Prev: 13893 Up: Map Next: 13940
13929: THE 'CODE' FUNCTION (offset 28)
The address of this routine is found in the table of addresses. It is called indirectly via fp_calc_2.
This subroutine handles the function CODE A$ and returns the Spectrum code of the first character in A$, or zero if A$ is null.
code 13929 CALL STK_FETCH The parameters of the string are fetched.
13932 LD A,B The length is tested and the A register holding zero is carried forward if A$ is a null string.
13933 OR C
13934 JR Z,STK_CODE
13936 LD A,(DE) The code of the first character is put into A otherwise.
STK_CODE 13937 JP STACK_A The subroutine exits via STACK_A which gives the correct 'last value'.
Prev: 13893 Up: Map Next: 13940