -1,
set RAM[276] -1,
set RAM[277] -1,
set RAM[278] -1,
set RAM[279] -1,
set RAM[280] -1,
set RAM[281] -1,
set RAM[282] -1,
set RAM[283] -1,
set RAM[284] -1,
set RAM[285] -1,
set RAM[286] -1,
set RAM[287] -1,
set RAM[288] -1,
set RAM[289] -1,
set RAM[290] -1,
set RAM[291] -1,
set RAM[292] -1,
set RAM[293] -1,
set RAM[294] -1,
set RAM[295] -1,
set RAM[296] -1,
set RAM[297] -1,
set RAM[298] -1,
set RAM[299] -1,
repeat 4000 {
ticktock;
}
output-list RAM[0]%D1.6.1 RAM[1]%D1.6.1 RAM[2]%D1.6.1 RAM[3]%D1.6.1 RAM[4]%D1.6.1 RAM[5]%D1.6.1 RAM[6]%D1.6.1;
output;
`;
export const cmp = `| RAM[0] | RAM[1] | RAM[2] | RAM[3] | RAM[4] | RAM[5] | RAM[6] |
| 261 | 261 | 256 | 4000 | 5000 | 135 | 246 |
`;