Routines
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13225: THE 'TEST 5-SPACES' SUBROUTINE
Used by the routines at STK_ST_0, duplicate and stk_data.
This subroutine tests whether there is sufficient room in memory for another 5-byte floating-point number to be added to the calculator stack.
Output
BC 5
TEST_5_SP 13225 PUSH DE Save DE briefly.
13226 PUSH HL Save HL briefly.
13227 LD BC,5 Specify the test is for 5 bytes.
13230 CALL TEST_ROOM Make the test.
13233 POP HL Restore HL.
13234 POP DE Restore DE.
13235 RET Finished.
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