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Length: 1110 (0x456)
Types: TextFile
Notes: UNIX file
Names: »itod.s«
└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
└─⟦f4b8d8c84⟧ UNIX V7 Filesystem
└─ ⟦this⟧ »libc/crt/itod.s«
rdump: ret .globl diflt, duflt, dlflt, dvflt / floating point package for segmented z-8001 / timothy s. murphy 10/84 / IEEE format / double: 63 62 52 51 0 / sign bin exp +1022 fraction (missing hi bit) / float: 31 30 23 22 0 / sign bin exp +126 fraction (missing hi bit) / .globl SS / converts integer types to double in rq0 / / diflt(i) int i / duflt(i) unsigned int i / dlflt(l) long l / dvflt(v) unsigned long v diflt: ld r2, SS|4(r15) calr rdump test r2 jr pl, 0f neg r2 ld r1, $32768 jr un, 1f duflt: ld r2, SS|4(r15) calr rdump test r2 0: jr z, retz sub r1, r1 1: ld r0, $1022+16 sub r3, r3 jr un, 9f dlflt: calr rdump ldl rr2, SS|4(r15) testl r2 jr pl, 0f ld r0, $-1 com r2 neg r3 sbc r2, r0 ld r1, $32768 jr un, 1f dvflt: calr rdump ldl rr2, SS|4(r15) testl r2 0: jr z, retz sub r1, r1 1: ld r0, $1022+33 0: dec r0 9: slll rr2 jr nc, 0b calr rdump slll rr2 rlc r0 slll rr2 rlc r0 slll rr2 rlc r0 slll rr2 rlc r0 calr rdump or r0, r1 ld r1, r2 ld r2, r3 sub r3, r3 ret retz: subl rr0, rr0 subl rr2, rr2 ret